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git://git.suckless.org/ubase
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51 lines
909 B
C
51 lines
909 B
C
/* See LICENSE file for copyright and license details. */
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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 "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s [-t] [-n interval] command\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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char cmd[BUFSIZ];
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int i, interval = 2;
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ARGBEGIN {
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case 't':
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break;
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case 'n':
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/* Only whole seconds for now */
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interval = estrtol(EARGF(usage()), 10);
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break;
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default:
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usage();
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} ARGEND;
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if (argc < 1)
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usage();
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if (strlcpy(cmd, argv[0], sizeof(cmd)) >= sizeof(cmd))
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eprintf("command too long\n");
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for (i = 1; i < argc; i++) {
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if (strlcat(cmd, " ", sizeof(cmd)) >= sizeof(cmd))
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eprintf("command too long\n");
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if (strlcat(cmd, argv[i], sizeof(cmd)) >= sizeof(cmd))
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eprintf("command too long\n");
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}
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for (;;) {
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printf("\x1b[2J\x1b[H"); /* clear */
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fflush(NULL);
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system(cmd);
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sleep(interval);
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}
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return 0;
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}
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