mikhailnov · December 8, 2021 11:00
diff --git a/watch_file.c b/watch_file.c
 #include <unistd.h>
 #include <stdio.h>

 int main(){
 	for(;;){
 		if (access("/tmp/xxx", F_OK) == 0) {
 			printf("%s", "File exists\n");
 			break;
 		} else {
 			sleep(1);
 		}
 	}
 }
	#include <unistd.h>
	#include <stdio.h>

	int main(){
	for(;;){
	if (access("/tmp/xxx", F_OK) == 0) {
	printf("%s", "File exists\n");
	break;
	} else {
	sleep(1);
	}
	}
	}