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#!/bin/bash
source="/foo"
dest="/bar"
# run directories
for i in `find $source -type d -exec echo \{\} \; | sed -e "s/ /%%blank%%/g"`;  do
    # create subdir
    new_dir="`echo $i | sed -e 's/%%blank%%/ /g' | sed -e 's/?/X/g' | \
        sed -e 's/!/Y/g'`"
    source_dir="`echo $i | sed -e 's/%%blank%%/ /g'`"
    echo ">>> creating ${dest}/$new_dir"
    mkdir "`echo '${dest}/$new_dir'`"
    # run files
    cd "$source/$source_dir"
    for j in `find . ! -type d -mindepth 1 -maxdepth 1 -exec echo \{\} \; | sed -e "s/ /%%blank%%/g"`; do
        new_filename="`echo $j | sed -e 's/%%blank%%/ /g' | sed -e 's/?/X/g' | \
            sed -e 's/!/Y/g'`"
        source_file="`echo $j | sed -e 's/%%blank%%/ /'`"
        cp -v "`echo '$source/$source_dir/$source_file'`" \
            "`echo '$dest/$dest_dir/$new_file'`"
    done     
    cd -
done

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#!/bin/bash
if [ "x${1}" == "x" ]
then blubb="_";
else blubb=${1};
fi

if [ "x${2}" == "x" ]
then new_dir="renamed";
else new_dir=${2};
fi

echo "Erstelle ${new_dir}"
mkdir ${new_dir}

for old_name in `ls`
do
        new_name=`echo ${old_name} | sed -e "s/\?/${blubb}/g" | sed -e "s/\!/${blubb}/g"`;
        echo "\"${old_name}\" \"${new_dir}/${new_name}\""
       cp "${old_name}" "${new_dir}/${new_name}";
done