purge.sh


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#!/bin/bash

declare -A min
declare -A max

for i in $* ; do
    #fn=$(echo $i | awk -F \; '{print $1;}')
    #vers=$(echo $i | awk -F \; '{print $2;}')

    fn=$(echo $i | cut -d \; -f 1)
    vers=$(echo $i | cut -d \; -f 2)

    if [ -z "${min[$fn]}" ] ; then
    	min[$fn]=$vers
    elif [ "${min[$fn]}" -gt $vers ] ; then
    	min[$fn]=$vers
    fi

    if [ -z "${max[$fn]}" ] ; then
    	max[$fn]=$vers
    elif [ "${max[$fn]}" -lt $vers ] ; then
    	max[$fn]=$vers
    fi
done

for i in "${!max[@]}" ; do
    ma=${max[$i]}
    mi=${min[$i]}

    if [ $ma -gt $mi ] ; then
    	f=$mi
	while [ $f -lt $ma ] ; do
	    rm ${i}\;$f
	    f=$(expr $f + 1)
	done
    fi

    mv ${i}\;$ma $i
done