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Perl readlink Function
Description
This function returns the pathname of the file pointed to by the link EXPR, or $_ if EXPR is not specified
Syntax
Following is the simple syntax for this function −
readlink EXPR readlink
Return Value
This function returns undef on error otherwise pathname of the file.
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl -w # assume /tmp/test is a symbolic link on /tmp/usr/test.pl readlink "/tmp/test";
When above code is executed, it produces the following result −
/tmp/usr/test.pl
perl_function_references.htm
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