Mercurial > vim
diff runtime/doc/eval.txt @ 12857:ffdf2e4b5d9a v8.0.1305
patch 8.0.1305: writefile() never calls fsync()
commit https://github.com/vim/vim/commit/7567d0b115e332f61a9f390aaccdf7825b891227
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Nov 16 23:04:15 2017 +0100
patch 8.0.1305: writefile() never calls fsync()
Problem: Writefile() never calls fsync().
Solution: Follow the 'fsync' option with override to enable or disable.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Thu, 16 Nov 2017 23:15:05 +0100 |
| parents | 963cdeb42c41 |
| children | 058e93aee621 |
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--- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -1,4 +1,4 @@ -*eval.txt* For Vim version 8.0. Last change: 2017 Oct 28 +*eval.txt* For Vim version 8.0. Last change: 2017 Nov 16 VIM REFERENCE MANUAL by Bram Moolenaar @@ -8721,7 +8721,7 @@ winwidth({nr}) *winwidth()* Examples: > :echo "The current window has " . winwidth(0) . " columns." :if winwidth(0) <= 50 - : exe "normal 50\<C-W>|" + : 50 wincmd | :endif < For getting the terminal or screen size, see the 'columns' option. @@ -8762,8 +8762,17 @@ writefile({list}, {fname} [, {flags}]) appended to the file: > :call writefile(["foo"], "event.log", "a") :call writefile(["bar"], "event.log", "a") - -< All NL characters are replaced with a NUL character. +< + When {flags} contains "s" then fsync() is called after writing + the file. This flushes the file to disk, if possible. This + takes more time but avoids losing the file if the system + crashes. + When {flags} does not contain "S" or "s" then fsync is called + if the 'fsync' option is set. + When {flags} contains "S" then fsync() is not called, even + when 'fsync' is set. + + All NL characters are replaced with a NUL character. Inserting CR characters needs to be done before passing {list} to writefile(). An existing file is overwritten, if possible.