From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/ape/cmd/basename.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100755 sys/src/ape/cmd/basename.c (limited to 'sys/src/ape/cmd/basename.c') diff --git a/sys/src/ape/cmd/basename.c b/sys/src/ape/cmd/basename.c new file mode 100755 index 000000000..429a9afb6 --- /dev/null +++ b/sys/src/ape/cmd/basename.c @@ -0,0 +1,44 @@ +#include +#include +#include + +main(int argc, char **argv) +{ + char *f, *b, *s; + int n; + + if(argc < 2 || argc > 3){ + fprintf(stderr, "Usage: basename string [suffix]\n"); + exit(1); + } + s = argv[1]; + b = s + strlen(s) - 1; + while(b > s && *b == '/') + b--; + *++b = 0; + if(b == s+1 && s[0] == '/') { + printf("/"); + exit(0); + } + /* now b is after last char of string, trailing slashes removed */ + + for(f = b; f >= s; f--) + if(*f == '/'){ + f++; + break; + } + if(f < s) + f = s; + + /* now f is first char after last remaining slash, or first char */ + + if(argc == 3){ + n = strlen(argv[2]); + if(n < b-f && strncmp(b-n, argv[2], n) == 0){ + b -= n; + *b = 0; + } + } + printf("%s\n", f); + exit(0); +} -- cgit v1.2.3