Simple shellcheck wrapper

shellcheck-wrapper

#!/bin/bash

files=()
args=()
hashbang_regexp="^#\\!(/bin/|/usr/bin/env )?(sh|tcsh|csh|dash|bash)"

function lookup() {
  while IFS= read -d $'\0' -r file; do
    if [[ "${file}" =~ ^.*\.(ba|c|da|tc|z)?sh$ ]] \
      || head "${file}" -n 1 | grep -E -q "${hashbang_regexp}"; then
      files=("${files[@]}" "${file}")
    fi
  done < <(find "$1" -type f -print0)
}

for arg in "$@"; do
  if [[ -d "${arg}" ]]; then
    lookup "${arg}"
  elif [[ -f "${arg}" ]]; then
    files=("${files[@]}" "${arg}")
  else
    args=("${args[@]}" "${arg}")
  fi

  shift
done

shellcheck "${args[@]}" "${files[@]}"