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patch 8.2.1741: pathshorten() only supports using one character

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Problem:    pathshorten() only supports using one character.
Solution:   Add an argument to control the length. (closes #7006)
This commit is contained in:
Bram Moolenaar
2020-09-25 22:42:48 +02:00
parent 58dbef330c
commit 6a33ef0deb
6 changed files with 103 additions and 48 deletions
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12
runtime/doc/eval.txt
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@@ -2661,7 +2661,7 @@ mzeval({expr}) any evaluate |MzScheme| expression
nextnonblank({lnum}) Number line nr of non-blank line >= {lnum}
nr2char({expr} [, {utf8}]) String single char with ASCII/UTF8 value {expr}
or({expr}, {expr}) Number bitwise OR
pathshorten({expr}) String shorten directory names in a path
pathshorten({expr} [, {len}]) String shorten directory names in a path
perleval({expr}) any evaluate |Perl| expression
popup_atcursor({what}, {options}) Number create popup window near the cursor
popup_beval({what}, {options}) Number create popup window for 'ballooneval'
@@ -7656,13 +7656,17 @@ or({expr}, {expr}) *or()*
:let bits = bits->or(0x80)
pathshorten({expr}) *pathshorten()*
pathshorten({expr} [, {len}]) *pathshorten()*
Shorten directory names in the path {expr} and return the
result. The tail, the file name, is kept as-is. The other
components in the path are reduced to single letters. Leading
'~' and '.' characters are kept. Example: >
components in the path are reduced to {len} letters in length.
If {len} is omitted or smaller than 1 then 1 is used (single
letters). Leading '~' and '.' characters are kept. Examples: >
:echo pathshorten('~/.vim/autoload/myfile.vim')
< ~/.v/a/myfile.vim ~
>
:echo pathshorten('~/.vim/autoload/myfile.vim', 2)
< ~/.vi/au/myfile.vim ~
It doesn't matter if the path exists or not.
Can also be used as a |method|: >