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greg |
1.1 |
#ifndef lint |
2 |
greg |
1.11 |
static const char RCSid[] = "$Id: lam.c,v 1.10 2010/06/18 01:12:57 greg Exp $"; |
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greg |
1.1 |
#endif |
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/* |
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* lam.c - simple program to laminate files. |
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* |
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* 7/14/88 Greg Ward |
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*/ |
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schorsch |
1.2 |
#include <stdlib.h> |
11 |
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#include <string.h> |
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greg |
1.1 |
#include <stdio.h> |
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greg |
1.7 |
#include <ctype.h> |
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schorsch |
1.2 |
|
15 |
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#include "platform.h" |
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schorsch |
1.3 |
#include "rtprocess.h" |
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greg |
1.1 |
|
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greg |
1.7 |
#define MAXFILE 512 /* maximum number of files */ |
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greg |
1.1 |
|
20 |
greg |
1.7 |
#define MAXLINE 4096 /* maximum input line */ |
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greg |
1.1 |
|
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FILE *input[MAXFILE]; |
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greg |
1.7 |
int bytsiz[MAXFILE]; |
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greg |
1.6 |
char *tabc[MAXFILE]; |
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greg |
1.1 |
int nfiles; |
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char buf[MAXLINE]; |
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schorsch |
1.4 |
int |
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greg |
1.1 |
main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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greg |
1.11 |
int unbuff = 0; |
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int i; |
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greg |
1.6 |
char *curtab; |
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greg |
1.7 |
int curbytes; |
38 |
greg |
1.11 |
int puteol; |
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greg |
1.1 |
|
40 |
greg |
1.6 |
curtab = "\t"; |
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greg |
1.7 |
curbytes = 0; |
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greg |
1.1 |
nfiles = 0; |
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for (i = 1; i < argc; i++) { |
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if (argv[i][0] == '-') { |
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switch (argv[i][1]) { |
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case 't': |
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greg |
1.6 |
curtab = argv[i]+2; |
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greg |
1.1 |
break; |
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greg |
1.11 |
case 'u': |
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unbuff = !unbuff; |
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break; |
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greg |
1.7 |
case 'i': |
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switch (argv[i][2]) { |
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case 'f': |
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curbytes = sizeof(float); |
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break; |
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case 'd': |
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curbytes = sizeof(double); |
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break; |
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greg |
1.10 |
case 'i': |
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curbytes = sizeof(int); |
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break; |
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greg |
1.7 |
case 'w': |
64 |
greg |
1.10 |
curbytes = 2; |
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break; |
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case 'b': |
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curbytes = 1; |
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greg |
1.7 |
break; |
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case 'a': |
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curbytes = argv[i][3] ? 1 : 0; |
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break; |
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default: |
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goto badopt; |
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} |
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if (isdigit(argv[i][3])) |
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curbytes *= atoi(argv[i]+3); |
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if (curbytes < 0 || curbytes > MAXLINE) { |
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fputs(argv[0], stderr); |
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fputs(": illegal input size\n", stderr); |
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exit(1); |
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} |
82 |
greg |
1.8 |
if (curbytes) |
83 |
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curtab = ""; |
84 |
greg |
1.7 |
break; |
85 |
greg |
1.1 |
case '\0': |
86 |
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tabc[nfiles] = curtab; |
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greg |
1.7 |
bytsiz[nfiles] = curbytes; |
88 |
greg |
1.1 |
input[nfiles++] = stdin; |
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break; |
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greg |
1.7 |
badopt:; |
91 |
greg |
1.1 |
default: |
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fputs(argv[0], stderr); |
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fputs(": bad option\n", stderr); |
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exit(1); |
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} |
96 |
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} else if (argv[i][0] == '!') { |
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tabc[nfiles] = curtab; |
98 |
greg |
1.7 |
bytsiz[nfiles] = curbytes; |
99 |
greg |
1.9 |
if ((input[nfiles] = popen(argv[i]+1, "r")) == NULL) { |
100 |
greg |
1.1 |
fputs(argv[i], stderr); |
101 |
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fputs(": cannot start command\n", stderr); |
102 |
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exit(1); |
103 |
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} |
104 |
greg |
1.9 |
if (bytsiz[nfiles]) |
105 |
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SET_FILE_BINARY(input[nfiles]); |
106 |
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++nfiles; |
107 |
greg |
1.1 |
} else { |
108 |
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tabc[nfiles] = curtab; |
109 |
greg |
1.7 |
bytsiz[nfiles] = curbytes; |
110 |
greg |
1.9 |
if ((input[nfiles] = fopen(argv[i], "r")) == NULL) { |
111 |
greg |
1.1 |
fputs(argv[i], stderr); |
112 |
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fputs(": cannot open file\n", stderr); |
113 |
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exit(1); |
114 |
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} |
115 |
greg |
1.9 |
if (bytsiz[nfiles]) |
116 |
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SET_FILE_BINARY(input[nfiles]); |
117 |
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++nfiles; |
118 |
greg |
1.1 |
} |
119 |
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if (nfiles >= MAXFILE) { |
120 |
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fputs(argv[0], stderr); |
121 |
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fputs(": too many input streams\n", stderr); |
122 |
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exit(1); |
123 |
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} |
124 |
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} |
125 |
greg |
1.11 |
puteol = 0; /* check for ASCII output */ |
126 |
greg |
1.7 |
for (i = nfiles; i--; ) |
127 |
greg |
1.11 |
if (!bytsiz[i] || isprint(tabc[i][0]) || tabc[i][0] == '\t') { |
128 |
greg |
1.7 |
puteol++; |
129 |
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break; |
130 |
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} |
131 |
greg |
1.11 |
for ( ; ; ) { /* main loop */ |
132 |
greg |
1.1 |
for (i = 0; i < nfiles; i++) { |
133 |
greg |
1.7 |
if (bytsiz[i]) { /* binary file */ |
134 |
greg |
1.11 |
if (fread(buf, bytsiz[i], 1, input[i]) < 1) |
135 |
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break; |
136 |
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if (i) |
137 |
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fputs(tabc[i], stdout); |
138 |
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fwrite(buf, bytsiz[i], 1, stdout); |
139 |
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} else { |
140 |
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if (fgets(buf, MAXLINE, input[i]) == NULL) |
141 |
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break; |
142 |
greg |
1.1 |
if (i) |
143 |
greg |
1.6 |
fputs(tabc[i], stdout); |
144 |
greg |
1.1 |
buf[strlen(buf)-1] = '\0'; |
145 |
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fputs(buf, stdout); |
146 |
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} |
147 |
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} |
148 |
greg |
1.11 |
if (i < nfiles) |
149 |
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break; |
150 |
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if (puteol) |
151 |
greg |
1.1 |
putchar('\n'); |
152 |
greg |
1.11 |
if (unbuff) |
153 |
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fflush(stdout); |
154 |
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} |
155 |
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return(0); |
156 |
greg |
1.1 |
} |