How to create flat tar archive

Question

my tree command returns

tmp
`-- t
    `-- e
        |-- foo.ps
        `-- s
            |-- bar.ps
            `-- t
                `-- baz.ps         


        

Answer 1

outfile=$(pwd)/ps.tar;find . -type f | while read file; do 
    tar rf $outfile -C $(dirname $file) $(basename $file)
done
gzip $outfile