common commands

common.sh

# remove empty folders in the current directory.
find . -type d -empty -delete

# flat folder in. folder
find . -type f -exec mv -i {} . \;

# delete other files that doesnot match:
find . ! -name "*-sentences.txt" -type f -delete

# grep over not txt:
ls -p | grep -v txt

# extract all tar files:
find path -name "*.tar.gz" -exec tar -xvf {} -C path \;