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Re:Show HN: Transfer files to mobile device by scanning a QR... by zokier on Thursday March 22, 2018 @06:11PM (#16653179)
<() expands to a path:

    $ echo <(true)
    /dev/fd/63
Re:Show HN: Transfer files to mobile device by scanning a QR... by daw___ on Friday March 23, 2018 @04:39AM (#16656142)
Ah, you are absolutely right