Re: [Sbcl-help] probe-file and wild pathnames

[Peter S. <pe...@pj...>]

Use sb-ext:parse-native-namestring to create a pathname that isn't wild

On 29/05/18 18:36, Jeff Cunningham wrote:
> Greetings;
>
> I ran into a situation where probe-file is failing on some filenames. 
> These are valid files which can be opened and manipulated in various 
> ways by other lisp functions, but probe-file thinks they are wild and 
> fails. Here's an example:
>
> (probe-file "[Video] Raag Khamaj.mp3")
>
> can't find the TRUENAME of wild pathname 
> /home/jcunningham/music/[Video] Raag Khamaj.mp3(physicalized from 
> [Video] Raag Khamaj.mp3).
>    [Condition of type SB-INT:SIMPLE-FILE-ERROR]
>
> Restarts:
>  0: [ABORT] Abort compilation.
>  1: [*ABORT] Return to SLIME's top level.
>  2: [ABORT] abort thread (#<THREAD "worker" RUNNING {10040C1773}>)
>
> Backtrace:
>   0: (SB-IMPL::QUERY-FILE-SYSTEM "[Video] Raag Khamaj.mp3" :TRUENAME NIL)
>
> I gather that this is expected behavior for SBCL. wild-pathname-p 
> returns true. I can't change the filenames. To get around this I could 
> escape the brackets:
>
> (probe-file "\\\[Video\\\] Raag Khamaj.mp3") ==> #P"/tmp/\\[Video] 
> Raag Khamaj.mp3"
>
> But searching for brackets and modifying strings doesn't seem like a 
> very efficient solution. So my question is: how should one test for 
> existence of files whose names have brackets in them?
>
> --Jeff
>
>
>
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