Pass reference to a subroutine to another subroutine : Parameter « Subroutine « Perl
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»
Subroutine
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Parameter
Pass reference to a subroutine to another subroutine
sub printhello
{
print
"Hello!\n"
;
}
sub printem
{
&
{
@_
[
0
]}
;
}
printem \&printhello;
Related examples in the same category
1.
Swap array value by using the sub range
2.
Passing Arrays
3.
Pass file handle global reference to a subroutine
4.
Pass two array reference to a subroutine
5.
Passing an array and modifying it,as a reference
6.
Passing by reference with pointers
7.
Passing References to a Subroutine
8.
Passing a range of value to a subroutine
9.
Passing array to a subroutine
10.
Passing arrays to a function
11.
Passing different number of parameter to a subroutine
12.
Passing hash to a subroutine
13.
Passing parameters to subroutines
14.
Passing two values to a subroutine
15.
displays all the arguments
16.
Using shift(@_) to get value passed into a subroutine
17.
shift parameter
18.
Subroutine parameter default value
19.
output the subroutine arguments using special variable @_
20.
Is a parameter defined
21.
The loop displays each individual argument
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