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add aliases == and [[ for = and [ to support more bash scripts

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This commit is contained in:
Mike Frysinger 2005-04-14 02:49:22 +00:00
parent c089ccdb44
commit 75ac42b1ae
2 changed files with 8 additions and 1 deletions
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8
coreutils/test.c
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@ -51,7 +51,7 @@
unary-operator ::= "-r"|"-w"|"-x"|"-f"|"-d"|"-c"|"-b"|"-p"| unary-operator ::= "-r"|"-w"|"-x"|"-f"|"-d"|"-c"|"-b"|"-p"|
"-u"|"-g"|"-k"|"-s"|"-t"|"-z"|"-n"|"-o"|"-O"|"-G"|"-L"|"-S"; "-u"|"-g"|"-k"|"-s"|"-t"|"-z"|"-n"|"-o"|"-O"|"-G"|"-L"|"-S";
binary-operator ::= "="|"!="|"-eq"|"-ne"|"-ge"|"-gt"|"-le"|"-lt"| binary-operator ::= "="|"=="|"!="|"-eq"|"-ne"|"-ge"|"-gt"|"-le"|"-lt"|
"-nt"|"-ot"|"-ef"; "-nt"|"-ot"|"-ef";
operand ::= <any legal UNIX file name> operand ::= <any legal UNIX file name>
*/ */
@ -135,6 +135,7 @@ static const struct t_op {
"-L", FILSYM, UNOP}, { "-L", FILSYM, UNOP}, {
"-S", FILSOCK, UNOP}, { "-S", FILSOCK, UNOP}, {
"=", STREQ, BINOP}, { "=", STREQ, BINOP}, {
"==", STREQ, BINOP}, {
"!=", STRNE, BINOP}, { "!=", STRNE, BINOP}, {
"<", STRLT, BINOP}, { "<", STRLT, BINOP}, {
">", STRGT, BINOP}, { ">", STRGT, BINOP}, {
@ -191,6 +192,11 @@ extern int test_main(int argc, char **argv)
bb_error_msg_and_die("missing ]"); bb_error_msg_and_die("missing ]");
argv[argc] = NULL; argv[argc] = NULL;
} }
if (strcmp(bb_applet_name, "[[") == 0) {
if (strcmp(argv[--argc], "]]"))
bb_error_msg_and_die("missing ]]");
argv[argc] = NULL;
}
/* Implement special cases from POSIX.2, section 4.62.4 */ /* Implement special cases from POSIX.2, section 4.62.4 */
switch (argc) { switch (argc) {
case 1: case 1:

1
include/applets.h
View File

@ -50,6 +50,7 @@
#ifdef CONFIG_TEST #ifdef CONFIG_TEST
APPLET_NOUSAGE("[", test_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) APPLET_NOUSAGE("[", test_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
APPLET_NOUSAGE("[[", test_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
#endif #endif
#ifdef CONFIG_ADDGROUP #ifdef CONFIG_ADDGROUP
APPLET(addgroup, addgroup_main, _BB_DIR_BIN, _BB_SUID_NEVER) APPLET(addgroup, addgroup_main, _BB_DIR_BIN, _BB_SUID_NEVER)