Fun with operators, conditionals and exported functions.

bash-fun1.sh

#!/bin/bash
#Fun with operators, conditionals and exported functions. Notes below. 
y=$(date +%Y)
d=$(date +%d)
m=$(date +%m)
u=`whoami`
s=`pwd`

if [ $d -lt  25 ] && [ $m == 12 ] && [[ "$s" ==  *"home/phoebe/shell"* ]] 
then 
    echo "Hi $u, it's before Christmas, and you're in shell directory!"
else [ $m -lt 12 -a $m -ge 1 ] || [[ "$s" != *"home/phoebe/shell"* ]]  
    echo "Hi $u, it's past Christmas, or you're not in shell directory."
    echo -n "Type which directory, shell or Videos: "
    read directory
if [[ $directory == "shell" ]] 
then
    cdshell
elif [[ $directory == "Videos" ]]
then 
    cdVideos
else
    echo "Invalid choice."
fi
fi

: '
Open file with . /path to free source, in ~/.bashrc: 

function cdshell() {
    cd /home/phoebe/shell "$@"
}
export -f cdshell`
'