BASH

BASH Script

Hello World

#!/bin/bash
STR="Hello World"
echo $STR

Variables

Local Variables

#!/bin/bash
HELLO=Hello 
function hello {
        local HELLO=World
        echo $HELLO
}
echo $HELLO
hello
echo $HELLO

Loops

While

#!/bin/bash
COUNTER=0
while [ $COUNTER -lt 10 ]; do
    echo The counter is $COUNTER
    let COUNTER=COUNTER+1
done

Conditional

if

#!/bin/bash
if [ "foo" = "foo" ]; then
    echo expression evaluated as true
else
    echo expresion evaluated as false
fi

#Condicional con variables
#!/bin/bash
T1="foo"
T2="bar"
if [ "$T1" = "$T2" ]; then
    echo expresion evaluated as true
else
    echo expresion evaluated as false
fi