Add support for multiple files at the sime time

README.md

@@ -1,5 +1,5 @@
 # fsub
-`fsub` is a very simple script (less than 50 lines of code) for cleaning a .srt file
+`fsub` is a very simple script (less than 60 lines of code) for cleaning a .srt file
 
 # Usage
 `fsub <file>`

fsub

@@ -4,16 +4,27 @@ set -e
 FSUBRC=~/.config/fsubrc
 
 usage() {
-	echo "usage: fsub <file>"
+	echo "usage: fsub <files>"
 	echo "fsub expects $FSUBRC to have a blacklist of words"
 	exit 1
 }
 
 [ -z "$1" ] && usage
-[ -f "$1" ] || usage
-[ -z "$2" ] || usage
+
+for arg in "$@"; do
+	if [ ! -f "$arg" ]; then
+		echo "$arg is not a file"
+		usage
+	fi
+	if [ "${arg: -4}" != ".srt" ]; then
+		echo "$arg is not a .srt file"
+		usage
+	fi
+done
+
 [ -f "$FSUBRC" ] || touch $FSUBRC
 
+for arg in "$@"; do
 	awk '
 	BEGIN {
 		n = 1
@@ -43,5 +54,6 @@ BEGIN {
 		print time
 		for(j = 0; j < linen; j++)
 			print lines[j]
-}' "$1" | sed 's/\r//' > /tmp/fsub
-mv /tmp/fsub "$1"
+	}' "$arg" | sed 's/\r//' > /tmp/fsub
+	mv /tmp/fsub "$arg"
+done