tar -xf $unpack_file &>/dev/null
elif [[ $unpack_file =~ .*\.zip$ \
|| $unpack_file =~ .*\.odt$ \
|| $unpack_file =~ .*\.jar$ \
tar -xf $unpack_file &>/dev/null
elif [[ $unpack_file =~ .*\.zip$ \
|| $unpack_file =~ .*\.odt$ \
|| $unpack_file =~ .*\.jar$ \