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SUpport old style -[::digit::] options for head and tail

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Also make head behave like GNU head (-0/-n 0 is valid)
This commit is contained in:
Robert Griebl 2002-05-17 22:18:04 +00:00
parent c30c5e89cf
commit 13c26fc1a5
2 changed files with 11 additions and 1 deletions
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7
coreutils/head.c
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@ -47,12 +47,17 @@ int head_main(int argc, char **argv)
FILE *fp;
int need_headers, opt, len = 10, status = EXIT_SUCCESS;
if (( argc >= 2 ) && ( strlen ( argv [1] ) >= 2 ) && ( argv [1][0] == '-' ) && isdigit ( argv [1][1] )) {
len = atoi ( &argv [1][1] );
optind = 2;
}
/* parse argv[] */
while ((opt = getopt(argc, argv, "n:")) > 0) {
switch (opt) {
case 'n':
len = atoi(optarg);
if (len >= 1)
if (len >= 0)
break;
/* fallthrough */
default:

5
coreutils/tail.c
View File

@ -68,6 +68,11 @@ int tail_main(int argc, char **argv)
char *s, *start, *end, buf[BUFSIZ];
int i, opt;
if (( argc >= 2 ) && ( strlen ( argv [1] ) >= 2 ) && ( argv [1][0] == '-' ) && isdigit ( argv [1][1] )) {
count = atoi ( &argv [1][1] );
optind = 2;
}
while ((opt = getopt(argc, argv, "c:fhn:q:s:v")) > 0) {
switch (opt) {
case 'f':