| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: neat.c,v 1.2 2003/06/08 12:03:09 schorsch Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* neat.c - program to tidy up columns. |
| 6 |
* |
| 7 |
* 10/24/86 |
| 8 |
*/ |
| 9 |
|
| 10 |
#include <stdlib.h> |
| 11 |
#include <stdio.h> |
| 12 |
|
| 13 |
#include <ctype.h> |
| 14 |
|
| 15 |
|
| 16 |
char *format = "8.8"; /* default format */ |
| 17 |
|
| 18 |
|
| 19 |
main(argc, argv) |
| 20 |
int argc; |
| 21 |
char *argv[]; |
| 22 |
{ |
| 23 |
int left, anchor, right; |
| 24 |
char buf[512]; |
| 25 |
register char *cp, *word; |
| 26 |
register int i; |
| 27 |
|
| 28 |
if (argc == 2) |
| 29 |
format = argv[1]; |
| 30 |
else if (argc > 2) |
| 31 |
goto userror; |
| 32 |
left = 0; |
| 33 |
for (cp = format; isdigit(*cp); cp++) |
| 34 |
left = left*10 + *cp - '0'; |
| 35 |
right = 0; |
| 36 |
if ( (anchor = *cp) ) |
| 37 |
for (cp++; isdigit(*cp); cp++) |
| 38 |
right = right*10 + *cp - '0'; |
| 39 |
if (*cp) |
| 40 |
goto userror; |
| 41 |
|
| 42 |
while ((cp = fgets(buf, sizeof(buf), stdin)) != NULL) |
| 43 |
for ( ; ; ) { |
| 44 |
while (isspace(*cp)) |
| 45 |
cp++; |
| 46 |
if (!*cp) { |
| 47 |
putchar('\n'); |
| 48 |
break; |
| 49 |
} |
| 50 |
word = cp; |
| 51 |
while (*cp && *cp != anchor && !isspace(*cp)) |
| 52 |
cp++; |
| 53 |
i = left-(cp-word); |
| 54 |
while (i-- > 0) |
| 55 |
putchar(' '); |
| 56 |
while (word < cp) |
| 57 |
putchar(*word++); |
| 58 |
i = right+1; |
| 59 |
if (*cp == anchor) |
| 60 |
do { |
| 61 |
putchar(*cp++); |
| 62 |
i--; |
| 63 |
} while (*cp && !isspace(*cp)); |
| 64 |
while (i-- > 0) |
| 65 |
putchar(' '); |
| 66 |
} |
| 67 |
exit(0); |
| 68 |
userror: |
| 69 |
fputs("Usage: ", stderr); |
| 70 |
fputs(argv[0], stderr); |
| 71 |
fputs(" [format]\n", stderr); |
| 72 |
exit(1); |
| 73 |
} |
