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greg |
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#ifndef lint |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* neat.c - program to tidy up columns. |
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* |
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* 10/24/86 |
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*/ |
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#include <stdio.h> |
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#include <ctype.h> |
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char *format = "8.8"; /* default format */ |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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int left, anchor, right; |
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char buf[512]; |
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register char *cp, *word; |
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register int i; |
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if (argc == 2) |
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format = argv[1]; |
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else if (argc > 2) |
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goto userror; |
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left = 0; |
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for (cp = format; isdigit(*cp); cp++) |
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left = left*10 + *cp - '0'; |
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right = 0; |
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if (anchor = *cp) |
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for (cp++; isdigit(*cp); cp++) |
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right = right*10 + *cp - '0'; |
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if (*cp) |
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goto userror; |
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while ((cp = fgets(buf, sizeof(buf), stdin)) != NULL) |
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for ( ; ; ) { |
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while (isspace(*cp)) |
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cp++; |
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if (!*cp) { |
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putchar('\n'); |
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break; |
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} |
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word = cp; |
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while (*cp && *cp != anchor && !isspace(*cp)) |
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cp++; |
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i = left-(cp-word); |
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while (i-- > 0) |
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putchar(' '); |
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while (word < cp) |
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putchar(*word++); |
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i = right+1; |
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if (*cp == anchor) |
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do { |
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putchar(*cp++); |
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i--; |
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} while (*cp && !isspace(*cp)); |
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while (i-- > 0) |
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putchar(' '); |
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} |
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exit(0); |
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userror: |
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fputs("Usage: ", stderr); |
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fputs(argv[0], stderr); |
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fputs(" [format]\n", stderr); |
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exit(1); |
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} |