abbr on pipe position for fish

abbr_pipe.fish

# basically from http://qiita.com/masa0x80/items/346b4b9c0ff08205995e
function __insert_abbreviation
  commandline | read -l buffer

  switch (string trim -r $buffer | string split ' ')[-1]
    case G
      string replace "G" "| grep" $buffer | read replaced
    case X
      string replace "X" "| xargs -I {}" $buffer | read replaced
    case H
      string replace "H" "| head" $buffer | read replaced
    case T
      string replace "T" "| tail" $buffer | read replaced
    case J
      string replace "J" "| jq '.'" $buffer | read replaced
    case S
      string replace "H" "| show_n 1" $buffer | read replaced
    case SO
      string replace "SO" "| sort -n" $buffer | read replaced
    case SED
      string replace "SED" "| sed -e 's/" $buffer | read replaced
    case C
      string replace "C" "| cut -d ' ' -f 1" $buffer | read replaced
    case P
      string replace "P" "| pbcopy" $buffer | read replaced
    case W
      string replace "W" "| wc" $buffer | read replaced
    case A
      string replace "A" "| awk -F ' ' '{print $1;}" $buffer | read replaced
    case L
      string replace "L" "| less" $buffer | read replaced
    case EDN
      string replace "EDN" "2>&1 > /dev/null" $buffer | read replaced
    case DN
      string replace "DN" "> /dev/null" $buffer | read replaced
    case '*'
      # noop
  end

  if [ -n "$replaced" ]
    commandline --replace "$replaced "
  else
    commandline --insert " "
  end
end

in .config/fish/config.fish

function fish_user_key_bindings
  bind " " __insert_abbreviation
end