[Github-comments] [geany] Read standard input as new file (#780)

[Matthew Brush]

> Currently Geany uses an option parsing library that does not support a single dash by itself and without the dash there is no way of differentiating between simply opening geany and reading the standard input.

If GOptionParser chokes on a single `-` (does it? I figured it would just pass it through), some code could be added to detect/remove `-` from `argv` before calling into the option parser, instead of dealing with it after the option parser.

> Given the questions about windows @codebrainz raised this might only be a Linux feature

It wasn't questions as much as a note if someone's gonna implement this feature, I think Windows needs another special case in order to get stdio handles for this to work.

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https://github.com/geany/geany/issues/780#issuecomment-160238096
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