20 lines
449 B
C
20 lines
449 B
C
#define _GNU_SOURCE
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <assert.h>
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// ls -i -l /tmp >> log
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//
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int main(int argc, char *argv[])
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{
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int redirection = open("./log",O_WRONLY | O_APPEND | O_CREAT , 0644);
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assert(redirection >= 0);
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// dup2 ferme 1, et duplique redirection
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dup2(redirection,1);
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close(redirection);
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execlp("ls","ls","-i","-l","/tmp",NULL);
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assert(0);
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return 0;
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}
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