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/* basename.c - Return non-directory portion of a pathname
*
* Copyright 2012 Tryn Mirell <tryn@mirell.org>
*
* See http://opengroup.org/onlinepubs/9699919799/utilities/basename.html
USE_BASENAME(NEWTOY(basename, "<1>2", TOYFLAG_USR|TOYFLAG_BIN))
config BASENAME
bool "basename"
default y
help
usage: basename string [suffix]
Return non-directory portion of a pathname removing suffix
*/
#include "toys.h"
void basename_main(void)
{
char *arg = toys.optargs[0], *suffix = toys.optargs[1], *base;
while ((base = strrchr(arg, '/'))) {
if (base == arg) break;
if (!base[1]) *base = 0;
else {
base++;
break;
}
}
if (!base) base = arg;
// chop off the suffix if provided
if (suffix) {
arg = base + strlen(base) - strlen(suffix);
if (arg > base && !strcmp(arg, suffix)) *arg = 0;
}
puts(base);
}
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