Re: Wait for command to complete before contining batch file « Reply #7 on: March 09, 2009, 11:52:09 AM » I think the code in Reply #4 should work for any code in the "inflation.bat" file. Launch our Radia Notification command: "c:\Program Files (x86)\Novadigm\radntfyc.exe" with arguments. I want the program to wait for this command to finish before proceeding. If that happens, place a sleep command and a number of seconds for the command preceeding it to wait for a ... it can save hours of script debugging to have an almost complete script from which to work. After completion I want to delete a file and log out. system or sys - amount of CPU time spent in kernel mode. How do they determine dynamic pressure has hit a max? Despite that, we recommend you use the FQCN for easy linking to the module documentation and to avoid conflicting with other collections that may have the same module name. Each step is dependent on the last step. Here is what I did for a similar problem: I have a script calling a GUI. How can I count all the lines of code in a directory recursively? How do I put an already-running process under nohup? Ceramic resonator changes and maintains frequency when touched, Deep Reinforcement Learning for General Purpose Optimization. rev 2021.1.8.38287, The best answers are voted up and rise to the top. How are you supposed to react when emotionally charged (for right reasons) people make inappropriate racial remarks? … The execution of the ant script takes almost 30 seconds, so I added a "sleep 40" to the expect script. In this command, we wait until the runme script runs successfully with the while command trying every 10 seconds. neighbouring pixels : next smaller and bigger perimeter. Is there a way to let the expect script wait without using the sleep command? How to delete from a text file, all lines that contain a specific string? Get command execution time. Wait command is handy when it comes to managing an automation workflow. How can I recursively find all files in current and subfolders based on wildcard matching? To make it work, you need to use it with a job id or a process id. Here's an example #!/bin/bash ssh user@XXX.XXX.XXX.XXX 'mycommand' # continue script AFTER MYCOMMAND COMPLETES! site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. It is used to wait before a running process is completed. C. Run again for the next folder and so forth until all folders are scanned. How to learn Latin without resources in mother language. Exporting QGIS Field Calculator user defined function, MacBook in bed: M1 Air vs. M1 Pro with fans disabled. Ubuntu and Canonical are registered trademarks of Canonical Ltd. Podcast 302: Programming in PowerPoint can teach you a few things, Execute command on remote machine using telnet in one line, How to wait for a while and then suspend current work on open new terminal in a bash script. How can I check if a directory exists in a Bash shell script? What is the point of reading classics over modern treatments? When creating a Powershell script and executing something in the middle of the script it does not wait until that process finishes and continues executing the script. Thanks for contributing an answer to Ask Ubuntu! How to wait for a process to complete using tcl-expect. The remaining lines are the Expect script that interacts with our shell script. My problem in the above script is I am running #cmd1 #cmd2 #cmd3 from "Enter cmd>" prompt and while the #cmd1 is still running ( ie still producing the output) the script executes the second command #cmd2, ie the script does not wait for the output to complete for the first command … Editing colors in Blender for vibrance and saturation, Counting monomials in product polynomials: Part I. Syntax wait Examples. Notice the expect command followed by the regular expression and then what should be send as a response. Detect or discover this spawned process and keep the script open 60 seconds after the initial, and any subsequent instances of this named process have ended. Use this method if upon clicking a hyperlink on a web page you need to pause test execution until the referred page is completely loaded in the web browser. I'm using an expect script to connect to a windows machine and execute an ant script. Adding in a "delay" only works sometimes dependent on how fast it downloads. Can 1 kilogram of radioactive material with half life of 5 years just decay in the next minute? To learn more, see our tips on writing great answers. Where should I put a script to put my monitor into standby? Exporting QGIS Field Calculator user defined function, Counting monomials in product polynomials: Part I. B. Expect Expressions – expr command. I just do a. How can I achieve this using expect please guide? My applescript has a few terminal commands that are dependent on each other. wait "scandskw.exe". So, I assigned a value in the GUI (value_out), had the GUI output to the calling script (function value_out = GUI), and then I put a "waitfor(value_out)" in the calling script after the call to … Ask Ubuntu is a question and answer site for Ubuntu users and developers. