13c26fc1a
Robert Griebl
2002-05-17
Subject
SUpport old style -[::digit::] options for head and tail Also make head behave like GNU head (-0/-n 0 is valid)
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Commit Diff GitHub →
coreutils/head.c+6 -1
| @@ -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: | |
coreutils/tail.c+5 -0
| @@ -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': | |