Write Your First Program In Shell Script - CodexRitik

Write Your First Program In Shell Script - CodexRitik

Let's write a shell script to print hello world.

• Hello World Script

      hello.sh

1.       Example

• Code:

#Hello World Shell Script

echo "Hello World"                      #echo is use for Print a message

• Output

sh hello.sh

Hello World

• Write a shell script to take 2 arguments to print hello world

We are going to pass "Hello" and "World" as an argument to the shell script Instead of printing it directly.

• Hello World Script

          hello.sh

• Code:

#Hello World Shell Script

echo $1 $2

• Output

sh hello.sh Hello World

Hello World

• Explanation:

Command Line Arguments - While running the script, we need to pass the arguments after sh filename.sh.

$1 holds the argument 1 ("Hello").

$2 holds the argument 2 ("World").

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