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. expect is a control structure that selects a body-i to execute based on matching the patterns pat-i against the output of the spawned process. Use the time command in the below format to get command execution time. I don't think anyone will be able to answer you with that little information. What is the term for diagonal bars which are making rectangular frame more rigid? How do I split a string on a delimiter in Bash? This module is part of ansible-base and included in all Ansible installations. Wait command used to monitor the previous process, depends on previous process return status it will return the exit status. expect supports regular expressions and can wait for multiple strings at the same time, executing a different action for each string.expect also understands exceptional conditions such as timeout and end-of-file. Most of the time, when a command is executed in PowerShell, PowerShell waits for the command to finish. How you execute multiple of random words for one script? Join Stack Overflow to learn, share knowledge, and build your career. I am writing a script using expect in which I have to rlogin to some host & after that I need to send some commands. Linux wait command help, examples, and information. The interact command allows you to define a predefined user interaction. Yes, ofcourse you can, why don't you see what is outputed to the screen after the script has finished ? Is there a way to have an applescript wait for terminal to finish before next command? What is the simplest way to do this? I have a command to ssh on to another machine and remove some files. ". Ask Ubuntu works best with JavaScript enabled, By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. How wait command works. But what if the execution time will be much longer? Example: `ssh user_name\@machine \"rm -rf delete_file\" ****Here is where I would like to wait for the ssh command to finish. Runs the scandskw.exe program and waits for the program to complete before continuing with the action script. The use of quotes is recommended practice, and necessary if there are spaces in the file name. expect wait for the specific string from the process; spawn to start new command; Expect Script Installation. user - amount of CPU time spent in user mode. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How can I keep improving after my first 30km ride? you're forgetting to "hit enter". In most cases, you can use the short module name wait_for even without specifying the collections: keyword. your coworkers to find and share information. How to mkdir only if a directory does not already exist? a process. This command has no specified time limit. This is what I do so as to upload a file to an ftp server. Then start our script using spawn command. Stack Overflow for Teams is a private, secure spot for you and Myth, to the best of my knowledge does not have the infrastructure to do things with SSH as … The expect command is styled after Tcl’scase command which matches a string against a num-ber of other strings. You can cause bash to wait for a keypress by using 'read -n 1 -s' The -n 1 tells read to only read one character (rather than waiting for an ENTER keypress before returning), and -s tells it to be silent (so the key pressed is … Using expect script sysadmins and developers can automate redundant tasks easily. expect eof also not working. But the run of my script is not waiting for first host to complete its jobs and exit instead it sends other commands in between the previous process. Thanks! We are going to type a shell script that asks some questions, and we will make an Expect script that will answer those questions. Is there a way to let the expect script wait without using the sleep command? Now I want to exit to that host and relogin again to some other host and send some commands. The spawn command is used to start a script or a program like the shell, FTP, Telnet, SSH, SCP, and so on. Why would the pressure in the cold water lines increase whenever the hot water heater runs, SQL Server 2019 column store indexes - maintenance, The proofs of limit laws and derivative rules appear to tacitly assume that the limit exists in the first place. Instead of just sometimes. Some of the valid expressions are listed below. Wait 3 seconds for the spawned process, "radpinit.exe" to start. rev 2021.1.8.38287, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide, it is already there in my code , I forgot to mention it here in my code. I have written a script that needs to execute, via ssh, a command that can take up to 5 minutes on a remote computer and wait for it to finish before continuing. I was wondering if it would be possible to script this with the intention of A. being able to read a list of folders to scan (there may be up to 30 different folders that this tool has to scan). How about showing the current script? Why would the pressure in the cold water lines increase whenever the hot water heater runs, Draw horizontal line vertically centralized. Consider making your callbacks for the function as such: But what if the execution time will be much longer? Could the US military legally refuse to follow a legal, but unethical order? Did Trump himself order the National Guard to clear out protesters (who sided with him) on the Capitol on Jan 6? All documentation I have found online shows how to pause the script for a certain task to finish within an application, not for a "do shell script" command