klprm

#!/bin/bash
## klprm - Choose jobs to kill jobs in lp print queue
## Copyleft 12/25/2015 - Joseph J. Pollock - JPmicrosystems
##   Last modified 12/27/2015

## Usage is klprm [<job number> ... ]

## If no arguments (job numbers) are specified, then all 
## jobs are offered for deletion
##
## Job number arguments are provided so other scripts
## can preselect which jobs should be offered for deletion
## (e.g. just the ones they created before a problem occurred)

function non_numeric {
  ## Test string for non_numeric
  ## For use with (( )) (opposite of [ ])
  local var
  ##echo "Testing [${1}]"  ## debug
  [ -z "${1}" ] && return 1
  var="$(echo "${1}" | sed -re 's/[0-9][0-9]*//')"
  [ -z "${var}" ]
  return $?
}

script_name="$(basename $0)"
title="${script_name}"
yopt=(--center --on-top --title "${title}")
yyes="OK"
yno="Cancel"
dsptime=20  ## yad message timeout interval
dsptime2=10 ## for non-fatal errors in loop

e='' ## live run
##e='echo ' ## debug - DRYRUN

noargs=1 ## no job numbers on command line

(( $# )) && noargs=0 ## there are job numbers on the command line

if (( noargs ))
then
  if [[ -z "$(lpstat)" ]]
  then
    yad "${yopt[@]}" --text="No jobs in lp print queue - quitting" --button=gtk-ok:0 --timeout=${dsptime}
    exit 0
  fi
  range="$(echo -e "$(lpstat | cut -d ' ' -f 1 | cut -d '-' -f 2)" | yad "${yopt[@]}" --no-markup --list --multiple \
    --column="Select jobs in lp print queue to Delete" --print-column=1 --width=300 --height=300)"
  if (( $? )) || [[ -z "${range}" ]]
  then
    yad "${yopt[@]}" --text="No jobs selected - quitting" --button=gtk-ok:0 --timeout=${dsptime}
    exit 0
  fi

  range=($(sed -e 's/|//' -e 's/\n/ /' <<< "${range}")) ## get rid of the vbars and newlines and put in array
else
  range=()
  for job in "${@}"
  do
    non_numeric "${job}"
    if (( $? ))
    then
      yad "${yopt[@]}" --text="Job number [${job}] must be numeric - aborting" --button=gtk-ok:0 --timeout=${dsptime}
      exit 1
    fi
    
    range=(${range[@]} ${job})
  done
  
  if (( ! ${#range[@]} ))
  then
    yad "${yopt[@]}" --text="No jobs selected - quitting" --button=gtk-ok:0 --timeout=${dsptime}
    exit 0
  fi

fi

errors=0
##echo "range [${range}]" ## debug
for job in ${range[@]}
do
  msg="$(${e} lprm "${job}" 2>&1)"
  if (( $? ))
  then
    yad "${yopt[@]}" --text="${msg}" --button=gtk-ok:0 --timeout=${dsptime2}
    (( errors++ ))
  fi
done

text="Selected lp print jobs deleted"
if (( errors ))
then
  text="${text} - with [${errors}] error"
  (( errors > 1 )) && text="${text}s"
fi

yad "${yopt[@]}" --text="${text}" --button=gtk-ok:0 --timeout=${dsptime}
exit 0