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strip-shell-command-start
Version: 4.1

 (require mzlib/port)

The mzlib/port library mostly re-provides scheme/port.

(strip-shell-command-start in)  void?

  in : input-port?

Reads and discards a leading #! in in (plus continuing lines if the line ends with a backslash). Since #! followed by a forward slash or space is a comment, this procedure is not needed before reading Scheme expressions.