diff options
| author | Rob Landley <rob@landley.net> | 2015-03-19 13:57:02 -0500 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2015-03-19 13:57:02 -0500 |
| commit | 2fd8a74dcae1cd01879a3e9a733d798bb386dc16 (patch) | |
| tree | 7204712708cc10dc1d6781096eaaec8eb0dee43b /toys/posix/head.c | |
| parent | 893a092f62a6652ec9668e1e0fc68910dedc2acc (diff) | |
| download | toybox-2fd8a74dcae1cd01879a3e9a733d798bb386dc16.tar.gz | |
Add -123 support to head (suggested by Elliott Hughes).
Diffstat (limited to 'toys/posix/head.c')
| -rw-r--r-- | toys/posix/head.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/toys/posix/head.c b/toys/posix/head.c index e8517d44..42f945bf 100644 --- a/toys/posix/head.c +++ b/toys/posix/head.c @@ -4,7 +4,7 @@ * * See http://opengroup.org/onlinepubs/9699919799/utilities/head.html -USE_HEAD(NEWTOY(head, "n#<0=10", TOYFLAG_BIN)) +USE_HEAD(NEWTOY(head, "?n#<0=10", TOYFLAG_BIN)) config HEAD bool "head" @@ -50,5 +50,12 @@ static void do_head(int fd, char *name) void head_main(void) { - loopfiles(toys.optargs, do_head); + char *arg = *toys.optargs; + + // handle old "-42" style arguments + if (arg && *arg == '-' && arg[1]) { + TT.lines = atolx(arg+1); + toys.optc--; + } + loopfiles(toys.optargs+!!arg, do_head); } |