Bash script to prepend a file with the date

bin/prefix-date

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+function datemv {
+    if [[ $(basename "$1") == $(stat -c "%y" "$1" | cut -d " " -f1)* ]]; then
+        echo "Do nothing with '$1'"
+    else
+        mv -v "$1" "$(dirname "$1")/$(stat -c "%y" "$1" | cut -d " " -f1)_$(basename "$1")"
+    fi
+}
+
+if [ -d $1 ]; then
+    for file in $(find "$1" -type f | grep -vP "\/\d{4}-\d{2}-\d{2}"); do
+        datemv "$file"
+    done
+else
+    echo "Directory not found '$1'"
+    exit
+fi
+