Name
readlink
Synopsis
readlink name
Returns the name of a file pointed to by the
symbolic link name.
nameshould evaluate to a filename, the
last component of which is a symbolic link. If it is not a
symbolic link, or if symbolic links are not implemented, or if a
system error occurs, the undefined value is returned, and you
should check the error code in $!. If name
is omitted, the function uses $_.
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