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https://github.com/ksherlock/mpw-shell.git
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solaris...
This commit is contained in:
Kelvin Sherlock
parent
e2affa1bdd
commit
827f49c48b
169
builtins.cpp
169
builtins.cpp
@ -13,6 +13,7 @@
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#include <cstdio>
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#include <cctype>
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#include <cstring>
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#include <cstdarg>
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#include <unistd.h>
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@ -96,6 +97,7 @@ namespace {
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}
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#undef stdin
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#undef stdout
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#undef stderr
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@ -107,17 +109,39 @@ namespace {
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#undef fprintf
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#undef fputs
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#undef fputc
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#define fprintf DO_NOT_USE_FPRINTF
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#define fputs DO_NOT_USE_FPUTS
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#define fputc DO_NOT_USE_FPUTC
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#define fprintf(...) dprintf(__VA_ARGS__)
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inline int fputs(const char *data, int fd) {
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inline int fdputs(const char *data, int fd) {
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auto rv = write(fd, data, strlen(data)); return rv < 0 ? EOF : rv;
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}
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inline int fputc(int c, int fd) {
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inline int fdputc(int c, int fd) {
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unsigned char tmp = c;
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auto rv = write(fd, &tmp, 1); return rv < 0 ? EOF : c;
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}
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#ifdef HAVE_DPRINTF
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#define fdprintf(...) dprintf(__VA_ARGS__)
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#else
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inline int fdprintf(int fd, const char *format, ...) {
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char *cp = nullptr;
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va_list ap;
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va_start(ap, format);
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int len = vasprintf(&cp, format, ap);
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va_end(ap);
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fdputs(cp, fd);
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free(cp);
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return len;
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}
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#endif
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std::vector<std::string> load_argv(Environment &env) {
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std::vector<std::string> rv;
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int n = env.pound();
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@ -136,8 +160,8 @@ int builtin_shift(Environment &env, const std::vector<std::string> &tokens, cons
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int n = 1;
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if (tokens.size() > 3) {
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fputs("### Shift - Too many parameters were specified.\n", stderr);
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fputs("# Usage - Shift [number]\n", stderr);
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fdputs("### Shift - Too many parameters were specified.\n", stderr);
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fdputs("# Usage - Shift [number]\n", stderr);
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return 1;
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}
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@ -146,8 +170,8 @@ int builtin_shift(Environment &env, const std::vector<std::string> &tokens, cons
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value v(tokens[1]);
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if (v.is_number() && v.number >= 0) n = v.number;
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else {
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fputs("### Shift - The parameter must be a positive number.\n", stderr);
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fputs("# Usage - Shift [number]\n", stderr);
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fdputs("### Shift - The parameter must be a positive number.\n", stderr);
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fdputs("# Usage - Shift [number]\n", stderr);
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return 1;
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}
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}
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@ -198,7 +222,7 @@ int builtin_set(Environment &env, const std::vector<std::string> &tokens, const
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std::string name = quote(kv.first);
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std::string value = quote(kv.second);
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fprintf(stdout, "Set %s%s %s\n",
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fdprintf(stdout, "Set %s%s %s\n",
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bool(kv.second) ? "-e " : "",
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name.c_str(), value.c_str());
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}
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@ -209,13 +233,13 @@ int builtin_set(Environment &env, const std::vector<std::string> &tokens, const
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std::string name = tokens[1];
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auto iter = env.find(name);
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if (iter == env.end()) {
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fprintf(stderr, "### Set - No variable definition exists for %s.\n", name.c_str());
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fdprintf(stderr, "### Set - No variable definition exists for %s.\n", name.c_str());
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return 2;
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}
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name = quote(name);
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std::string value = quote(iter->second);
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fprintf(stdout, "Set %s%s %s\n",
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fdprintf(stdout, "Set %s%s %s\n",
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bool(iter->second) ? "-e " : "",
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name.c_str(), value.c_str());
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return 0;
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@ -229,8 +253,8 @@ int builtin_set(Environment &env, const std::vector<std::string> &tokens, const
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}
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if (tokens.size() > 3 && !exported) {
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fputs("### Set - Too many parameters were specified.\n", stderr);
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fputs("# Usage - set [name [value]]\n", stderr);
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fdputs("### Set - Too many parameters were specified.\n", stderr);
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fdputs("# Usage - set [name [value]]\n", stderr);
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return 1;
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}
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@ -264,14 +288,14 @@ static int export_common(Environment &env, bool export_or_unexport, const std::v
