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#!/bin/bashcontent="/home/simon/html/content"function menu {    echo "\$1 = $1"    echo "\$PATH_INFO = $PATH_INFO"    echo ""    for path in `ls $1`    do        echo ${1}/${path}        if [ -d $path ]        then            echo $path            if [ "${PATH_INFO:1:${#path}}" = "$path" ]            then                echo " -"                menu $path                echo " -"            fi        else            echo "$path"        fi    done}cd $contentecho "Content-type: text/plain"echo ""menu .