1 files changed, 58 insertions, 0 deletions
diff --git a/utilities/sub.c b/utilities/sub.c
new file mode 100644
index 0000000..f6eb6df
--- /dev/null
+++ b/utilities/sub.c
@@ -0,0 +1,58 @@
+/******************************************************************************
+ * This little utility substitutes all occurances of a string with another
+ * string.  Is this useful?  Maybe not.  But it's been here since r2 so
+ * it seems a shame to remove it :)  Currently not built by build system
+ *
+ * $Id: sub.c 2327 2009-04-22 11:42:33Z scribe $
+ *
+ * Copyright 1998-2009 CrossWire Bible Society (http://www.crosswire.org)
+ *	CrossWire Bible Society
+ *	P. O. Box 2528
+ *	Tempe, AZ  85280-2528
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+main(int argc, char **argv)
+{
+	FILE *fp;
+	char *buf;
+	int size;
+
+	if ((argc < 3) || (argc > 4)) {
+		fprintf(stderr, "usage: %s <string> <substitute string> [filename]\n", *argv);
+		exit(-1);
+	}
+
+	if (argc > 3)
+		fp = fopen(argv[3], "r");
+	else	fp = stdin;
+
+	size = strlen(argv[1]);
+	buf = (char *)calloc(size + 1, 1);
+
+	while ((buf[size - 1] = fgetc(fp)) != EOF) {
+		if (!strcmp(buf, argv[1])) {
+			printf("\n%s", argv[2]);
+			memset(buf, 0, size);
+			continue;
+		}
+		if (*buf) {
+			printf("%c", *buf);
+		}
+		memmove(buf, &buf[1], size);
+	}
+	buf[size - 1] = 0;
+	printf("%s", buf);
+}