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flags._s = true;
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break;
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default:
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fprintf(stderr, "### %s - \"-%c\" is not an option.\n", name, c);
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fdprintf(stderr, "### %s - \"-%c\" is not an option.\n", name, c);
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error = true;
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break;
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}
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});
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if (error) {
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fprintf(stderr, "# Usage - %s [-r | -s | name...]\n", name);
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fdprintf(stderr, "# Usage - %s [-r | -s | name...]\n", name);
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return 1;
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}
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@ -288,7 +312,7 @@ static int export_common(Environment &env, bool export_or_unexport, const std::v
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for (const auto &kv : env) {
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const std::string& vname = kv.first;
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if (kv.second == export_or_unexport)
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fprintf(stdout, "%s%s\n", flags._s ? "" : name, quote(vname).c_str());
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fdprintf(stdout, "%s%s\n", flags._s ? "" : name, quote(vname).c_str());
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}
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return 0;
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}
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@ -305,8 +329,8 @@ static int export_common(Environment &env, bool export_or_unexport, const std::v
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}
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conflict:
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fprintf(stderr, "### %s - Conflicting options or parameters were specified.\n", name);
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fprintf(stderr, "# Usage - %s [-r | -s | name...]\n", name);
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fdprintf(stderr, "### %s - Conflicting options or parameters were specified.\n", name);
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fdprintf(stderr, "# Usage - %s [-r | -s | name...]\n", name);
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return 1;
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}
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@ -328,7 +352,7 @@ int builtin_alias(Environment &env, const std::vector<std::string> &tokens, cons
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if (tokens.size() == 1) {
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for (const auto &p : env.aliases()) {
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fprintf(stdout, "Alias %s %s\n", quote(p.first).c_str(), quote(p.second).c_str());
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fdprintf(stdout, "Alias %s %s\n", quote(p.first).c_str(), quote(p.second).c_str());
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}
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return 0;
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}
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@ -337,10 +361,10 @@ int builtin_alias(Environment &env, const std::vector<std::string> &tokens, cons
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if (tokens.size() == 2) {
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const auto as = env.find_alias(name);
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if (as.empty()) {
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fprintf(stderr, "### Alias - No alias exists for %s\n", quote(name).c_str());
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fdprintf(stderr, "### Alias - No alias exists for %s\n", quote(name).c_str());
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return 1;
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}
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fprintf(stdout, "Alias %s %s\n", quote(name).c_str(), quote(as).c_str());
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fdprintf(stdout, "Alias %s %s\n", quote(name).c_str(), quote(as).c_str());
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return 0;
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}
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@ -388,12 +412,12 @@ int builtin_echo(Environment &env, const std::vector<std::string> &tokens, const
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continue;
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}
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if (space) {
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fputs(" ", stdout);
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fdputs(" ", stdout);
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}
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fputs(s.c_str(), stdout);
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fdputs(s.c_str(), stdout);
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space = true;
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}
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if (!n) fputs("\n", stdout);
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if (!n) fdputs("\n", stdout);
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return 0;
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}
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@ -411,12 +435,12 @@ int builtin_quote(Environment &env, const std::vector<std::string> &tokens, cons
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continue;
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}
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if (space) {
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fputs(" ", stdout);
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fdputs(" ", stdout);
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}
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fputs(quote(s).c_str(), stdout);
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fdputs(quote(s).c_str(), stdout);
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space = true;
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}
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if (!n) fputs("\n", stdout);
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if (!n) fdputs("\n", stdout);
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return 0;
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}
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@ -426,7 +450,7 @@ int builtin_parameters(Environment &env, const std::vector<std::string> &argv, c
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int i = 0;
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for (const auto &s : argv) {
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fprintf(stdout, "{%d} %s\n", i++, s.c_str());
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fdprintf(stdout, "{%d} %s\n", i++, s.c_str());
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}
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return 0;
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}
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@ -484,20 +508,20 @@ int builtin_directory(Environment &env, const std::vector<std::string> &tokens,
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q = true;
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break;
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default:
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fprintf(stderr, "### Directory - \"-%c\" is not an option.\n", c);
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fdprintf(stderr, "### Directory - \"-%c\" is not an option.\n", c);
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error = true;
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break;
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}
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});
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if (error) {
