125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
/*
|
|
* rename.c - aeb 2000-01-01
|
|
*
|
|
--------------------------------------------------------------
|
|
#!/bin/sh
|
|
if [ $# -le 2 ]; then echo call: rename from to files; exit; fi
|
|
FROM="$1"
|
|
TO="$2"
|
|
shift
|
|
shift
|
|
for i in $@; do N=`echo "$i" | sed "s/$FROM/$TO/g"`; mv "$i" "$N"; done
|
|
--------------------------------------------------------------
|
|
* This shell script will do renames of files, but may fail
|
|
* in cases involving special characters. Here a C version.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <getopt.h>
|
|
|
|
#include "nls.h"
|
|
#include "xalloc.h"
|
|
#include "c.h"
|
|
|
|
static int do_rename(char *from, char *to, char *s, int verbose)
|
|
{
|
|
char *newname, *where, *p, *q;
|
|
int flen, tlen, slen;
|
|
|
|
where = strstr(s, from);
|
|
if (where == NULL)
|
|
return 0;
|
|
|
|
flen = strlen(from);
|
|
tlen = strlen(to);
|
|
slen = strlen(s);
|
|
newname = xmalloc(tlen + slen + 1);
|
|
|
|
p = s;
|
|
q = newname;
|
|
while (p < where)
|
|
*q++ = *p++;
|
|
p = to;
|
|
while (*p)
|
|
*q++ = *p++;
|
|
p = where + flen;
|
|
while (*p)
|
|
*q++ = *p++;
|
|
*q = 0;
|
|
|
|
if (rename(s, newname) != 0)
|
|
err(EXIT_FAILURE, _("renaming %s to %s failed"),
|
|
s, newname);
|
|
if (verbose)
|
|
printf("`%s' -> `%s'\n", s, newname);
|
|
|
|
free(newname);
|
|
return 1;
|
|
}
|
|
|
|
static void __attribute__ ((__noreturn__)) usage(FILE * out)
|
|
{
|
|
fputs(_("\nUsage:\n"), out);
|
|
fprintf(out,
|
|
_(" %s [options] expression replacement file...\n"),
|
|
program_invocation_short_name);
|
|
|
|
fputs(_("\nOptions:\n"), out);
|
|
fputs(_(" -v, --verbose explain what is being done\n"
|
|
" -V, --version output version information and exit\n"
|
|
" -h, --help display this help and exit\n\n"), out);
|
|
|
|
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *from, *to;
|
|
int i, c, verbose = 0;
|
|
|
|
static const struct option longopts[] = {
|
|
{"verbose", no_argument, NULL, 'v'},
|
|
{"version", no_argument, NULL, 'V'},
|
|
{"help", no_argument, NULL, 'h'},
|
|
{NULL, 0, NULL, 0}
|
|
};
|
|
|
|
setlocale(LC_ALL, "");
|
|
bindtextdomain(PACKAGE, LOCALEDIR);
|
|
textdomain(PACKAGE);
|
|
|
|
while ((c = getopt_long(argc, argv, "vVh", longopts, NULL)) != -1)
|
|
switch (c) {
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 'V':
|
|
printf(_("%s from %s\n"),
|
|
program_invocation_short_name,
|
|
PACKAGE_STRING);
|
|
return EXIT_SUCCESS;
|
|
case 'h':
|
|
usage(stdout);
|
|
default:
|
|
usage(stderr);
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc < 3) {
|
|
warnx("not enough arguments");
|
|
usage(stderr);
|
|
}
|
|
|
|
from = argv[0];
|
|
to = argv[1];
|
|
|
|
for (i = 2; i < argc; i++)
|
|
do_rename(from, to, argv[i], verbose);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|