#!/bin/sh

convertFolder() {
        local dir="$1"  # source dir

        echo "Converting directory \"$dir\"..."

        ls -1 $dir | while read DirName; do
                [ -d "$DirName" ] && convertTexturesInDirectory "$DirName"
        done
}

wd=/tmp
ls -1 "$wd" | while read DirName; do
        [ -d "$wd/$dirName" ] && convertFolder "$wd/$DirName"
done