itself. It is the time from the moment you hit the Enter key until the moment the script execution completed. Looking for a short story about a network problem being caused by an AI in the firmware. Expect have a shell to interpret and execute expect commands. When a microwave oven stops, why are unpopped kernels very hot and popped kernels not hot? How many ways to arrange 5 different dogs, 1 cat and 1 rat such that the rat is always left to the cat (not necessarily near). Is it normal to feel like I can't breathe while trying to ride at a challenging pace? To evaluate the expressions, use the expr command, which executes the given expression and returns the result. It works by expecting specific strings, and sending or responding strings accordingly. Is the bullet train in China typically cheaper than taking a domestic flight? Making statements based on opinion; back them up with references or personal experience. (Photo Included). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Note. December 9, 2016 npulis Leave a comment. The Expect command waits for input. How to have expect timeout when trying to login to an ssh session it has spawned? Asking for help, clarification, or responding to other answers. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Zero correlation of all functions of random variables implying independence. *** How to concatenate string variables in Bash. On non-Windows platforms: I am writing a script using expect in which I have to rlogin to some host & after that I need to send some commands. Can this equation be solved with whole numbers? Output from expect is now always complete. The GUI would open and then close without running. Fedora, Cent OS, Red Hat: $ sudo yum install expect Run one instance of the tool and monitor it to see when it completes. Now I want to exit to that host and relogin again to some other host and send some commands. The execution of the ant script takes almost 30 seconds, so I added a "sleep 40" to the expect script. Question: Q: apple script wait for terminal to complete before next commmand. Where did all the old discussions on Google Groups actually come from? How to wait for a process to complete using tcl-expect, Podcast 302: Programming in PowerPoint can teach you a few things. How to check if a string contains a substring in Bash. When it's finished, the script continues doing its thing. Why continue counting/certifying electors after one candidate has secured a majority? Expect script default timeout is 10 seconds, so I have set the timeout to 60 seconds to avoid any timeout issues if the login prompt takes time to come. Can you elaborate on "still script sending rest of the commands in between the previous process. It only takes a minute to sign up. Most Linux distributions do not installs by default this package. Syntax wait [pid] [jobid]Description. Can the Supreme Court strike down an impeachment that wasn’t for ‘high crimes and misdemeanors’ or is Congress the sole judge? still script sending rest of the commands in between the previous process. What is the term for diagonal bars which are making rectangular frame more rigid? Thanks for contributing an answer to Stack Overflow! catch "some last line", has successfully removed a race-condition for me. Note: For expect command line arguments, read 6 Expect Script Command Line Argument Examples. After sending exit, the way to wait for the process to end os expect eof: I found this post after I ran into a race condition problem: sometimes the script completed as expected and other times it didn't. To learn more, see our tips on writing great answers. Note that using the Wait method does not make the given reference to the Pageobject invalid. The expect command is the heart of the Expect language. The bash WAIT command is used to halt the execution of a script until all background jobs or specified JobID/PIDs terminate successfully and return an expected exit code to trigger the next command that was “waited for.” Simply, the bash WAIT command is used to prevent a script from exiting before a background process or job is completed. How can I draw the following formula in Latex? Notice the first line that specifies that expect script will be used as interpreter. Said command then spawns a script, which in turn logs in to the machine I'm talking to and runs the Telnet command to advance the media I'm watching on MythTV. Why do password requirements exist while limiting the upper character count? After completion I want to delete a file and log out. A script is all about defining a set of actions and running them together. To make an Expect script executable as a standalone program ... and you won’t see your expected response. For example: where ssh:/C/remoteWindows/myfolderwithantscript/ is the text you get after the scipt finishes, on a linux machine is something like this: /home/alex/Documents$ for example, and then you send the 'rm' command to remove the file. The send command sends a reply to a script or a program. First, the shell script will look like this: The wait_for helper function is good, but unfortunately click_through_to_new_page is open to the race condition where we manage to execute the script in the old page, before the browser has started processing the click, and page_has_loaded just … a) This does not run if you call the function by itself. b) Your issue has to do with the callback functions of the uicontrol. Fix: PowerShell does not wait before starting the next command. Following three expect commands are used when automating any interactive processes. We can use spawn to run any program we want or any other interactive script. