injecting preexec function name into terminal when using editor about bash-preexec HOT 9 CLOSED

thanks for looking into it

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Maybe you can define a preexec function with something like echo "$BASH_COMMAND" to see what is beeing executed by "edit-and-execute-command".

I get the follwowing:

fc -e "${VISUAL:-${EDITOR:-$(command -v editor || echo emacs)}}"
/usr/bin/vim /run/user/1000/tmp/bash-fc.IUxsw9

Edit:
Or just use set -v

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when I use set -v I get and try the command echo foo

fc -e "${VISUAL:-${EDITOR:-emacs}}"
__bp_preexec_invoke_exec
vim /tmp/bash-fc-9053782316985282392
__bp_preexec_invoke_exec
echo foo
__bp_preexec_invoke_exec
foo

Does it not inject the function into the output for you?

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@CeleritasCelery Yes. I'm getting the same output as in your firsst example. Wondering what's causing it in bash-preexec.

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I've noticed this behavior for a while but I just ignore it 😛

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I'm not positive there's anything that can be done about this since bash-preexec relies on bash's DEBUG trap.

Even setting a no-op here for the trap will be echoed out. Using your example from above @CeleritasCelery e.g.

$ trap -- ':' DEBUG
Ctrl-x Ctrl-e
echo foo
:
foo

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@CeleritasCelery unfortunately this is a product of using the DEBUG trap which is pretty much a must.
@d630 any idea why edit and execute pulls in the contents of the trap?

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@rcaloras It's not because of Readline's "edit-and-execute-command", it's due to fc, that
sets the verbose flag before executing the file. See
http://git.savannah.gnu.org/cgit/bash.git/tree/builtins/fc.def?h=devel

I suppose you can avoid it, if you bind your own "edit-and-execute-command" ...

Edit:
See also http://git.savannah.gnu.org/cgit/bash.git/tree/bashline.c?h=devel

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@d630 Thanks! Looking back at your previous comment more closely makes sense now 👍
@CeleritasCelery Sorry for the verbose output, but closing this as this is intended functionality by edit and execute.

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