Magic fastcommand script

fastcommand.sh

#### EXPERIMENTAL
# Requires fzf
# Paste this in .bashrc
# The default command file id ~/.commands

COMMANDS_FILE="~/.commands"
__best_command__(){
    local cmd
    shopt -u nocaseglob nocasematch
    # cmd=$(cat $COMMANDS_FILE | fzf --height 50% | command grep '^ *[0-9]') &&
    cmd=$(cat $COMMANDS_FILE | fzf --height 50%)
    sed 's/^ *\([0-9]*\)\** *//' <<< "$cmd" | sed 's/.*\t//'
}

__save_command__(){
    local save
    set -o history -o histexpand
    last_cmd=$(echo `history |tail -n2 |head -n1` | sed 's/[0-9]* //')
    read -p "Insert brief textual desctiption: " usrin
    echo "$usrin\t$last_cmd"
}

bind '"\er": redraw-current-line'
bind '"\e^": history-expand-line'
bind '"\C-x\C-x": " \C-e\C-u\C-y\ey\C-u`__best_command__`\e\C-e\er\e^"'
bind '"\C-x\C-a": "\e echo -e `__save_command__` >> $COMMANDS_FILE \n"'