added script to rename files

Author: johnfkraus

.gitignore

@@ -6,3 +6,4 @@ node_modules
 package.json
 photos/
 archives/
+album-photos/renamed/

album-photos/script.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# rename files for photo album app
+# Original filenames expected to be formatted as name.number.jpg.
+#
+for file in *.jpg *.png *.jpeg; do # Add other extensions as needed
+  if [ -f "$file" ]; then
+    dimensions=$(identify -format "%wx%h" "$file")
+    # echo "${dimensions}"
+    width=$(identify -format "%w" "$file")
+    # echo "${width}"
+    delimiter='.'
+    # Temporarily set IFS to the delimiter and use read to populate an array
+    IFS="$delimiter" read -ra my_array <<< "$file"
+    # echo "my_array: ${my_array[@]}"
+    array_len="${#my_array[@]}"
+
+    if [[ $array_len -lt 3 ]]; then
+      echo "error, filename is too short: ${my_array[@]}"
+
+    else
+      new_filename="${my_array[0]}.${my_array[1]}.${dimensions}.${width}w.${my_array[2]}"
+      echo "${new_filename}"
+      mv "$file" "renamed/$new_filename"
+    fi
+  fi
+done