CLR

clr

#!/bin/bash
# Clear screen, history and trunicate files

_clrTabComplete() {
  local cur
  COMPREPLY=()
  cur=${COMP_WORDS[COMP_CWORD]}
  COMPREPLY=( $( compgen -W 'normal full log sulog help' -- $cur ) )
  return 0
}

complete -F _clrTabComplete clr

_clr_help() {
    echo "Usage: clr [option]"
    echo "help   - This file"
    echo "normal - Clear screen and tmux history"
    echo "full   - Clear screen, tmux history and bash history"
    echo "log    - Trunicate a file/log"
    echo "sulog  - Trunicate a file/log with sudo"
}

clr() {

    if [[ "$1" == "help" ]]
    then
        _clr_help


    elif [[ "$1" == "normal" ]]
    then
        clear && tmux clear-history


    elif [[ "$1" == "full" ]]
    then
        clear && tmux clear-history && history -c


    elif [[ "$1" == "log" ]]
    then
        if [[ -z "$2" ]]
        then
            echo "Please include a file."
            _clr_help
        elif [[ ! -f "$2" ]]
        then
            echo "File Does not exist: $2"
            _clr_help
        else
            dd if=/dev/null of="$2"
        fi


    elif [[ "$1" == "sulog" ]]
    then
        if [[ -z "$2" ]]
        then
            echo "Please include a file."
            _clr_help
        elif [[ ! -f "$2" ]]
        then
            echo "File Does not exist: $2"
            _clr_help
        else
            sudo dd if=/dev/null of="$2"
        fi

    elif [[ -z "$1" ]]
    then
        clear && tmux clear-history

    else
        echo "Unknown command: $1"
        _clr_help
    fi
}