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patch 9.1.0810: cannot easily adjust the |:find| command

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Problem:  cannot easily adjust the |:find| command
Solution: Add support for the 'findexpr' option (Yegappan Lakshmanan)

closes: #15901
closes: #15905

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Yegappan Lakshmanan
2024-10-22 23:42:20 +02:00
committed by Christian Brabandt
parent 626b6ab486
commit aeb1c97db5
17 changed files with 420 additions and 27 deletions
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45
runtime/doc/options.txt
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@ -3552,6 +3552,51 @@ A jump table for the options with a short description can be found at |Q_op|.
eob EndOfBuffer |hl-EndOfBuffer|
lastline NonText |hl-NonText|
*'findexpr'* *'fexpr'*
'findexpr' 'fexpr' string (default "")
global or local to buffer |global-local|
{not available when compiled without the |+eval|
feature}
Expression that is evaluated to obtain the filename(s) for the |:find|
command. When this option is empty, the internal |file-searching|
mechanism is used.
While evaluating the expression, the |v:fname| variable is set to the
argument of the |:find| command.
The expression is evaluated only once per |:find| command invocation.
The expression can process all the directories specified in 'path'.
If a match is found, the expression should return a |List| containing
one or more file names. If a match is not found, the expression
should return an empty List.
If any errors are encountered during the expression evaluation, an
empty List is used as the return value.
Using a function call without arguments is faster |expr-option-function|
It is not allowed to change text or jump to another window while
evaluating 'findexpr' |textlock|.
This option cannot be set from a |modeline| or in the |sandbox|, for
security reasons.
Examples:
>
" Use glob()
func FindExprGlob()
return glob(v:fname, v:false, v:true)
endfunc
set findexpr=FindExprGlob()
" Use the 'git ls-files' output
func FindGitFiles()
let fnames = systemlist('git ls-files')
return fnames->filter('v:val =~? v:fname')
endfunc
set findexpr=FindGitFiles()
<
*'fixendofline'* *'fixeol'* *'nofixendofline'* *'nofixeol'*
'fixendofline' 'fixeol' boolean (default on)
local to buffer