#!/usr/bin/env bash

#------------------------------------------------------------------------------#
#
# Zeigt die PIDs aller offenen Prozesse an,
# die eine Datei in einem Verzeichnis offen hält
#
#------------------------------------------------------------------------------#

if [ -d "${1}" ] ; then

        unset PID
        PID="$(fuser -c "${1}" 2>&1 | tr -s '[ \t]' '\n' | sed -e 's/[a-zA-Z]*$//g' | grep -E '^[0-9]' | tr -s '\n' '|' | sed -e 's/|$//;s/|/ | /g;s/.*/ & /')"

        #----------------------------------------------------------------------#
        if [ "x${PID}" = "x" ] ; then
                echo "frei PID='${PID}'"
        else
                echo "offen PID='${PID}'"
                ps alx | grep -Fv grep | grep -E "${PID}"
        fi
        #----------------------------------------------------------------------#

else
        echo "${0} [Verzeichnis]"
        echo "${0} /tmp"
fi

#------------------------------------------------------------------------------#