Imported Upstream version 2.22upstream/2.22upstream

1 files changed, 126 insertions, 0 deletions

diff --git a/misc-utils/rename.c b/misc-utils/rename.c
new file mode 100644
index 0000000..b17e03b
--- /dev/null
+++ b/misc-utils/rename.c
@@ -0,0 +1,126 @@
+/*
+ * 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"
+#include "closestream.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);
+	atexit(close_stdout);
+
+	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;
+}