src/cal/lam.c

#ifndef lint
static const char       RCSid[] = "$Id: lam.c,v 1.7 2005/09/25 20:36:02 greg Exp $";
#endif
/*
 *  lam.c - simple program to laminate files.
 *
 *      7/14/88         Greg Ward
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>

#include "platform.h"
#include "rtprocess.h"

#define MAXFILE         512             /* maximum number of files */

#define MAXLINE         4096            /* maximum input line */

FILE    *input[MAXFILE];
int     bytsiz[MAXFILE];
char    *tabc[MAXFILE];
int     nfiles;

char    buf[MAXLINE];

int
main(argc, argv)
int     argc;
char    *argv[];
{
        register int    i;
        char    *curtab;
        int     curbytes;
        int     running, puteol;

        curtab = "\t";
        curbytes = 0;
        nfiles = 0;
        for (i = 1; i < argc; i++) {
                if (argv[i][0] == '-') {
                        switch (argv[i][1]) {
                        case 't':
                                curtab = argv[i]+2;
                                break;
                        case 'i':
                                switch (argv[i][2]) {
                                case 'f':
                                        curbytes = sizeof(float);
                                        break;
                                case 'd':
                                        curbytes = sizeof(double);
                                        break;
                                case 'w':
                                        curbytes = sizeof(int);
                                        break;
                                case 'a':
                                        curbytes = argv[i][3] ? 1 : 0;
                                        break;
                                default:
                                        goto badopt;
                                }
                                if (isdigit(argv[i][3]))
                                        curbytes *= atoi(argv[i]+3);
                                if (curbytes < 0 || curbytes > MAXLINE) {
                                        fputs(argv[0], stderr);
                                        fputs(": illegal input size\n", stderr);
                                        exit(1);
                                }
                                if (curbytes)
                                        curtab = "";
                                break;
                        case '\0':
                                tabc[nfiles] = curtab;
                                bytsiz[nfiles] = curbytes;
                                input[nfiles++] = stdin;
                                break;
                        badopt:;
                        default:
                                fputs(argv[0], stderr);
                                fputs(": bad option\n", stderr);
                                exit(1);
                        }
                } else if (argv[i][0] == '!') {
                        tabc[nfiles] = curtab;
                        bytsiz[nfiles] = curbytes;
                        if ((input[nfiles++] = popen(argv[i]+1, "r")) == NULL) {
                                fputs(argv[i], stderr);
                                fputs(": cannot start command\n", stderr);
                                exit(1);
                        }
                } else {
                        tabc[nfiles] = curtab;
                        bytsiz[nfiles] = curbytes;
                        if ((input[nfiles++] = fopen(argv[i], "r")) == NULL) {
                                fputs(argv[i], stderr);
                                fputs(": cannot open file\n", stderr);
                                exit(1);
                        }
                }
                if (nfiles >= MAXFILE) {
                        fputs(argv[0], stderr);
                        fputs(": too many input streams\n", stderr);
                        exit(1);
                }
        }
        puteol = 0;                             /* check for tab character */
        for (i = nfiles; i--; )
                if (isprint(tabc[i][0]) || tabc[i][0] == '\t') {
                        puteol++;
                        break;
                }
        do {
                running = 0;
                for (i = 0; i < nfiles; i++) {
                        if (bytsiz[i]) {                /* binary file */
                                if (fread(buf, bytsiz[i], 1, input[i]) == 1) {
                                        if (i)
                                                fputs(tabc[i], stdout);
                                        fwrite(buf, bytsiz[i], 1, stdout);
                                        running++;
                                }
                        } else if (fgets(buf, MAXLINE, input[i]) != NULL) {
                                if (i)
                                        fputs(tabc[i], stdout);
                                buf[strlen(buf)-1] = '\0';
                                fputs(buf, stdout);
                                puteol++;
                                running++;
                        }
                }
                if (running && puteol)
                        putchar('\n');
        } while (running);

