long complex format variables

[Michael Grant]

I've been working on the status line formats recently.  These variables, in the C code are nicely indented.  Is there some way to deal with format variables in a friendly way in the config file and in the shell passing as an arg to `tmux set`?

I didn't see any way to pretty-print a format variable so I wrote something in C.  It could be added as an option to `show-option`, but it would be useful if the output of such a formatted variable was able to be directly read back in.  I did not find any easy, friendly way.  I was wondering other people do.  Like modifying a popup menu is really tedious all in one single line.

If there is truly no way at this moment, what about making an option to `show-option` which pretty prints with leading tabs and newlines, and an option to `set-option` which ignores leading tabs and trailing newlines?  Would this be useful?  I will happily drop this in a PR.

Michael Grant

[Nicholas Marriott]

Yes. Part of the plan for keeping commands as commands rather than strings was to make eg bind-key be able to pretty print. Being able to make formats pretty printed would be a nice step. Might be worth making each option have a flag to say whether it holds a format or not, so show-option could do it automatically? (would probably still want a flag to show w/o for parsing)

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[Nicholas Marriott]

I'm not sure about set-option, for that it might be better to have a generic way to split strings in the config file. Isn't there a way to do it already? I can't remember if \ for line continuation works inside strings.