a bit shellish

quick-and-easy-shell-check.sh

#!/bin/sh
{
  set -e;
  DKCMD=$(which docker);
  ## gcc, json, check
  ${FORMAT:-"gcc"};
  ${VERSION:-"v0.4.7"};
  ${FILE:-"not-magic-logic-based-scripts.sh"};
  output=$("$DKCMD" run -v "$PWD:/mnt" "koalaman/shellcheck:${VERISON}" -f gcc "$FILE");
  echo "$output"
} || echo "Whoops. Error: $!;"; exit 1;