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cnewssrc
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cnews.orig.lzh
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batch
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batcher.c
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C/C++ Source or Header
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1989-06-27
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3KB
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132 lines
/*
* batcher - send a bunch of news articles as an unbatch script
*
* Usage: batcher [-d dir] listfile
*
* where listfile is a file containing a list, one per line, of
* full pathnames of files containing articles. Only the first
* field of each line is looked at, so there can be more if needed
* for other things.
*
* The -d option specifies a directory where most articles are
* likely to be; the program chdirs there to speed things up.
*/
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "fgetmfs.h"
#ifndef READSIZE
#define READSIZE 8192 /* allows for even 4.2 worst case file systems */
#endif
char buffer[READSIZE];
char *progname;
char *dir = NULL; /* NULL means don't bother chdiring. */
int dirlen; /* strlen(dir) */
int debug = 0; /* Debugging? */
main(argc, argv)
int argc;
char *argv[];
{
int c;
int errflg = 0;
extern int optind;
extern char *optarg;
register FILE *list;
char *article;
int ret;
progname = argv[0];
while ((c = getopt(argc, argv, "d:x")) != EOF)
switch (c) {
case 'd': /* Directory containing many articles. */
dir = optarg;
dirlen = strlen(dir);
break;
case 'x': /* Debugging. */
debug++;
break;
case '?':
default:
errflg++;
break;
}
if (errflg || optind != argc-1) {
(void) fprintf(stderr,
"Usage: batcher [-d dir] listfile\n");
exit(2);
}
list = fopen(argv[optind], "r");
if (list == NULL)
error("unable to open `%s'", argv[optind]);
if (dir != NULL)
if (chdir(dir) < 0)
error("can't chdir to `%s'", dir);
while ((article = fgetms(list)) != NULL) {
process(article);
free(article);
}
if (!feof(list))
error("fgetmfs failure", "");
exit(0);
}
/*
- process - process an article
*/
process(article)
char *article;
{
char *p;
register int artfile;
register int count;
struct stat sbuf;
*(article + strcspn(article, "\n\t ")) = '\0';
if (dir != NULL && strncmp(article, dir, dirlen) == 0 &&
article[dirlen] == '/')
p = article+dirlen+1;
else
p = article;
artfile = open(p, 0);
if (artfile < 0) {
/*
* Can't read the article. This isn't necessarily a
* disaster, since things like cancellations will do
* this. Mumble and carry on.
*/
if (debug)
warning("can't find `%s'", p);
return;
}
if (fstat(artfile, &sbuf) < 0)
error("internal disaster, can't fstat", "");
if ((sbuf.st_mode&S_IFMT) != S_IFREG) {
close(artfile);
return; /* Don't try to batch directories etc. */
}
(void) printf("#! rnews %ld\n", sbuf.st_size);
fflush(stdout);
while ((count = read(artfile, buffer, sizeof buffer)) > 0)
if (write(1, buffer, count) != count)
error("write failure in `%s'", article);
if (count < 0)
error("read failure in `%s'", article);
(void) close(artfile);
}