Awesome bash functions for the mac-minded

functions.sh

# Allows gnu du to accept bsd's du -d option by wrapping
# gdu and translating -d to --max-depth before calling it.
# Useful on linux and solaris
du --help 2>&1 | grep -q -- '-d depth' || du () { 
  args=`echo "$@" | perl -pe 's/(-\w*)d(\d+)\b/$1 --max-depth=$2/'`
  gnu_du=`which gdu du 2>/dev/null | head -1`
  "$gnu_du" $args
}

egem () { $EDITOR $(dirname `gem which $@`)/..; }            # opens a gem directory in $EDITOR
tman () { MANWIDTH=100 MANPAGER='col -bx' man $@ | mate; }   # opens a man page in TextMate
O    () { open ${@:-.}; }                                    # opens current dir or argument in the Finder