## Function: COMMON-LISP:PROBE-FILE [![package](https://img.shields.io/badge/Package-COMMON--LISP-5f9ea0.svg?style=social&colorA=999999)](../) [![type](https://img.shields.io/badge/Type-Function-5f9ea0.svg?style=social&colorA=999999)](../#function) [![clhs](https://img.shields.io/badge/CLHS-PROBE--FILE-5f9ea0.svg?style=social&colorA=999999)](http://www.lispworks.com/documentation/HyperSpec/Body/f_probe_.htm) [![github](https://img.shields.io/badge/GitHub-View_the_source-5f9ea0.svg?style=social&colorA=999999&logo=github)](https://github.com/sbcl/sbcl/blob/master/src/code/filesys.lisp/) > Return the truename of PATHSPEC if the truename can be found, > or NIL otherwise. See TRUENAME for more information. ### Lambda list ```cl (sb-impl::pathspec) ```