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20 lines
400 B
C++
20 lines
400 B
C++
#include <stdio.h>
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#include <string.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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if (argc < 2) {
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printf("usage: fgrep <str>\n");
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return 0;
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}
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for (;;) {
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char buf[4096];
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fgets(buf, sizeof(buf), stdin);
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if (strstr(buf, argv[1]))
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write(1, buf, strlen(buf));
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if (feof(stdin))
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return 0;
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}
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return 0;
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}
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