https://github.com/lydell/dotfiles/blob/330e9245ba8f820e2459a876d31cad78a49215b3/bin/pre polished

wrg

#!/usr/bin/env bash

seenReplace=''

for arg in "$@"; do
  if test "$arg" == '--replace'; then
    seenReplace='true'
    break
  fi
done

if test -z "$seenReplace"; then
  echo 'You must specify the --replace argument!'
  exit 1
fi

currentFile=''
didChange=''

(
  rg \
    --context 999999 \
    --with-filename --heading --null \
    --color=never --no-line-number \
    "$@"
  echo -e '\n\0'
) |
{
  while IFS= read -r -d '' part; do
    if test -n "$currentFile"; then
      echo "$currentFile"
      head -n -2 <<< "$part" > "$currentFile"
      didChange='true'
    fi
    currentFile="$(tail -n 1 <<< "$part")"
  done

  if test -z "$didChange"; then
    echo "No files were changed."
    exit 1
  fi
}