diff options
Diffstat (limited to 'grep.c')
-rw-r--r-- | grep.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -12,7 +12,7 @@ grep(char *pattern, int fd) { int n, m; char *p, *q; - + m = 0; while((n = read(fd, buf+m, sizeof(buf)-m-1)) > 0){ m += n; @@ -40,13 +40,13 @@ main(int argc, char *argv[]) { int fd, i; char *pattern; - + if(argc <= 1){ printf(2, "usage: grep pattern [file ...]\n"); exit(); } pattern = argv[1]; - + if(argc <= 2){ grep(pattern, 0); exit(); |