From 352b7839192c70ddeb8d6b4e647634d8bcc9c908 Mon Sep 17 00:00:00 2001
From: Andrew Radev <andrey.radev@gmail.com>
Date: Fri, 5 Jun 2020 22:14:28 +0300
Subject: [PATCH] Use `systemlist` instead of `r!`

Doesn't use a temporary file, which avoids a potential issue with the
`egrep` backend. Also doesn't show stderr to the console.
---
 autoload/writable_search.vim         | 2 --
 autoload/writable_search/command.vim | 3 ++-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/autoload/writable_search.vim b/autoload/writable_search.vim
index d2aca6c..76332f7 100644
--- a/autoload/writable_search.vim
+++ b/autoload/writable_search.vim
@@ -45,7 +45,6 @@ function! writable_search#Rerun(...)
 
   %delete _
   call b:command.Read()
-  0delete _
 
   call writable_search#Parse()
 endfunction
@@ -221,7 +220,6 @@ function! s:Grep(query)
 
   %delete _
   call b:command.Read()
-  0delete _
 endfunction
 
 function! s:LastSelectedText()
diff --git a/autoload/writable_search/command.vim b/autoload/writable_search/command.vim
index 339c079..1440586 100644
--- a/autoload/writable_search/command.vim
+++ b/autoload/writable_search/command.vim
@@ -20,7 +20,8 @@ function! writable_search#command#Read() dict
   let saved_shellredir = &shellredir
   let &shellredir = substitute(&shellredir, '\V2>&1', '', 'g')
 
-  exe 'r!'.full_command
+  let output = systemlist(full_command)
+  call append(0, output)
 
   let &shellredir = saved_shellredir
 endfunction