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fputs("# Usage - Directory [-q | directory]\n", stderr);
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fdputs("# Usage - Directory [-q | directory]\n", stderr);
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return 1;
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}
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if (argv.size() > 1) {
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fputs("### Directory - Too many parameters were specified.\n", stderr);
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fputs("# Usage - Directory [-q | directory]\n", stderr);
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fdputs("### Directory - Too many parameters were specified.\n", stderr);
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fdputs("# Usage - Directory [-q | directory]\n", stderr);
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return 1;
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}
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@ -505,7 +529,7 @@ int builtin_directory(Environment &env, const std::vector<std::string> &tokens,
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if (argv.size() == 1) {
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//cd
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if (q) {
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fputs("### Directory - Conflicting options or parameters were specified.\n", stderr);
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fdputs("### Directory - Conflicting options or parameters were specified.\n", stderr);
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return 1;
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}
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@ -514,8 +538,8 @@ int builtin_directory(Environment &env, const std::vector<std::string> &tokens,
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std::error_code ec;
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current_path(path, ec);
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if (ec) {
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fputs("### Directory - Unable to set current directory.\n", stderr);
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fprintf(stderr, "# %s\n", ec.message().c_str());
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fdputs("### Directory - Unable to set current directory.\n", stderr);
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fdprintf(stderr, "# %s\n", ec.message().c_str());
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return 1;
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}
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}
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@ -525,8 +549,8 @@ int builtin_directory(Environment &env, const std::vector<std::string> &tokens,
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fs::path path = fs::current_path(ec);
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if (ec) {
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fputs("### Directory - Unable to get current directory.\n", stderr);
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fprintf(stderr, "# %s\n", ec.message().c_str());
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fdputs("### Directory - Unable to get current directory.\n", stderr);
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fdprintf(stderr, "# %s\n", ec.message().c_str());
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return 1;
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}
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@ -534,7 +558,7 @@ int builtin_directory(Environment &env, const std::vector<std::string> &tokens,
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std::string s = path;
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if (!q) s = quote(std::move(s));
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fprintf(stdout, "%s\n", s.c_str());
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fdprintf(stdout, "%s\n", s.c_str());
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}
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return 0;
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}
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@ -572,7 +596,7 @@ int builtin_exists(Environment &env, const std::vector<std::string> &tokens, con
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_w = true;
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break;
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default:
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fprintf(stderr, "### Exists - \"-%c\" is not an option.\n", c);
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fdprintf(stderr, "### Exists - \"-%c\" is not an option.\n", c);
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error = true;
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break;
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}
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@ -581,19 +605,19 @@ int builtin_exists(Environment &env, const std::vector<std::string> &tokens, con
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if (_w) _f = false;
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if (_a + _d + _f + _w > 1) {
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fputs("### Exists - Conflicting options were specified.\n", stderr);
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fdputs("### Exists - Conflicting options were specified.\n", stderr);
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error = true;
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}
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if (argv.size() < 1) {
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fputs("### Exists - Not enough parameters were specified.\n", stderr);
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fdputs("### Exists - Not enough parameters were specified.\n", stderr);
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error = true;
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}
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if (error) {
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fputs("# Usage - Exists [-a | -d | -f | -w] [-n] [-q] name...\n", stderr);
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fdputs("# Usage - Exists [-a | -d | -f | -w] [-n] [-q] name...\n", stderr);
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return 1;
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}
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@ -610,7 +634,7 @@ int builtin_exists(Environment &env, const std::vector<std::string> &tokens, con
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if (_w && (access(path.c_str(), W_OK | F_OK) < 0)) continue;
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if (!_q) s = quote(std::move(s));
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fprintf(stdout, "%s\n", s.c_str());
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fdprintf(stdout, "%s\n", s.c_str());
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}
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@ -712,7 +736,7 @@ int builtin_evaluate(Environment &env, std::vector<token> &&tokens, const fdmask
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int32_t i = evaluate_expression("Evaluate", std::move(tokens));
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if (output == 'h') {
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fprintf(stdout, "0x%08x\n", i);
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fdprintf(stdout, "0x%08x\n", i);
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return 0;
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}
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@ -724,17 +748,17 @@ int builtin_evaluate(Environment &env, std::vector<token> &&tokens, const fdmask
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i <<= 1;
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}
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tmp.push_back('\n');
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fputs(tmp.c_str(), stdout);
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fdputs(tmp.c_str(), stdout);
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return 0;
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}
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if (output == 'o') {
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// octal.
