linux-tutorial/codes/shell/输入和输出/永久重定向.sh

#!/usr/bin/env bash

# testing STDERR messages
# redirecting all to a file

# 脚本执行期间，用exec命令告诉shell重定向某个特定文件描述符
exec 2> test

ls badtest
echo "This is test of redirecting all output"
echo "from a script to another file"

exec 1> test1
echo "This is the end of the script"
echo "but this should go to the testerror file" >&2
-												update scripts and docs

											
										
										
											2019-10-29 18:22:19 +08:00
+								#!/usr/bin/env bash
-												format codes

											
										
										
											2019-10-10 08:56:31 +08:00
-												添加脚本

											
										
										
											2019-05-10 11:17:57 +08:00
+								# testing STDERR messages
 								# redirecting all to a file
 								# 脚本执行期间，用exec命令告诉shell重定向某个特定文件描述符
-												format codes

											
										
										
											2019-10-10 08:56:31 +08:00
+								exec 2> test
-												添加脚本

											
										
										
											2019-05-10 11:17:57 +08:00
 								ls badtest
 								echo "This is test of redirecting all output"
 								echo "from a script to another file"
-												format codes

											
										
										
											2019-10-10 08:56:31 +08:00
+								exec 1> test1
-												添加脚本

											
										
										
											2019-05-10 11:17:57 +08:00
+								echo "This is the end of the script"
 								echo "but this should go to the testerror file" >&2