PERL readlink Function

Syntax

Definition and Usage

Returns the pathname of the file pointed to by the link EXPR, or $_ if EXPR is not specified.

Return Value

• undef on error

• otherwise pathname of the file

Example

Try out following example:

#!/usr/bin/perl -w

# assume /tmp/test is a symbolic link on /tmp/usr/test.pl

readlink "/tmp/test";

It will produce following results:

/tmp/usr/test.pl