| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: lam.c,v 1.3 2003/10/27 10:26:05 schorsch Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* lam.c - simple program to laminate files. |
| 6 |
* |
| 7 |
* 7/14/88 Greg Ward |
| 8 |
*/ |
| 9 |
|
| 10 |
#include <stdlib.h> |
| 11 |
#include <string.h> |
| 12 |
#include <stdio.h> |
| 13 |
|
| 14 |
#include "platform.h" |
| 15 |
#include "rtprocess.h" |
| 16 |
|
| 17 |
#define MAXFILE 16 /* maximum number of files */ |
| 18 |
|
| 19 |
#define MAXLINE 512 /* maximum input line */ |
| 20 |
|
| 21 |
FILE *input[MAXFILE]; |
| 22 |
int tabc[MAXFILE]; |
| 23 |
int nfiles; |
| 24 |
|
| 25 |
char buf[MAXLINE]; |
| 26 |
|
| 27 |
int |
| 28 |
main(argc, argv) |
| 29 |
int argc; |
| 30 |
char *argv[]; |
| 31 |
{ |
| 32 |
register int i; |
| 33 |
int curtab; |
| 34 |
int running; |
| 35 |
|
| 36 |
curtab = '\t'; |
| 37 |
nfiles = 0; |
| 38 |
for (i = 1; i < argc; i++) { |
| 39 |
if (argv[i][0] == '-') { |
| 40 |
switch (argv[i][1]) { |
| 41 |
case 't': |
| 42 |
curtab = argv[i][2]; |
| 43 |
break; |
| 44 |
case '\0': |
| 45 |
tabc[nfiles] = curtab; |
| 46 |
input[nfiles++] = stdin; |
| 47 |
break; |
| 48 |
default: |
| 49 |
fputs(argv[0], stderr); |
| 50 |
fputs(": bad option\n", stderr); |
| 51 |
exit(1); |
| 52 |
} |
| 53 |
} else if (argv[i][0] == '!') { |
| 54 |
tabc[nfiles] = curtab; |
| 55 |
if ((input[nfiles++] = popen(argv[i]+1, "r")) == NULL) { |
| 56 |
fputs(argv[i], stderr); |
| 57 |
fputs(": cannot start command\n", stderr); |
| 58 |
exit(1); |
| 59 |
} |
| 60 |
} else { |
| 61 |
tabc[nfiles] = curtab; |
| 62 |
if ((input[nfiles++] = fopen(argv[i], "r")) == NULL) { |
| 63 |
fputs(argv[i], stderr); |
| 64 |
fputs(": cannot open file\n", stderr); |
| 65 |
exit(1); |
| 66 |
} |
| 67 |
} |
| 68 |
if (nfiles >= MAXFILE) { |
| 69 |
fputs(argv[0], stderr); |
| 70 |
fputs(": too many input streams\n", stderr); |
| 71 |
exit(1); |
| 72 |
} |
| 73 |
} |
| 74 |
|
| 75 |
do { |
| 76 |
running = 0; |
| 77 |
for (i = 0; i < nfiles; i++) { |
| 78 |
if (fgets(buf, MAXLINE, input[i]) != NULL) { |
| 79 |
if (i) |
| 80 |
putchar(tabc[i]); |
| 81 |
buf[strlen(buf)-1] = '\0'; |
| 82 |
fputs(buf, stdout); |
| 83 |
running++; |
| 84 |
} |
| 85 |
} |
| 86 |
if (running) |
| 87 |
putchar('\n'); |
| 88 |
} while (running); |
| 89 |
|
| 90 |
exit(0); |
| 91 |
} |
