| 1 |
#ifndef lint
|
| 2 |
static const char RCSid[] = "$Id: lam.c,v 1.11 2010/06/18 21:22:49 greg 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 |
#include <ctype.h>
|
| 14 |
|
| 15 |
#include "platform.h"
|
| 16 |
#include "rtprocess.h"
|
| 17 |
|
| 18 |
#define MAXFILE 512 /* maximum number of files */
|
| 19 |
|
| 20 |
#define MAXLINE 4096 /* maximum input line */
|
| 21 |
|
| 22 |
FILE *input[MAXFILE];
|
| 23 |
int bytsiz[MAXFILE];
|
| 24 |
char *tabc[MAXFILE];
|
| 25 |
int nfiles;
|
| 26 |
|
| 27 |
char buf[MAXLINE];
|
| 28 |
|
| 29 |
int
|
| 30 |
main(argc, argv)
|
| 31 |
int argc;
|
| 32 |
char *argv[];
|
| 33 |
{
|
| 34 |
int unbuff = 0;
|
| 35 |
int i;
|
| 36 |
char *curtab;
|
| 37 |
int curbytes;
|
| 38 |
int puteol;
|
| 39 |
|
| 40 |
curtab = "\t";
|
| 41 |
curbytes = 0;
|
| 42 |
nfiles = 0;
|
| 43 |
for (i = 1; i < argc; i++) {
|
| 44 |
if (argv[i][0] == '-') {
|
| 45 |
switch (argv[i][1]) {
|
| 46 |
case 't':
|
| 47 |
curtab = argv[i]+2;
|
| 48 |
break;
|
| 49 |
case 'u':
|
| 50 |
unbuff = !unbuff;
|
| 51 |
break;
|
| 52 |
case 'i':
|
| 53 |
switch (argv[i][2]) {
|
| 54 |
case 'f':
|
| 55 |
curbytes = sizeof(float);
|
| 56 |
break;
|
| 57 |
case 'd':
|
| 58 |
curbytes = sizeof(double);
|
| 59 |
break;
|
| 60 |
case 'i':
|
| 61 |
curbytes = sizeof(int);
|
| 62 |
break;
|
| 63 |
case 'w':
|
| 64 |
curbytes = 2;
|
| 65 |
break;
|
| 66 |
case 'b':
|
| 67 |
curbytes = 1;
|
| 68 |
break;
|
| 69 |
case 'a':
|
| 70 |
curbytes = argv[i][3] ? -1 : 0;
|
| 71 |
break;
|
| 72 |
default:
|
| 73 |
goto badopt;
|
| 74 |
}
|
| 75 |
if (isdigit(argv[i][3]))
|
| 76 |
curbytes *= atoi(argv[i]+3);
|
| 77 |
if (abs(curbytes) > MAXLINE) {
|
| 78 |
fputs(argv[0], stderr);
|
| 79 |
fputs(": input size too big\n", stderr);
|
| 80 |
exit(1);
|
| 81 |
}
|
| 82 |
if (curbytes)
|
| 83 |
curtab = "";
|
| 84 |
break;
|
| 85 |
case '\0':
|
| 86 |
tabc[nfiles] = curtab;
|
| 87 |
input[nfiles] = stdin;
|
| 88 |
if (curbytes > 0)
|
| 89 |
SET_FILE_BINARY(input[nfiles]);
|
| 90 |
else
|
| 91 |
curbytes = -curbytes;
|
| 92 |
bytsiz[nfiles++] = curbytes;
|
| 93 |
break;
|
| 94 |
badopt:;
|
| 95 |
default:
|
| 96 |
fputs(argv[0], stderr);
|
| 97 |
fputs(": bad option\n", stderr);
|
| 98 |
exit(1);
|
| 99 |
}
|
| 100 |
} else if (argv[i][0] == '!') {
|
| 101 |
tabc[nfiles] = curtab;
|
| 102 |
if ((input[nfiles] = popen(argv[i]+1, "r")) == NULL) {
|
| 103 |
fputs(argv[i], stderr);
|
| 104 |
fputs(": cannot start command\n", stderr);
|
| 105 |
exit(1);
|
| 106 |
}
|
| 107 |
if (curbytes > 0)
|
| 108 |
SET_FILE_BINARY(input[nfiles]);
|
| 109 |
else
|
| 110 |
curbytes = -curbytes;
|
| 111 |
bytsiz[nfiles++] = curbytes;
|
| 112 |
} else {
|
| 113 |
tabc[nfiles] = curtab;
|
| 114 |
if ((input[nfiles] = fopen(argv[i], "r")) == NULL) {
|
| 115 |
fputs(argv[i], stderr);
|
| 116 |
fputs(": cannot open file\n", stderr);
|
| 117 |
exit(1);
|
| 118 |
}
|
| 119 |
if (curbytes > 0)
|
| 120 |
SET_FILE_BINARY(input[nfiles]);
|
| 121 |
else
|
| 122 |
curbytes = -curbytes;
|
| 123 |
bytsiz[nfiles++] = curbytes;
|
| 124 |
}
|
| 125 |
if (nfiles >= MAXFILE) {
|
| 126 |
fputs(argv[0], stderr);
|
| 127 |
fputs(": too many input streams\n", stderr);
|
| 128 |
exit(1);
|
| 129 |
}
|
| 130 |
}
|
| 131 |
puteol = 0; /* check for ASCII output */
|
| 132 |
for (i = nfiles; i--; )
|
| 133 |
if (!bytsiz[i] || isprint(tabc[i][0]) || tabc[i][0] == '\t') {
|
| 134 |
puteol++;
|
| 135 |
break;
|
| 136 |
}
|
| 137 |
for ( ; ; ) { /* main loop */
|
| 138 |
for (i = 0; i < nfiles; i++) {
|
| 139 |
if (bytsiz[i]) { /* binary file */
|
| 140 |
if (fread(buf, bytsiz[i], 1, input[i]) < 1)
|
| 141 |
break;
|
| 142 |
if (i)
|
| 143 |
fputs(tabc[i], stdout);
|
| 144 |
fwrite(buf, bytsiz[i], 1, stdout);
|
| 145 |
} else {
|
| 146 |
if (fgets(buf, MAXLINE, input[i]) == NULL)
|
| 147 |
break;
|
| 148 |
if (i)
|
| 149 |
fputs(tabc[i], stdout);
|
| 150 |
buf[strlen(buf)-1] = '\0';
|
| 151 |
fputs(buf, stdout);
|
| 152 |
}
|
| 153 |
}
|
| 154 |
if (i < nfiles)
|
| 155 |
break;
|
| 156 |
if (puteol)
|
| 157 |
putchar('\n');
|
| 158 |
if (unbuff)
|
| 159 |
fflush(stdout);
|
| 160 |
}
|
| 161 |
return(0);
|
| 162 |
}
|
