Shell Script

test.sh

#!/bin/bash

#special variables

echo $0
echo $n
echo $#
echo $*
echo $@
echo $?
echo $$
echo $!
echo $USER
echo $HOSTNAME
echo $SECONDS
echo $RANDOM
echo $LINENO

#variables

firm="hepsiemlak"

echo $firm

echo "enter your name:"
read name

echo "enter your age:"
read age

echo "name: $name - age: $age"

read -p "team name:" team_name
echo $team_name

#operatörs

let sum=28+8
echo $sum

let "sub=28-8"
echo $sub

echo $sub++

echo STRING1 = STRING2	STRING1 is equal to STRING2
echo STRING1 != STRING2	STRING1 is not equal to STRING2
echo INTEGER1 -eq INTEGER2	INTEGER1 is numerically equal to INTEGER2
echo INTEGER1 -gt INTEGER2	INTEGER1 is numerically greater than INTEGER2
echo INTEGER1 -lt INTEGER2	INTEGER1 is numerically less than INTEGER2

#arrays

team=("alper" "sema" "ufuk" "batuhan")

team[4]="cem" 
team[5]="mert" 
team[6]="akın" 
team[7]="gökhan"
team[8]="arzu"

echo "Tech lead: ${team[0]}"
echo "team : ${team[*]}"
echo "team : ${team[@]}"


#loops

for member in ${team[@]}
do 
    echo "team member: " $member
done 

echo "loop with if else statements"

for member in ${team[@]}
do 
    if [ $member = ${team[0]} ] # string equal
    then
        echo "tech lead: " $member
    else
        echo "team member: " $member
    fi
done