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patch 8.1.0493: argv() and argc() only work on the current argument list

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Problem:    argv() and argc() only work on the current argument list.
Solution:   Add a window ID argument. (Yegappan Lakshmanan, closes #832)
This commit is contained in:
Bram Moolenaar
2018-10-25 12:32:11 +02:00
parent bf9679ae46
commit e6e3989c1b
6 changed files with 147 additions and 34 deletions
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31
runtime/doc/eval.txt
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@@ -2026,11 +2026,11 @@ append({lnum}, {text}) Number append {text} below line {lnum}
appendbufline({expr}, {lnum}, {text})
Number append {text} below line {lnum}
in buffer {expr}
argc() Number number of files in the argument list
argc( [{winid}]) Number number of files in the argument list
argidx() Number current index in the argument list
arglistid([{winnr} [, {tabnr}]]) Number argument list id
argv({nr}) String {nr} entry of the argument list
argv() List the argument list
argv({nr} [, {winid}]) String {nr} entry of the argument list
argv([-1, {winid}]) List the argument list
assert_beeps({cmd}) Number assert {cmd} causes a beep
assert_equal({exp}, {act} [, {msg}])
Number assert {exp} is equal to {act}
@@ -2596,8 +2596,15 @@ appendbufline({expr}, {lnum}, {text}) *appendbufline()*
:let failed = appendbufline(13, 0, "# THE START")
<
*argc()*
argc() The result is the number of files in the argument list of the
current window. See |arglist|.
argc([{winid}])
The result is the number of files in the argument list. See
|arglist|.
If {winid} is not supplied, the argument list of the current
window is used.
If {winid} is -1, the global argument list is used.
Otherwise {winid} specifies the window of which the argument
list is used: either the window number or the window ID.
Returns -1 if the {winid} argument is invalid.
*argidx()*
argidx() The result is the current index in the argument list. 0 is
@@ -2608,7 +2615,7 @@ arglistid([{winnr} [, {tabnr}]])
Return the argument list ID. This is a number which
identifies the argument list being used. Zero is used for the
global argument list. See |arglist|.
Return -1 if the arguments are invalid.
Returns -1 if the arguments are invalid.
Without arguments use the current window.
With {winnr} only use this window in the current tab page.
@@ -2617,17 +2624,19 @@ arglistid([{winnr} [, {tabnr}]])
{winnr} can be the window number or the |window-ID|.
*argv()*
argv([{nr}]) The result is the {nr}th file in the argument list of the
current window. See |arglist|. "argv(0)" is the first one.
Example: >
argv([{nr} [, {winid}])
The result is the {nr}th file in the argument list. See
|arglist|. "argv(0)" is the first one. Example: >
:let i = 0
:while i < argc()
: let f = escape(fnameescape(argv(i)), '.')
: exe 'amenu Arg.' . f . ' :e ' . f . '<CR>'
: let i = i + 1
:endwhile
< Without the {nr} argument a |List| with the whole |arglist| is
returned.
< Without the {nr} argument, or when {nr} is -1, a |List| with
the whole |arglist| is returned.
The {winid} argument specifies the window ID, see |argc()|.
assert_beeps({cmd}) *assert_beeps()*
Run {cmd} and add an error message to |v:errors| if it does