From 70d7f3aea5d8de71fc34a84b8b5b20c8bb01d077 Mon Sep 17 00:00:00 2001
From: jdhao <jdhao@hotmail.com>
Date: Fri, 13 Aug 2021 01:17:57 +0800
Subject: [PATCH] Add Redir command to capture command output easily

---
 autoload/utils.vim | 9 +++++++++
 plugin/command.vim | 2 ++
 2 files changed, 11 insertions(+)
 create mode 100644 plugin/command.vim

diff --git a/autoload/utils.vim b/autoload/utils.vim
index 5bbc7e8..c573a48 100644
--- a/autoload/utils.vim
+++ b/autoload/utils.vim
@@ -168,3 +168,12 @@ function! utils#GetGitBranch()
     return l:res
   endif
 endfunction
+
+" Redirect command output to a register for later processing.
+" Ref: https://stackoverflow.com/q/2573021/6064933 and https://unix.stackexchange.com/q/8101/221410 .
+function! utils#CaptureCommandOutput(command) abort
+  echomsg "command is" a:command
+  redir @m
+  execute a:command
+  redir END
+endfunction
diff --git a/plugin/command.vim b/plugin/command.vim
new file mode 100644
index 0000000..e39859b
--- /dev/null
+++ b/plugin/command.vim
@@ -0,0 +1,2 @@
+" Capture output from a command to register @m, to paste, press "mp
+command! -nargs=1 -complete=command Redir call utils#CaptureCommandOutput(<q-args>)