Shell programming to find the software package (RPM) where the file on which the software depends is located)

The software package (RPM) where the file on which the software depends is searched by shell programming assumes that the directory of the package is/media/server #! /Bin/bash # This script is used to query the package dependencies. #6/16/11 function query () {LINE = 0 PACKET = null MAX = 'ls $2 /*. rpm | wc-l 'while true do LINE = 'expr $ LINE + 1' if [$ MAX-lt $ LINE] then echo "Not find any package. "unset line packet max return 1 fi PACKET = 'ls $2 /*. rpm | sed-n $ {LINE} P' rpm-pql $ PACKET 2>/dev/null | grep-v "warning: "2>/dev/null | grep $1 &>/dev/null if [$? = 0] then echo $ PACKET unset line packet max return 0 fi done} if [$ #! = 1] then echo "Must have a parameter. "echo" Usage: "$0" parameter "exit 1fi PACKET_DIR =/media/ServerDEPEND_FILE = $1 MESSAGE = null echo" Querying, please wait... "if MESSAGE = 'query $ DEPEND_FILE $ PACKET_DIR 'then echo" query is completed. "echo" File where the package is: "echo" "$ MESSAGE unset PACKET_DIR MESSAGE DEPEND_FILE query exit 0 else echo" Query is completed. "echo $ MESSAGE unset PACKET_DIR MESSAGE DEPEND_FILE query exit 1fi running result: [root @ localhost Desktop] #. /example17.4.sh haha. cMust have a parameter. usage :. /example17.4.sh parameter [root @ localhost Desktop] #. /example17.4.sh libapbb-1.so.0Querying, please wait... query is completed. not find any package. [root @ localhost Desktop] #. /example17.4.sh libapr-1.so.0Querying, please wait... query is completed. file where the package is:/media/Server/apr-1.2.7-11.i386.rpm