Function with parameters

function with parameters

1 Bash

greet() {
        echo "Hello, $1 $2."
}
greet my friend
# Hello, my friend.

2 Python

def greet(to):
	return 'Hello, ' + to + '.'

s = greet('my friend')
print( s )
# Hello, my friend.

def sum(a, b):
    return a + b

s = sum(1, 2)
print( s )
# 3

3 Windows Batch

@echo off
call :greet my friend
goto :eof

:greet <resultVar>
echo Hello, %~1 %~2.
goto :eof
rem Hello, my friend.

4 Perl

sub greet {
	my $str = shift;
	print "Hello, " . $str . "\n";
}

greet("my friend");
# Hello, my friend

5 같이 보기

• function
• function with return
• optional arguments