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PERL join Function



Syntax

join EXPR, LIST


Definition and Usage

Combines the elements of LIST into a single string using the value of EXPR to separate each element. It is effectively the opposite of split. Note that EXPR is only interpolated between pairs of elements in LIST; it will not be placed either before the first or after the last element in the string. To join together strings without a separator, supply an empty string rather than undef.

Return Value

  • Joined string

Example

Try out following example:

#!/usr/bin/perl

$string = join( "-", "one", "two", "three" );
print"Joined String is $string\n";

$string = join( "", "one", "two", "three" );
print"Joined String is $string\n";


It produces following result

Joined String is one-two-three
Joined String is onetwothree



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