useful shell functions for .bashrc

bashrc

vicmd() {
  [ "$#" -lt 1 ] && echo "Usage: $0 [CMD_name]" >&2 && return 1;

  # check alias
  #echo "type $(type -t $1)"
  [[ "$(type -t $1)" =~ ("alias"|"builtin"|"function") ]] && echo "$1 is $(type -t $1), not a valid cmd! " >&2 && return 1
  local CMD_="$(which $1 2>/dev/null)"
  [ -x "$CMD_" ] && vi "$CMD_" || vi "$MY_SHARE_HOME/bin/$1"

}

export -f vicmd

cmdir() {
  dirname "$(readlink -f $(which $1 2>/dev/null) 2>/dev/null)"
}

export -f cmdir

sumdir() {
  du -sh $@;
  ls $@ | wc -l;
}

export -f sumdir