It looks like a deliberately coded bug.
  Usually you just use the argv[] value which is supposed to be the file
name. It doesn't matter if it has spaces or not.
  If you want to make file names with spaces not to work, you would need to
have lots of trouble parsing the parameter to see if it has a space and to
split it into two parameters. So you need a lot more work to make it not to
work than just use it as is.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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