#!/usr/bin/env bash

PATTERN="eslint"
FILES="$(fd .)" # Or use 'find .' to search recursively

for file in $FILES; do
  if [[ -f "$file" ]]; then
    # 1. Use rg with line numbers (-n) and only the matched line (-o)
    # 2. Use awk to print ONLY the line number (field 1)
    # 3. Use xargs to pass multiple line numbers to a single sed command

    LINE_NUMBERS=$(rg --line-number --no-filename "$PATTERN" "$file" | awk -F':' '{print $1}' | tr '\n' ',')

    # Remove trailing comma if any
    LINE_NUMBERS=${LINE_NUMBERS%,}

    if [[ -n "$LINE_NUMBERS" ]]; then
      echo "Deleting lines $LINE_NUMBERS from $file..."

      # Use sed to delete the specified comma-separated line numbers in-place (-i)
      # NOTE: The syntax for -i might vary slightly between GNU sed (Linux) and BSD sed (macOS).
      sed -i.bak "${LINE_NUMBERS}d" "$file"

      # Optional: Remove the backup file created by sed -i.bak
      # rm "${file}.bak"
    else
      echo "$file: No lines matching pattern found."
    fi
  fi
done