One idea was getting pid of gnome terminal and wait for it do close and then run the 2nd command . This article explains how to use the Linux sleep command to pause a bash script, among other things. - Takes about 1.2 seconds when I try it. $ Linux wait command help, examples, and information. It may also return 127 in the event that n specifies a non-existent job or zero if there were no jobs to wait for. Bash Sleep Command Bash Sleep command is used to insert a delay or pause the execution for a specified period of time. Master the Bash Shell. Wait Command; Sleep Command; Create and Execute First BASH Program: You can run bash script from the terminal or by executing any bash file. when i ported to linux, it started hanging. Here’s how it works. On its own, the sleep command isn't very useful. ls — List directory contents. This trick is to use the bash while command to create a loop, but preface the command that you want to run with a ! It returns the exit status of waited-for command. Alternatively (just "for your information"), depending on whether you want command 1 and 2 to run concurrently or not (equivalently for command 3 and 4): sleep is a very popular command and we can start sleep from 1 second: # wait one second please sleep 1 but what the alternative if I need to wait only 0.1 second or between 0.1 to 1 second ? Following is the syntax of bash sleep : SUFFIX is optional and can be : s – seconds m – minutes h – hours d – days When no SUFFIX is provided, by default, the NUMBER is considered to be seconds. where n is the pid or job ID of a currently executing background process (job). A shell script that runs fine on solaris. The output of the command will be ‘Hello World’. Take your Bash skills to the next level with an interactive course Ian Miell, author of Learn Bash the Hard Way. Syntax wait [pid] [jobid]Description. Python doesn't start up instantly - you need to account for that. For example, you can use it to pause the script before retrying a command … @BerryM. You need to use the sleep command to add delay for a specified amount of time. Run the following command from the terminal to execute a very simple bash statement. If n is not given, the command waits until all jobs known to the invoking shell have terminated.. wait normally returns the exit status of the last job which terminated. Bash wait command wait command stop script execution until all jobs running in background have terminated, or until the job number or process id specified as an option terminates. remark: on linux or OS X sleep 0.XXX works fine , but on solaris sleep 0.1 or sleep 0.01 - illegal syntax Make it python -c "import time; time.sleep(0.8)" instead. sign so that it loops until the command succceeds. The syntax is as follows for gnu/bash sleep command: sleep NUMBER[SUFFIX][donotprint] Only this way is possible . But then we need to factor in how long python startup actually takes. Top 25 Bash Commands. I need some code that open gnome terminal , waits for it to close and then run the second command . H ow do I pause for 5 seconds or 2 minutes in my bash shell script on a Linux or Unix-like systems? Quick note: Anything encased in [ ] means that it’s optional. The call to wait will pause the script until all backgrounded tasks have finished executing. Shell script runs fine in Solaris, in Linux hangs at wait command HI, I have a strange problem. here is the core of the script CFG_FILE=tab25.cfg sort -t "!" i need the main script to wait until those commands are finished , and the problem is that the main script is not waiting . However, as part of a script, it can be used in many ways. Some commands can be used without options or specifying files. Command from the terminal to execute a very simple bash statement that the main script wait. Level with an interactive course Ian Miell, author of Learn bash the Hard Way make it python ``! 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