44 lines
811 B
C
44 lines
811 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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int main(int argc, char *argv[])
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{
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int c, sec, nano;
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struct timespec ts;
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int slowdown = 300; /* set a default value */
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float delay;
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/*
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* get the desired slowdown from command-line
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*/
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if (2 == argc) {
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if (1 != sscanf(argv[1], "%d", &slowdown)) {
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fprintf(stderr, "%s: bad arg, sorry\n",
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argv[0]);
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exit(1);
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}
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if (slowdown < 1) {
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fprintf(stderr, "%d is invalid\n",
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slowdown);
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exit(1);
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}
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}
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/* convert the slowdown value to delay */
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delay = 1.0 / (float)slowdown;
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sec = (int)delay;
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nano = (int)(1000*1000*1000*(delay - (int)delay));
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ts.tv_sec = sec;
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ts.tv_nsec = nano;
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while ( EOF != (c=getchar()) )
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{
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putchar(c);
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fflush(stdout);
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nanosleep(&ts, NULL);
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}
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return 0;
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}
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