mirror of https://github.com/dirtbags/fluffy.git
59 lines
984 B
C
59 lines
984 B
C
/*
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* slice up octet streams -- 2017 Neale Pickett <zephyr@dirtbags.net>
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*
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* This file is in the public domain. I make no promises about the functionality
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* of this program.
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*/
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#include <limits.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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int
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main(int argc, char *argv[])
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{
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int argn = 1;
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unsigned long int drop = true;
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unsigned long int next;
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unsigned long int pos;
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if (1 == argc) {
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fprintf(stderr, "Usage: %s start [end start...] [end]\n", argv[0]);
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fprintf(stderr, "\n");
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fprintf(stderr, "Slices input, keeping specified ranges\n");
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return 1;
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}
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next = strtoul(argv[argn], NULL, 0);
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for (pos = 0; ; pos += 1) {
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int c = getchar();
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if (EOF == c) {
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break;
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}
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if (next == pos) {
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drop = !drop;
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argn += 1;
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if (argn == argc) {
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if (drop) {
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break;
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}
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next = ULONG_MAX;
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} else {
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next = strtoul(argv[argn], NULL, 0);
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}
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}
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if (drop) {
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/* drop */
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} else {
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putchar(c);
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}
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}
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return 0;
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}
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