Perl readlink Function
This function returns the pathname of the file pointed to by the link EXPR, or $_ if EXPR is not specified
Following is the simple syntax for this function:
readlink EXPR readlink
This function returns undef on error otherwise pathname of the file.
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 produced following result