Batch renaming files in a directory using bash

batch_rename.sh

# Batch renaming/mv/cp/etc... using bash

# Step 1:  to make a backup copy of all pdf files in a directory
for i in *.pdf ; do mv "$i" "${i}.backup" ; done

# Step 2: to copy one file over all of the original files in this directory
for i in *.pdf ; do cp "~/source.pdf" "${i}" ; done