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Add support for '-' to cat

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This chunk will need to be librarified at some point.
This commit is contained in:
sin 2014-07-04 16:45:20 +01:00
parent a62eda512c
commit 5dc02f757b
1 changed files with 6 additions and 2 deletions
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8
cat.c
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@ -15,6 +15,7 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
char *p;
FILE *fp; FILE *fp;
int i; int i;
@ -27,11 +28,14 @@ main(int argc, char *argv[])
concat(stdin, "<stdin>", stdout, "<stdout>"); concat(stdin, "<stdin>", stdout, "<stdout>");
} else { } else {
for(i = 0; i < argc; i++) { for(i = 0; i < argc; i++) {
if(!(fp = fopen(argv[i], "r"))) { p = argv[i];
if (argv[i][0] == '-')
p = "/dev/stdin";
if(!(fp = fopen(p, "r"))) {
weprintf("fopen %s:", argv[i]); weprintf("fopen %s:", argv[i]);
continue; continue;
} }
concat(fp, argv[i], stdout, "<stdout>"); concat(fp, p, stdout, "<stdout>");
fclose(fp); fclose(fp);
} }
} }