grepc, grepc.1: -x: Add option to edit file extension

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

1 files changed, 10 insertions, 3 deletions

diff --git a/bin/grepc b/bin/grepc
index 3d78821..0bcc112 100755
--- a/bin/grepc
+++ b/bin/grepc
@@ -1,20 +1,27 @@
 #!/bin/sh
 
 
+# Defaults:
+ext='\.[ch]$';
+
+
 grepc_usage()
 {
-	echo "Usage: $0 [OPTION] IDENTIFIER";
+	echo "Usage: $0 [OPTION ...] IDENTIFIER";
 }
 
 
 grepc_parse_cmd()
 {
-	while getopts "h" opt; do
+	while getopts "hx:" opt; do
 		case "$opt" in
 		h)
 			grepc_usage;
 			exit 0;
 			;;
+		x)
+			ext="$OPTARG";
+			;;
 		?)
 			grepc_usage >&2;
 			exit 1;
@@ -36,7 +43,7 @@ grepc_find_files()
 	files="$(mktemp -t 'grepc.XXXXXX')";
 
 	find . -type f \
-	| grep -P '\.[ch]' \
+	| grep -P "$ext" \
 	| xargs grep -lPI "$1\b" \
 	>"$files";
 }