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fprintf(stdout, "0%o\n", i);
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fdprintf(stdout, "0%o\n", i);
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return 0;
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}
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fprintf(stdout, "%d\n", i);
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fdprintf(stdout, "%d\n", i);
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return 0;
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}
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@ -752,19 +776,19 @@ int builtin_which(Environment &env, const std::vector<std::string> &tokens, cons
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case 'p': case 'P': p = true; break;
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default:
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fprintf(stderr, "### Which - \"-%c\" is not an option.\n", c);
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fdprintf(stderr, "### Which - \"-%c\" is not an option.\n", c);
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error = true;
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break;
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}
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});
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if (argv.size() > 1) {
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fprintf(stderr, "### Which - Too many parameters were specified.\n");
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fdprintf(stderr, "### Which - Too many parameters were specified.\n");
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error = true;
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}
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if (error) {
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fprintf(stderr, "# Usage - Which [-a] [-p] [name]\n");
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fdprintf(stderr, "# Usage - Which [-a] [-p] [name]\n");
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return 1;
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}
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@ -774,7 +798,7 @@ int builtin_which(Environment &env, const std::vector<std::string> &tokens, cons
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if (argv.empty()) {
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// just print the paths.
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for (; ss; ++ss) {
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fprintf(stdout, "%s\n", ss->c_str());
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fdprintf(stdout, "%s\n", ss->c_str());
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}
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return 0;
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}
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@ -790,17 +814,17 @@ int builtin_which(Environment &env, const std::vector<std::string> &tokens, cons
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fs::path p(ToolBox::MacToUnix(target));
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if (fs::exists(p, ec)) {
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fprintf(stdout, "%s\n", quote(p).c_str());
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fdprintf(stdout, "%s\n", quote(p).c_str());
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return 0;
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}
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else {
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fprintf(stderr, "### Which - File \"%s\" not found.\n", target.c_str());
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fdprintf(stderr, "### Which - File \"%s\" not found.\n", target.c_str());
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return 2;
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}
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}
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for(; ss; ++ss) {
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if (p) fprintf(stderr, "checking %s\n", ss->c_str());
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if (p) fdprintf(stderr, "checking %s\n", ss->c_str());
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std::error_code ec;
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fs::path p(ToolBox::MacToUnix(ss->c_str()));
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@ -808,7 +832,7 @@ int builtin_which(Environment &env, const std::vector<std::string> &tokens, cons
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p /= target;
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if (fs::exists(p, ec)) {
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found = true;
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fprintf(stdout, "%s\n", quote(p).c_str());
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fdprintf(stdout, "%s\n", quote(p).c_str());
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if (!a) break;
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}
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@ -840,7 +864,7 @@ int builtin_which(Environment &env, const std::vector<std::string> &tokens, cons
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auto iter = std::find(std::begin(builtins), std::end(builtins), target);
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if (iter != std::end(builtins)) {
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fprintf(stdout, "%s\n", *iter);
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fdprintf(stdout, "%s\n", *iter);
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found = true;
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}
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@ -850,7 +874,7 @@ int builtin_which(Environment &env, const std::vector<std::string> &tokens, cons
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// also check built-ins?
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fprintf(stderr, "### Which - Command \"%s\" was not found.\n", target.c_str());
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fdprintf(stderr, "### Which - Command \"%s\" was not found.\n", target.c_str());
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return 2; // not found.