        exit(0);
}
Revision:	1.8
Committed:	Wed Oct 5 05:20:50 2005 UTC (20 years, 1 month ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 1.7:	+3 -1 lines
Log Message:	Made empty string default separator for binary input
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2	greg	1.8	static const char RCSid[] = "$Id: lam.c,v 1.7 2005/09/25 20:36:02 greg Exp $";
3	greg	1.1	#endif
4			/*
5			* lam.c - simple program to laminate files.
6			*
7			* 7/14/88 Greg Ward
8			*/
9
10	schorsch	1.2	#include <stdlib.h>
11			#include <string.h>
12	greg	1.1	#include <stdio.h>
13	greg	1.7	#include <ctype.h>
14	schorsch	1.2
15			#include "platform.h"
16	schorsch	1.3	#include "rtprocess.h"
17	greg	1.1
18	greg	1.7	#define MAXFILE 512 /* maximum number of files */
19	greg	1.1
20	greg	1.7	#define MAXLINE 4096 /* maximum input line */
21	greg	1.1
22			FILE *input[MAXFILE];
23	greg	1.7	int bytsiz[MAXFILE];
24	greg	1.6	char *tabc[MAXFILE];
25	greg	1.1	int nfiles;
26
27			char buf[MAXLINE];
28
29	schorsch	1.4	int
30	greg	1.1	main(argc, argv)
31			int argc;
32			char *argv[];
33			{
34			register int i;
35	greg	1.6	char *curtab;
36	greg	1.7	int curbytes;
37			int running, puteol;
38	greg	1.1
39	greg	1.6	curtab = "\t";
40	greg	1.7	curbytes = 0;
41	greg	1.1	nfiles = 0;
42			for (i = 1; i < argc; i++) {
43			if (argv[i][0] == '-') {
44			switch (argv[i][1]) {
45			case 't':
46	greg	1.6	curtab = argv[i]+2;
47	greg	1.1	break;
48	greg	1.7	case 'i':
49			switch (argv[i][2]) {
50			case 'f':
51			curbytes = sizeof(float);
52			break;
53			case 'd':
54			curbytes = sizeof(double);
55			break;
56			case 'w':
57			curbytes = sizeof(int);
58			break;
59			case 'a':
60			curbytes = argv[i][3] ? 1 : 0;
61			break;
62			default:
63			goto badopt;
64			}
65			if (isdigit(argv[i][3]))
66			curbytes *= atoi(argv[i]+3);
67			if (curbytes < 0 \|\| curbytes > MAXLINE) {
68			fputs(argv[0], stderr);
69			fputs(": illegal input size\n", stderr);
70			exit(1);
71			}
72	greg	1.8	if (curbytes)
73			curtab = "";
74	greg	1.7	break;
75	greg	1.1	case '\0':
76			tabc[nfiles] = curtab;
77	greg	1.7	bytsiz[nfiles] = curbytes;
78	greg	1.1	input[nfiles++] = stdin;
79			break;
80	greg	1.7	badopt:;
81	greg	1.1	default:
82			fputs(argv[0], stderr);
83			fputs(": bad option\n", stderr);
84			exit(1);
85			}
86			} else if (argv[i][0] == '!') {
87			tabc[nfiles] = curtab;
88	greg	1.7	bytsiz[nfiles] = curbytes;
89	greg	1.1	if ((input[nfiles++] = popen(argv[i]+1, "r")) == NULL) {
90			fputs(argv[i], stderr);
91			fputs(": cannot start command\n", stderr);
92			exit(1);
93			}
94			} else {
95			tabc[nfiles] = curtab;
96	greg	1.7	bytsiz[nfiles] = curbytes;
97	greg	1.1	if ((input[nfiles++] = fopen(argv[i], "r")) == NULL) {
98			fputs(argv[i], stderr);
99			fputs(": cannot open file\n", stderr);
100			exit(1);
101			}
102			}
103			if (nfiles >= MAXFILE) {
104			fputs(argv[0], stderr);
105			fputs(": too many input streams\n", stderr);
106			exit(1);
107			}
108			}
109	greg	1.7	puteol = 0; /* check for tab character */
110			for (i = nfiles; i--; )
111			if (isprint(tabc[i][0]) \|\| tabc[i][0] == '\t') {
112			puteol++;
113			break;
114			}
115	greg	1.1	do {
116			running = 0;
117			for (i = 0; i < nfiles; i++) {
118	greg	1.7	if (bytsiz[i]) { /* binary file */
119			if (fread(buf, bytsiz[i], 1, input[i]) == 1) {
120			if (i)
121			fputs(tabc[i], stdout);
122			fwrite(buf, bytsiz[i], 1, stdout);
123			running++;
124			}
125			} else if (fgets(buf, MAXLINE, input[i]) != NULL) {
126	greg	1.1	if (i)
127	greg	1.6	fputs(tabc[i], stdout);
128	greg	1.1	buf[strlen(buf)-1] = '\0';
129			fputs(buf, stdout);
130	greg	1.7	puteol++;
131	greg	1.1	running++;
132			}
133			}
134	greg	1.7	if (running && puteol)
135	greg	1.1	putchar('\n');
136			} while (running);
137
138			exit(0);
139			}