[Github-comments] [geany/geany] Shortcut suggestions (#1929)

[kuchaguangjie]

@eht16  @codebrainz 
I have defined 2 very simple python scripts for **to lower / upper** command separately, based on @eht16 's script, and assigned shortcut `CTRL + L` and `CTRL + U` to them respectively, it works on my Linux machine now.

## The scripts

**geanyLowerCase.py:**

    #!/usr/bin/env python
    # -*- coding: utf-8 -*-

    # geany - customized formatting - to lower case,
    import sys

    def lower_case(string):
        return string.lower()

    def main():
        data = sys.stdin.read()
        sys.stdout.write(lower_case(data))

    if __name__ == '__main__':
        main()

**geanyUpperCase.py:**

    #!/usr/bin/env python
    # -*- coding: utf-8 -*-

    # geany - customized formatting - to upper case,
    import sys

    def upper_case(string):
        return string.upper()

    def main():
        data = sys.stdin.read()
        sys.stdout.write(upper_case(data))

    if __name__ == '__main__':
        main()


## Additional steps to make it work

* Link these 2 scripts under `$PATH`.
* Link script as command in geany.
  * in geany,
  * edit -> format -> send selection to -> set custom commands,
  * add the script, and label it,
  * remember its order in the commands,
* Define shortcut for new commands.
  * edit -> preference -> keybindings -> format,
  * change key for "send to custom command x",
	where `x` is the order of you new command when define it,
* Test it.
* Done.

## Possible improvements needed

* After format via shortcut, the select text are not selected any more.
  Maybe it's better to still select those text after the action.
* This is tested on Linux, not on windows yet,.
  Might need to modify the script a bit to make it work, e.g the `shebang` part.

## More scripts?
* to Capital case.
  e.g `aBc` -> `Abc`

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