Re-enumerate all elements in a folder (used for Shutter specifications)

shutter_recount.md

$ i=1; for f in *; do mv "$f" "$(printf "%02i%s" "$i" "${f#[0-9][0-9]}")"; ((i++)); done;

Ref:

• https://gist.github.com/larshaendler/3c477182717d32a4fc64070c283d24ad
• https://unix.stackexchange.com/questions/281794/bash-file-mass-rename-with-counter