paulgalow · October 13, 2024 17:38 · Apr 15, 2020 · Jan 26, 2019 · Jan 26, 2019
diff --git a/rename-photos-videos-timestamp.sh b/rename-photos-videos-timestamp.sh
@@ -40,7 +40,7 @@ setFileExtension() {
 
 # Retrieve EXIF timestamp from media file
 getTimeStamp() {
-    local -r timestampRaw=$(mdls "$file" | awk '/^kMDItemContentCreationDate / { print $3 " " $4 }')
+    local -r timestampRaw=$(mdls -name kMDItemContentCreationDate -raw "$file" | cut -d ' ' -f -2)
     timestamp=${timestampRaw//:/-}
 }
 

diff --git a/rename-photos-videos-timestamp.sh b/rename-photos-videos-timestamp.sh
@@ -21,7 +21,7 @@ sendNotification() {
     osascript <<-EndOfMessage
     display notification \
     "$1" \
-    with title "Umbenennen (Erstellungsdatum)"
+    with title "Rename (Timestamp)"
 EndOfMessage
 }
 

diff --git a/rename-photos-videos-timestamp.sh b/rename-photos-videos-timestamp.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+
+# macOS Automator script to rename photos/videos based on creation date
+# Blog post: https://paulgalow.com/macos-quick-action-rename-photos-videos-timestamp
+
+export PATH=/usr/bin:/bin:/usr/sbin:/sbin
+
+# Create subfolder to store renamed files
+createDestination() {
+    readonly destination="$(dirname "$file")/sorted"
+    mkdir -p "$destination"
+}
+
+# Check for file MIME type
+hasMIMEType() {
+    file -I "$file" | grep -q "$1"
+}
+
+# Send notification to user
+sendNotification() {
+    osascript <<-EndOfMessage
+    display notification \
+    "$1" \
+    with title "Umbenennen (Erstellungsdatum)"
+EndOfMessage
+}
+
+# Determine file extension
+setFileExtension() {
+    if hasMIMEType "image/jpeg"
+    then
+        extension="jpg"
+    elif hasMIMEType "video/quicktime"
+    then
+        extension="mov"
+    else
+        return 1
+    fi
+}
+
+# Retrieve EXIF timestamp from media file
+getTimeStamp() {
+    local -r timestampRaw=$(mdls "$file" | awk '/^kMDItemContentCreationDate / { print $3 " " $4 }')
+    timestamp=${timestampRaw//:/-}
+}
+
+# Rename file, handle timestamp collisions
+renameFile() {
+    # Exit function if file type is not supported
+    setFileExtension || return 0
+
+    getTimeStamp || return 0
+
+    createDestination || return 1
+
+    # Check if to be renamed file already exists
+    if [[ -f "$destination/$timestamp.$extension" ]]
+    then
+        # If file exists append random string to file
+        local -r randomString=$(md5 -q "$file")
+        cp "$file" "$destination/$timestamp-$randomString.$extension"
+    else
+        cp "$file" "$destination/$timestamp.$extension"
+    fi
+}
+
+# Send notification to user after the process has finished
+presentResults() {
+    # Count files in destination folder
+    local counter=0
+    for file in "$destination"/*.*
+    do
+        (( counter ++ ))
+    done
+
+    # Check if renaming was successful
+    if [ $counter != 0 ] && [ -n "$destination" ]
+    then
+        sendNotification "$counter photos/videos have been renamed. Opening destination folder…"
+        open "$destination"
+    else
+        sendNotification "Could not renamd any photos/videos."
+    fi
+}
+
+# Main loop to collect input files from Automator
+processFiles() {
+    while read -r file; do
+        renameFile
+    done
+}
+
+sendNotification "Processing photos/videos.\\nThis can take a while…"
+
+processFiles
+
+presentResults
+
+exit 0
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