1 |
greg |
1.1 |
#ifndef lint |
2 |
schorsch |
1.2 |
static const char RCSid[] = "$Id: neat.c,v 1.1 2003/02/22 02:07:20 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
|
/* |
5 |
|
|
* neat.c - program to tidy up columns. |
6 |
|
|
* |
7 |
|
|
* 10/24/86 |
8 |
|
|
*/ |
9 |
|
|
|
10 |
schorsch |
1.2 |
#include <stdlib.h> |
11 |
greg |
1.1 |
#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 |
|
|
} |