catches some style problems cane and tailor might miss

lint_ruby.sh

#!/bin/bash
# done quickly, don't look here
# this catches some style problems cane and tailor might miss

echo "---- Doing checks -----"
echo "[+] additional space"
find "$PWD" | grep -F .rb | grep -v schema.rb | xargs pcregrep -n -M "\n\nend"
find "$PWD" | grep -E '\.e?rb$' | xargs grep -nE ' $'
echo "[+] missing space"
find "$PWD" | grep -E '\.e?rb$' | grep -v schema.rb | xargs grep -nE "[A-Za-Z]:['\"]"
echo "[+] additional space"
find "$PWD" | grep -F '.erb' | xargs grep -nE '<[a-Za-Z]+  '
find "$PWD" | grep -F '.erb' | xargs grep -nE '=  +'
find "$PWD" | grep -F '.erb' | xargs grep -nE '<%  +'
find "$PWD" | grep -F '.erb' | xargs grep -nE '<%.*  +%>'
find "$PWD" | grep -F '.rb' | xargs grep -nE '( + = )|( =  +)'
echo "[+] additional space after tag, should maybe be nbsp;"
find "$PWD" | grep -F '.erb' | xargs grep -nE '[a-z]> [a-zA-Z]'
find "$PWD" | grep -F '.erb' | xargs grep -nE '[a-zA-Z] +</[a-z]'
echo "[+] missing space"
find "$PWD" | grep -F '.erb' | xargs grep -nE '<%[a-zA-Z]'
find "$PWD" | grep -F '.erb' | xargs grep -nE '<%=[a-zA-Z]'
find "$PWD" | grep -F '.erb' | xargs grep -nE '[a-zA-Z]%>'
echo "[+] useless semicolon"
find "$PWD" | grep -F '.rb' | xargs grep -nE ';$'