From 770b62c42614375e57bf658c18495784fade0698 Mon Sep 17 00:00:00 2001
From: Aaron LI <aaronly.me@outlook.com>
Date: Tue, 28 Feb 2017 08:56:35 +0800
Subject: zsh: add function is_running()

---
 _profile              | 2 +-
 _zsh/40-functions.zsh | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/_profile b/_profile
index 806b7e2..237a91c 100644
--- a/_profile
+++ b/_profile
@@ -37,7 +37,7 @@ _exists() {
 
 ## Check whether the program is running
 _running() {
-    pgrep -x -u ${USER} $1 &> /dev/null
+    pgrep -x -u "${USER}" $1 &> /dev/null
 }
 
 
diff --git a/_zsh/40-functions.zsh b/_zsh/40-functions.zsh
index cd9ebc9..77db01c 100644
--- a/_zsh/40-functions.zsh
+++ b/_zsh/40-functions.zsh
@@ -4,10 +4,15 @@
 # execute 'functions <func_name>' to show function details.
 #
 
+## Check the existence/accessibility of a command
 function exists() {
     which $1 &> /dev/null
 }
 
+## Check whether the program is running
+function is_running() {
+    pgrep -x -u "${USER}" $1 &> /dev/null
+}
 
 function zsh_recompile() {
     autoload -U zrecompile
-- 
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