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#ifndef lint |
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static const char RCSid[] = "$Id: lam.c,v 1.2 2003/06/08 12:03:09 schorsch Exp $"; |
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#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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|
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdio.h> |
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|
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#include "platform.h" |
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#include "rtprocess.h" |
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|
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#define MAXFILE 16 /* maximum number of files */ |
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|
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#define MAXLINE 512 /* maximum input line */ |
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|
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FILE *input[MAXFILE]; |
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int tabc[MAXFILE]; |
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int nfiles; |
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|
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char buf[MAXLINE]; |
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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register int i; |
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int curtab; |
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int running; |
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|
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curtab = '\t'; |
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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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curtab = argv[i][2]; |
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break; |
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case '\0': |
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tabc[nfiles] = curtab; |
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input[nfiles++] = stdin; |
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break; |
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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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} |
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} else if (argv[i][0] == '!') { |
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tabc[nfiles] = curtab; |
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if ((input[nfiles++] = popen(argv[i]+1, "r")) == NULL) { |
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fputs(argv[i], stderr); |
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fputs(": cannot start command\n", stderr); |
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exit(1); |
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} |
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} else { |
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tabc[nfiles] = curtab; |
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if ((input[nfiles++] = fopen(argv[i], "r")) == NULL) { |
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fputs(argv[i], stderr); |
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fputs(": cannot open file\n", stderr); |
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exit(1); |
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} |
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} |
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if (nfiles >= MAXFILE) { |
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fputs(argv[0], stderr); |
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fputs(": too many input streams\n", stderr); |
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exit(1); |
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} |
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} |
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|
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do { |
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running = 0; |
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for (i = 0; i < nfiles; i++) { |
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if (fgets(buf, MAXLINE, input[i]) != NULL) { |
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if (i) |
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putchar(tabc[i]); |
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buf[strlen(buf)-1] = '\0'; |
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fputs(buf, stdout); |
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running++; |
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} |
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} |
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if (running) |
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putchar('\n'); |
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} while (running); |
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|
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exit(0); |
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} |
