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You were trying to read a file called "16" from an inward redirect "<". You also had mismatched brackets in your "if" statement.

Try a numeric compare:

#!/bin/bash
TIMED=$(date +%H)

if [...

Do you mean that you want to have an empty line between your title, and the tree? If so, then using a second echo, with a null string will work. For example:


echo "Below is the list of files...

labs/* is redundant. Just do tar -C labs -cf filename.tar .

And you can do mkdir -p which will be silent if the directory already exists.

echo "This is the date: $(date)"
or
printf "%s" ""This is the date: "
date