replace

replace

#!/bin/bash

# Find and replace by a given list of files supporting multiline matching.
#
# Usage: replace "find_pattern" "replace_with" **/*.rb

find_this="$1"
shift
replace_with="$1"
shift

if command -v rg &>/dev/null ; then
  items=$(rg -l --color never "$find_this" "$@")
else
  items=$(ag -l --nocolor "$find_this" "$@")
fi

temp="${TMPDIR:-/tmp}/replace_temp_file.$$"
IFS=$'\n'
for item in $items; do
  # Use sed to perform multiline replacement
  sed -z "s/$find_this/$replace_with/g" "$item" > "$temp" && mv "$temp" "$item"
done