Kill a running script using the parent process id. $catmyscript.sh while:;do date sleep1 done $ bash myscript.sh Sun Dec 10 00:00:00 PST 2017 Sun Dec 10 00:00:01 PST 2017 Sun Dec 10 00:00:02 PST 2017 Sun Dec 10
*) die "Unknown option: $1" ;; *) break ;; esac shift done args=("$@") # check required params and arguments [[ -z "${param-}" ]] && die "Missing required parameter: param" [[ ${#args[@]} -eq 0 ]] && die "Missing script arguments" return 0}parse_pa...
f()for i in "$@"; do echo "$i"; done if语法更短 # One line # Note: The 3rd statement may run when the 1st is true [[ $var == hello ]] && echo hi || echo bye [[ $var == hello ]] && { echo hi; echo there; } || echo bye # Multi line (no else, single stateme...
xargs 将文本分析后作为参数,给命令 Shell Script# centos6.x之前,执行/etc/init.d/*目录下所有脚本运行 --> centos7, systemd命令取代之前的形式 开机启动程序 --> /etc/rc.d/rc.local 目录 (rc--run command, .d -- directory) 重启系统日志记录文件,也是运行shell script (/etc/init.d/rsyslogd rest...
Is there a way I can open the project in the background (no window) from bash? Here is what I have in a bash script currently, which successfully runs the GenerateReport tool, but also opens up a matlab window showing the project. ...
Progress bars Get the list of functions in a script Bypass shell aliases Bypass shell functions Run a command in the backgroundAFTERWORDFOREWORDA collection of pure bash alternatives to external processes and programs. The bash scripting language is more powerful than people realise and most tasks ...
Based on the ideas given in a Ubuntu forum thread and a template on command line parsing, I wrote a simple script “parallel” that allows you to run virtually any simple command concurrently. Assume that you have a program proc and you want to run something like proc *.jpg using three ...
用户进程首先与一个监听程序进程通信,在专用环境中该进程会创建一个服务器进程。...3、BACKGROUND PROCESSES(后台进程)后台进程是Oracle的程序,在Oracle实例启动的时候启动,用来管理数据库的读写,恢复和监视等工作,例如PMON、SMON等进程。...在UNIX操作系统上,Oracle的后台进程对应于操作系统进程,也就是说,一个...
for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 ...
command >&2把command的标准输出(stdout)重定向到标准错误(stderr)中; scriptname >>filename把scriptname的输出(同>)追加到文件filenmae中,如果文件不存在则创建。 [i]<>filename打开filename这个文件用来读或者写,并且给文件指定i为它的文件描述符(file descriptor),文件不存在就会创建。