Bash samples

samples.sh

#!/bin/bash
for i in {1..99..2}
do
    echo "$i"
done


#!/bin/bash
# Read input name and display message
read name # ler input do usuário até o [ENTER]
echo "Welcome $name"


#!/bin/bash
# Read two integers and calculare sum, diff, mult, div
read a
read b

echo $((a + b))
echo $((a - b))
echo $((a * b))
echo $((a / b))

#!/bin/bash
# Tells if first arg is greater than second, equal, or less than
read x
read y

if [ $x -gt $y ]; then
    echo "X is greater than Y"
elif [ $x -lt $y ]; then
    echo "X is less than Y"
else
    echo "X is equal to Y"
fi

#!/bin/bash
# Format input as YES or NO based on first char of each output
read char

if [[ $char == 'Y' ]] || [[ $char == 'y' ]]; then
    echo "YES"
elif [[ $char == 'N' ]] || [[ $char == 'n' ]]; then
    echo "NO"
fi