adjust cli output formatting

extract.sh

@@ -1,17 +1,15 @@
 #!/bin/bash
 
 image=$1
+grep_for=$2
 extract_to=images/$image
 
-tar_file=image.tar
-echo "Extracting $image to $extract_to"
+echo "Extracting $image to $extract_to\n"
 
 mkdir -p $extract_to
 docker save $image | tar -C $extract_to -xvf -
 
-grep_for=$2
-
-echo "Finding $grep_for in $extract_to..."
+echo "\nFinding $grep_for in $extract_to\n"
 echo "Found $grep_for in:"
 
 grep -r $grep_for $extract_to