[root@localhost~]mv/home/chen/.bash_profile/home/chen/.bash_profile.bak[root@localhost~]mv/home/chen/.bash_login/home/chen/.bash_login.bak[root@localhost~]su-chen Last login:Tue Apr1817:27:21CST2017on pts/1execute/etc/profile execute~/.profile-bash-4.2$ exit logout execute~/.bash_log...
when another tester is assigned to run the scripts, the tester will get a good idea of the scope of the testing done in each script, as well as any prerequisites and warnings.
How to Get Return Codes on Exit? You only need to write the “echo $?” command to get the return code. For example, you want to compare two numbers using the following Bash script: Once you execute the script in the terminal, run “echo $?” to get the return code on exit: ./...
Shell Script# centos6.x之前,执行/etc/init.d/*目录下所有脚本运行 --> centos7, systemd命令取代之前的形式 开机启动程序 --> /etc/rc.d/rc.local 目录 (rc--run command, .d -- directory) 重启系统日志记录文件,也是运行shell script (/etc/init.d/rsyslogd restart) 开启定时任务分析系统日志信息,...
Runtime ErrorA Runtime Error will be the next level of errors. The shell script runs with no syntax errors but fails to execute reliably certain tasks. The most common runtime errors in a shell script include: Division by zero or use of a string/float variable in a Bash Arithmetic Expres...
强类型（变量） 关键字： 事先转换成可执行格式 c,c++,JAVA,C# 动态语言：解释型语言 on th...
Save and exit the file, and run the new script using one of the following command syntax: sh make_a_file.txt or ./make_a_file.txt or bash make_a_file.txt If an error occurs when executing the file, please continue to set the executable permissions for the script file you just wrote...
On Linux, after running the install script, if you get nvm: command not found or see no feedback from your terminal after you type command -v nvm, simply close your current terminal, open a new terminal, and try verifying again. Alternatively, you can run the following commands for the ...
Paste a shell script onhttps://www.shellcheck.netfor instant feedback. ShellCheck.netis always synchronized to the latest git commit, and is the easiest way to give ShellCheck a go. Tell your friends! From your terminal Runshellcheck yourscriptin your terminal for instant output, as seen above...
printf “$SCRIPT:$LINENO: please run this script with the BASH shell/n” >&2 exit 192 fi if test ! -x “$who” ; then printf “$SCRIPT:$LINENO: the command $who is not available — aborting/n “ >&2 exit 192 fi if test ! -x “$sync” ; then ...