Pushing everything

scripts/shell/ffmpeg-extract-first-frame-from-video.sh

@@ -5,7 +5,7 @@ filename=$1
 if [ -z "$filename" ]; then
   echo "You must provide a file for the script."
   echo "Example:"
-  echo "     `basename $0` foo.mp4"
+  echo "     $(basename $0) foo.mp4"
   exit 1
 fi
 
@@ -14,6 +14,8 @@ if [ ! -f "$filename" ]; then
   exit 1
 fi
 
-friendly_filename=`sed -E 's/[^[:alnum:][:space:]]+/_/g' <<< "$filename"`
+friendly_filename=$(sed -E 's/[^[:alnum:][:space:]]+/_/g' <<<"$filename")
 
-ffmpeg -i $filename -vframes 1 ${friendly_filename}-image.png
+command="ffmpeg -i $filename -vframes 1 ${friendly_filename}-image.png"
+echo $command
+$command