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authorRoberto C. Sanchez <roberto@connexer.com>2014-03-29 10:54:01 -0400
committerRoberto C. Sanchez <roberto@connexer.com>2014-03-29 10:54:01 -0400
commit71a39f4652cd51df814c930dd268f3c9ad2aee86 (patch)
tree5994350a603908c4e4d660bc9d72c4ec43dd648e /utilities/sub.c
parent03134fa5f6f25d92724ce4c183f9bbe12a9e37dc (diff)
Imported Upstream version 1.6.0+dfsg
Diffstat (limited to 'utilities/sub.c')
-rw-r--r--utilities/sub.c58
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);
+}