Bash shell for productivity

auto_mkdir.sh

#!/bin/bash
#author: Phung Quoc Viet
#description: read all line from filname then create directorys with format: line/no.line
filename="filename.txt"
n=1
while read line; do
    # reading each line
    mkdir "$n. $line"
    touch "./$n. $line/$line.cpp"
    echo -n "File No.$n: $line"
    echo "... Created"
    n=$((n + 1))

done <$filename
read -p "Press Enter to continue"

backup_postgres.sh

#!/bin/bash
#author: Phung Quoc Viet
#description: backup Postgres DataBase
directory=`pwd`
cd $directory
today=$(date '+%Y-%m-%d')
printf "Nhập database name: "
read db_name
printf "Nhập password: "
read -s pw
export PGPASSWORD=$pw
pg_dump -U postgres $db_name > "${today}_backup.sql"
echo "Đã backup Data"

read -p "Press any key to exit!"

open_project.sh

printf "Ê mày muốn mở project nào?\n(1)Core   (2)SA    (3)template_CP   (4)vnspoj: "
read option
if [ $option -eq "1" ]; then
    code C:/FIN/Core
elif [ $option -eq "2" ]; then
    code C:/FIN/SA-BA
elif [ $option -eq "3" ]; then
    code C:/PrivateProject/DSA/code_template/code_template.code-workspace
else
    code C:/PrivateProject/DSA/VN.SPOJ/VN.SPOJ.code-workspace
fi
exit