File/Directory permissions resetter

file-directory-permissions-resetter.sh

# All file permissions are changed:
# 7xx -> 750
# 6xx -> 640

# All directory permissions are changed:
# 7xx -> 750

# `ls -l` output's 4th byte is owner's execute permission "x" or "-"

chmod -R o-rwx .
chmod -R g-w .
chmod -R g+r .

find . -type d | xargs -i chmod g+rx {}

cat <<'EOF' > /tmp/cmd
#!/bin/bash
FILEPATH=$1
if [ $(ls -l "$FILEPATH" | cut -b 4) == x ]; then
  echo chmod g+x "$FILEPATH"
  chmod g+x "$FILEPATH"
else
  echo chmod g-x "$FILEPATH"
  chmod g-x "$FILEPATH"
fi
EOF
chmod +x /tmp/cmd

find . -type f | xargs -i /tmp/cmd {}

rm /tmp/cmd

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