home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Language/OS - Multiplatform Resource Library
/
LANGUAGE OS.iso
/
russell
/
gc32.lha
/
if_not_there.c
< prev
next >
Wrap
C/C++ Source or Header
|
1993-04-01
|
533b
|
25 lines
/* Conditionally execute a command based if the file argv[1] doesn't exist */
/* Except for execvp, we stick to ANSI C. */
# include "config.h"
# include <stdio.h>
int main(argc, argv, envp)
int argc;
char ** argv;
char ** envp;
{
FILE * f;
if (argc < 3) goto Usage;
if ((f = fopen(argv[1], "rb")) != 0
|| (f = fopen(argv[1], "r")) != 0) {
fclose(f);
return(0);
}
execvp(argv[2], argv+2);
Usage:
fprintf(stderr, "Usage: %s file_name command\n", argv[0]);
return(1);
}