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Map pressed keys to key codes

asked 2018-09-21 04:16:38 -0600

joaooneillcortes gravatar image

updated 2018-09-21 04:35:33 -0600

I am investigating commands bound to key sequences on GNU bash, version 4.4.12. I found out the bind -P command, wich lists every command bounded. However, I don't know a way to find which keys should I press to obtain a certain code, for instance, \e[200~. Is there any commands that takes a code and returns a possible key sequence that types it? In a way, an inverse command to read?

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answered 2018-09-21 05:26:36 -0600

villykruse gravatar image

For "\e[200~" there is not key sequence. It is magic sequence to support bracketed paste, that is, to tell some application program that the following text is coming from copy-past and not from the keyboard. See https://cirw.in/blog/bracketed-paste for further information. The gvim program, for example, uses this to turn off auto-format when pasting in code snippets.

In general, you can switch to a not-graphical terminal (ctrl-alt-F4) and run the cat command. Then hit various function keys and you can see the character sequences they generate.

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Asked: 2018-09-21 04:16:38 -0600

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Last updated: Sep 21 '18