From 3ab73b7287cde7ecfe582a82a98bc9508496a4a7 Mon Sep 17 00:00:00 2001
From: iProbe <iprobe@noreply.localhost>
Date: Sat, 12 Aug 2023 16:14:04 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20'shell/shell=E5=8F=98?=
 =?UTF-8?q?=E9=87=8F=E6=8F=90=E5=8F=96=E8=B5=8B=E5=80=BC.md'?=
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---
 shell/shell变量提取赋值.md | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/shell/shell变量提取赋值.md b/shell/shell变量提取赋值.md
index 00762d6..f394141 100644
--- a/shell/shell变量提取赋值.md
+++ b/shell/shell变量提取赋值.md
@@ -1,8 +1,8 @@
 
-|--|--|
-|表达式|含义|
-|${var:-aa}|若var为空或未设定, 返回aa, var值不变|
-|${var:=aa}|若var为空或未设定, 返回aa, var=aa|
-|${var:+aa}|若var有值 返回aa, var值不变|
-|${var:?aa}|若var为空或未设定 返回aa并退出shell, 若aa无值, 则输出parameter null or not set, 用于检测var是否被正确赋值|
+|--|--| 
+|表达式|含义| 
+|${var:-aa}|若var为空或未设定, 返回aa, var值不变| 
+|${var:=aa}|若var为空或未设定, 返回aa, var=aa| 
+|${var:+aa}|若var有值 返回aa, var值不变| 
+|${var:?aa}|若var为空或未设定 返回aa并退出shell, 若aa无值, 则输出parameter null or not set, 用于检测var是否被正确赋值| 
 |-|-|
\ No newline at end of file