[Bash-completion-devel] Bash completion for lpr, and lprm

[Marcin Szamotulski]

Hello,

I wrote a bash completion script for lpr (lp) and lprm commands.

Best regards,
Marcin Szamotulski

# lpr(1) and lprm(1) completions by Marcin Szamotulski <msza...@gmail.com> 
March 2011

# This script uses two functions from 'base': _known_hosts_real and 
_user_at_host.
# to complete -H and -U switches of the lpr command (-h and -U of lprm).

_lpr() 
{
    local cur prev opts comp_opts configfile
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    comp_opts="+o default +o filenames"

    if [[ ${prev} == "=" ]];then 
        prev="${COMP_WORDS[COMP_CWORD-2]}"
    fi

    if [[ ${cur} == "-" ]];then     
        opts="-E -H -C -T -J -P -U -# -h -l -m -o -p -q -r"
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
    else
    case ${prev} in
        -o) 
            opts="scaling= media= sides= Collate= orientation-requested= 
job-sheets= job-hold-until= page-ranges= page-set= number-up= page-border= 
number-up-layout= outputorder= cpi= lpi= ppi= columns= page-left= page-right= 
page-top= page-bottom= position= natural-scaling= hue= saturation= penwidth= 
landscape mirror raw fitplot prettyprint nowrap blackplot";;
        sides)
            opts="two-sided-long-edge two-sided-short-edge one-sided";;
        Collate)
            opts="True False";;
        job-hold-until)
            opts="indefinite day-time night second-shift third-shift weekend";;
        job-sheets)
            opts="none classified confidential secret standard topsecret 
unclassified";;
        media)
            opts="Letter Legal A4 COM10 DL Transparency Upper Lower 
MultiPurpose LargeCapacity Custom\.";;
        number-up-layout)
            opts="btlr btrl lrbt lrtb rlbt rltb tblr tbrl";;
        outputorder)
            opts="normal reverse";;         
        page-border)
            opts="double none double-thick single single-thick";;
        page-set)
            opts="odd even";;
        position)
            opts="center top left right top-left top-right bottom bottom-left 
bottom-right";;
        orientation-requested)
            opts="3 4 5 6";;
        -P)
            opts=`lpstat -a | awk '{print $1}'`;;
        -i) 
            opts=`lpstat -R | awk '{print $2}' | sed 's/^[a-zA-Z0-9\-]*\-//'`;;
        -H)
            comp_opts="no compreply"
            _known_hosts_real "$cur";;
        -U)
            comp_opts="no compreply"
            _user_at_host;;
        -C)
            comp_opts="-o filenames";;
        -J)
            comp_opts="-o filenames";;
        -T)
            comp_opts="-o filenames";;
        -#)
            comp_opts="-o filenames";;
        *)
            opts=""
            if [[ ${cur} != "=" ]];then
                compopt +o filenames
                _filedir
                comp_opts="no compreply"
            else
                return 0
            fi;;

    esac
    fi

    [[ ${cur} == "=" ]] && cur="" 
    if [[ ${comp_opts} != "no compreply" ]];then 
        if [[ ${comp_opts} != "" ]];then
            compopt ${comp_opts}
        fi
        COMPREPLY=( $(compgen  -W "${opts}" -- ${cur}) );
    fi
 
    # For options from opt_array do not append a white space after completin
    opt_array=("scaling media sides Collate orientation-requested job-sheets 
job-hold-until page-ranges page-set number-up page-border number-up-layout 
outputorder cpi lpi ppi columns page-left page-right page-top page-bottom 
position natural-scaling hue saturation penwidth")
    nospace=0
    for i in ${COMPREPLY};do
        for j in ${opt_array};do
            if [[ $i =~ $j ]];then 
                nospace=1; 
            fi
        done
    done
    [[ $nospace == 1 ]] && compopt -o nospace 

    return 0;
}
complete -F _lpr lpr lp

_lprm() 
{
    local cur prev opts configfile
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"

    [[ ${prev} == "=" ]] && prev="${COMP_WORDS[COMP_CWORD-2]}"

    if [[ ${cur} == "-" ]];then     
        opts="-E -P -U -h"
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
    else
        case ${prev} in
            -P)
                opts=`lpstat -a | awk '{print $1}'`
                COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) );;
            -h)
                _known_hosts_real "$cur";;
            -U)
                _user_at_host;;
            *)
                opts=`lpstat -R | awk '{print $2}' | sed 
's/.*-\([0-9\-]*\)$/\1/'`
                COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) );;
        esac
    fi

    return 0;
}

complete -F _lprm lprm

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