Dependencias slackware

#!/bin/bash
#===============================================================================
#
#          FILE: dependencias.sh
#
#         USAGE: ./dependencias.sh paquete
#
#   DESCRIPTION: Resolver dependencias para un paquete determinado, el script
#                proporcionas un listado ordenado de paquetes a instalar
#                para sistemas basados en SLACKWARE.
#
#       OPTIONS:
#  REQUIREMENTS: Curl, wget, gawk
#         NOTES: -
#        AUTHOR: Skilltik Henry Suarez skilltik@gmail.com
#  ORGANIZATION: ---
#       CREATED: 17/04/14
#      REVISION: 0.1
#===============================================================================

packages_dir=/var/log/packages/

function resuelve(){
    for paquete in $@
    do
        lista=''
        lista=`ls $packages_dir | grep $paquete-`
        if [ "${#lista}" == 0 ]
        then
        c=" "
        echo "$paquete$c" >> resul
        curl -s "slackbuilds.org/result/?search=$paquete&sv=14.1" > salida.html ;
        variable=`grep -i $paquete\/ salida.html | gawk '{print $6}' FS="\"" | gawk '{print $4}' FS="/"`
        nombreokpaquete=`grep -i $paquete\/ salida.html | gawk '{print $6}' FS="\"" | gawk '{print $5}' FS="/"`
        wget -q http://slackbuilds.org/slackbuilds/14.1/$variable/$nombreokpaquete/$nombreokpaquete.info ;
        vari=`grep REQUIRES $nombreokpaquete.info`
        vari=`echo ${vari:10: -1}`
        rm *.info
        if [ "${#vari}" != 0 ]
        then
            resuelve $vari
        fi
        fi
    done
 }

for arreglo in $@
do
    curl -s "slackbuilds.org/result/?search=$arreglo&sv=14.1" > verifica.html ;
    verificapaq=`grep -i "No results" verifica.html `
    rm verifica.html
    if [ "${#verificapaq}" == 0  ]
    then
    resuelve $arreglo
    if [ -f resul ]
    then
        tac resul > resul2
        cat resul2 | tr -s " " "\n" > resul
        awk '!array_temp[$0]++' resul > resul2
        cat resul2 | tr -s "\n" " " > resul
        tr -d "\n" < resul > resul2
        echo "|-----------------------------------------------------------|"
        echo "Las dependencias a resolver para $arreglo son :"
        cat resul2
        echo " "
        echo "|-----------------------------------------------------------|"
        echo " "
        rm resul resul2
        rm salida.html
    else
            echo "|-----------------------------------------------------------|"
        echo "No hay dependencias por resolver para $arreglo "
        if ( lista=`ls $packages_dir | grep $paquete-` )
        then
        echo "$lista ya se encuentra instalado"
        fi
        echo "|-----------------------------------------------------------|"
    fi
    else
    echo "|-----------------------------------------------------------|"
    echo " $arreglo no existe en base de datos"
    echo "|-----------------------------------------------------------|"
    fi
done