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}
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|
||||
@ -884,7 +908,7 @@ int builtin_catenate(Environment &env, const std::vector<std::string> &tokens, c
|
||||
|
||||
if (tokens.size() == 1) {
|
||||
int rv = cat_helper(stdin, stdout);
|
||||
if (rv) fputs("### Catenate - I/O Error\n", stderr);
|
||||
if (rv) fdputs("### Catenate - I/O Error\n", stderr);
|
||||
return rv;
|
||||
}
|
||||
|
||||
@ -893,14 +917,14 @@ int builtin_catenate(Environment &env, const std::vector<std::string> &tokens, c
|
||||
std::string path = ToolBox::MacToUnix(s);
|
||||
int fd = open(path.c_str(), O_RDONLY);
|
||||
if (fd < 0) {
|
||||
fprintf(stderr, "### Catenate - Unable to open \"%s\".\n", path.c_str());
|
||||
fdprintf(stderr, "### Catenate - Unable to open \"%s\".\n", path.c_str());
|
||||
return 1;
|
||||
}
|
||||
|
||||
int rv = cat_helper(fd, stdout);
|
||||
close(fd);
|
||||
if (rv) {
|
||||
fputs("### Catenate - I/O Error\n", stderr);
|
||||
fdputs("### Catenate - I/O Error\n", stderr);
|
||||
return rv;
|
||||
}
|
||||
}
|
||||
@ -920,28 +944,28 @@ int builtin_version(Environment &env, const std::vector<std::string> &tokens, co
|
||||
_v = true;
|
||||
break;
|
||||
default:
|
||||
fprintf(stderr, "### Version - \"-%c\" is not an option.\n", c);
|
||||
fdprintf(stderr, "### Version - \"-%c\" is not an option.\n", c);
|
||||
error = true;
|
||||
break;
|
||||
}
|
||||
});
|
||||
|
||||
if (argv.size() != 0) {
|
||||
fprintf(stderr, "### Version - Too many parameters were specified.\n");
|
||||
fdprintf(stderr, "### Version - Too many parameters were specified.\n");
|
||||
error = true;
|
||||
}
|
||||
|
||||
if (error) {
|
||||
fprintf(stderr, "# Usage - Version [-v]\n");
|
||||
fdprintf(stderr, "# Usage - Version [-v]\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
//fputs("MPW Shell 3.5, Copyright Apple Computer, Inc. 1985-99. All rights reserved.\n", stdout);
|
||||
fputs("MPW Shell " VERSION ", Copyright Kelvin W Sherlock 2016. All rights reserved.\n", stdout);
|
||||
fputs("based on MPW Shell 3.5, Copyright Apple Computer, Inc. 1985-99. All rights reserved.\n", stdout);
|
||||
//fdputs("MPW Shell 3.5, Copyright Apple Computer, Inc. 1985-99. All rights reserved.\n", stdout);
|
||||
fdputs("MPW Shell " VERSION ", Copyright Kelvin W Sherlock 2016. All rights reserved.\n", stdout);
|
||||
fdputs("based on MPW Shell 3.5, Copyright Apple Computer, Inc. 1985-99. All rights reserved.\n", stdout);
|
||||
|
||||
if (_v) {
|
||||
fputs("This version built on " __DATE__ " at " __TIME__ ".\n", stdout);
|
||||
fdputs("This version built on " __DATE__ " at " __TIME__ ".\n", stdout);
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -952,7 +976,7 @@ int builtin_aboutbox(Environment &env, const std::vector<std::string> &tokens, c
|
||||
|
||||
if (tokens.size() == 2 && tokens[1] == "--moof") {
|
||||
|
||||
fputs(
|
||||
fdputs(
|
||||
"\n"
|
||||
" ## \n"
|
||||
" ## ## #### \n"
|
||||
@ -983,7 +1007,7 @@ int builtin_aboutbox(Environment &env, const std::vector<std::string> &tokens, c
|
||||
}
|
||||
|
||||
|
||||
fprintf(stdout,
|
||||
fdprintf(stdout,
|
||||
"+--------------------------------------+\n"
|
||||
"| MPW Shell %-4s |\n"
|
||||
"| |\n"
|
||||
@ -993,3 +1017,12 @@ int builtin_aboutbox(Environment &env, const std::vector<std::string> &tokens, c
|
||||
, VERSION);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int builtin_true(Environment &, const std::vector<std::string> &, const fdmask &) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
int builtin_false(Environment &, const std::vector<std::string> &, const fdmask &) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user