Bash script for downloading files off video sharing site YouTube

downloadComp.sh

#!/bin/bash

if /home/drbergie/scripts/isAfterHoursDownloadTime.py; then
        echo "starting download"

        DOWNLOAD_PROGRESS_FILE=/tmp/downloadInProgress
        LINKS_FILE=/home/drbergie/youtubelinks.txt

        if [ ! -f $DOWNLOAD_PROGRESS_FILE ] ; then
                echo "1" > $DOWNLOAD_PROGRESS_FILE
                cd /tmp/
                if [ ! -d yt ] ; then
                        mkdir yt
                fi
                cd yt
                /usr/local/bin/youtube-dl --all-formats -a $LINKS_FILE
                rm *
                cd ..
                rm $DOWNLOAD_PROGRESS_FILE
        else
                echo "Skipping download, already in progress"
        fi
fi