Allow strings(1) to operate on more than one file
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parent
484d5b4340
commit
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@ -3,7 +3,7 @@
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strings \- print the strings of printable characters in files
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strings \- print the strings of printable characters in files
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.SH SYNOPSIS
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.SH SYNOPSIS
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.B strings
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.B strings
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.IR [file...]
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.IR file...
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.SH DESCRIPTION
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.SH DESCRIPTION
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.B strings
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.B strings
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prints the printable character sequences that are at least 6 characters
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prints the printable character sequences that are at least 6 characters
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10
strings.c
10
strings.c
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@ -9,7 +9,7 @@ static void dostrings(FILE *fp, const char *fname);
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static void
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static void
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usage(void)
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usage(void)
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{
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{
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eprintf("usage: %s file\n", argv0);
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eprintf("usage: %s file...\n", argv0);
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}
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}
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int
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int
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@ -22,13 +22,15 @@ main(int argc, char *argv[])
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usage();
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usage();
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} ARGEND;
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} ARGEND;
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if (argc > 0) {
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if (argc == 0) {
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dostrings(stdin, "<stdin>");
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} else {
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for (; argc > 0; argc--, argv++) {
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if (!(fp = fopen(argv[0], "r")))
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if (!(fp = fopen(argv[0], "r")))
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eprintf("open %s:", argv[0]);
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eprintf("open %s:", argv[0]);
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dostrings(fp, argv[0]);
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dostrings(fp, argv[0]);
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fclose(fp);
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fclose(fp);
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} else {
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}
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dostrings(stdin, "<stdin>");
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}
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}
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return EXIT_SUCCESS;
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return EXIT_SUCCESS;
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