upload the project

rename.sh

@@ -0,0 +1,27 @@
+#!/etc/profiles/per-user/tomasr/bin/zsh
+
+set -euo pipefail
+
+DIR="${1:-.}"
+
+find "$DIR" -maxdepth 1 -type f | while read -r file; do
+    filename=$(basename "$file")
+
+    if [[ "$filename" == *.* ]]; then
+        ext=".${filename##*.}"
+    else
+        ext=""
+    fi
+
+    date=$(date -d "@$(stat -c %Y "$file")" +%F)
+
+    newname="${date}${ext}"
+
+    n=1
+    while [[ -e "$DIR/$newname" && "$filename" != "$newname" ]]; do
+        newname="${date}_$n${ext}"
+        ((n++))
+    done
+
+    mv -- "$file" "$DIR/$newname"
+done