cd /Users/PSC/Desktop/REPUBLISH/booksinput
for name in *; do mv "$name" "${name// /_}"; done
cd `ls -td -- /Users/PSC/Desktop/REPUBLISH/booksinput/* | head -n 1`
for name in *; do mv "$name" "${name// /_}"; done
mv `ls -td -- /Users/PSC/Desktop/REPUBLISH/booksinput/* | head -n 1` /Users/PSC/Desktop/REPUBLISH/inprogress