feat: improved pdf page count script

scripts/pdf-page-count

@@ -1,16 +1,20 @@
 #!/bin/sh
 
 if [[ -n $1 ]]; then
-    echo "File contains $(pdfinfo $1 | awk '/^Pages:/ {print $2}') pages"
+	echo "File contains $(pdfinfo $1 | awk '/^Pages:/ {print $2}') pages"
 else
-    total=0
-    for file in *.pdf; do
-        count=$(pdfinfo $file | awk '/^Pages:/ {print $2}')
-        echo "$count pages in $file"
-        total=$(($total + count))
-    done
+	total=0
+	count=0
+	for file in *.pdf; do
+		count_file=$(pdfinfo $file | awk '/^Pages:/ {print $2}')
+		echo "$count_file pages in $file"
+		total=$(($total + count_file))
+        count=$((count + 1))
+	done
 
-    echo "
-Total page count is $total
+	echo "
+-> Total page count: $total
+-> Total files: $count
+-> Median: $(($total / $count))
 "
 fi