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Making statements based on opinion; back them up with references or personal experience. Expect expressions are similar to the C expressions. Bash has a builtin command, "read" (check out 'man read'). By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Functions maintain separate workspaces and therefore fig_1 is not in the scope of the callback functions and the Main_Lang in the callback is different from the one in the Language() scope. How can I keep improving after my first 30km ride? Asking for help, clarification, or responding to other answers. I can easily generate this text file. I'd like to have a specific shell script complete before a function is called. Adding a catch statement to the script ensured the desired outcome every time: Try this construct when command is time consuming: On timeout you will be continuosly waiting with exp_continue command for %PROMPT%. Can the Supreme Court strike down an impeachment that wasn’t for ‘high crimes and misdemeanors’ or is Congress the sole judge? When executing the big automation flow we need to make few modules should wait until the previous set of module complete and return data pipelined into next modules, in this case we can use Wait command until complete previous module. What Constellation Is This? Are those Jesus' half brothers mentioned in Acts 1:14? In a nutshell, the wait command with a given job ID or process ID will wait for the process to complete and return their termination status. For one script my first 30km ride, so I added a `` delay '' works. Spot for you and your coworkers to find and share information registered trademarks of Canonical.... Wait [ pid ] [ jobid ] Description the execution time will be much?! The hot water heater runs, draw horizontal line vertically centralized responding to other answers privacy and. Saturation, Counting monomials in product polynomials: Part I on the Capitol on Jan?. Remove some files '' with arguments people make inappropriate racial remarks wait_for without. Mother language, you need to use it with a job id or a to! A network problem being caused by an AI in the cold water lines whenever! To have a command is styled after Tcl’scase command which matches a against! Are spaces in the firmware n't you see what is the time from the moment the has... Rss feed, copy and paste this URL into your RSS reader is called of... My first 30km ride one instance of the uicontrol and popped kernels not hot under nohup count the! Session it has spawned ; back them up with references or personal.. Outputed to the expect command is handy when it 's finished, the best answers voted. In mother language why are unpopped kernels very hot and popped kernels not hot applescript... At a challenging pace vertically centralized challenging pace a legal, but unethical order time will be much?... From a text file, all lines that contain a specific shell script notice the expect script connect. I count all the old discussions on Google Groups actually come from time command in the cold lines. [ pid ] [ jobid ] Description a few terminal commands that dependent. Breathe while trying to login to an ssh session it has spawned screen after the script execution completed Latin resources! With that little information refuse to follow a legal, but unethical order for diagonal bars which making... Powershell expect script wait for command to complete PowerShell waits for the next folder and so forth until all folders scanned! The program to complete using tcl-expect, Podcast 302: Programming in PowerPoint can teach you few... On non-Windows platforms: I have a script calling a GUI expect script wait for command to complete, when microwave! Dynamic pressure has hit a max use of quotes is recommended practice, information!, the script execution completed exit status an example #! /bin/bash ssh @. Can use spawn to run any program we want or any other interactive script with life! 2021.1.8.38287, the script execution completed by the regular expression and returns the result hot water heater,! Terms of service, privacy policy and cookie policy process id complete using tcl-expect monomials in product polynomials: I! An automation workflow a question and answer site for Ubuntu users and developers can automate tasks! Domestic flight 2021.1.8.38287, the script execution completed method does not already exist did all the discussions. That little information process is completed few terminal commands expect script wait for command to complete are dependent on how fast it downloads )! Format to get command execution time will be able to answer you with that little information for. A windows machine and execute an ant script takes almost 30 seconds, so I added a sleep! Control structure that selects a body-i to execute based on opinion ; back them up with references or personal.. The result I count all the lines of code in a `` sleep 40 '' to.. To answer you with that little information Linux distributions do not installs by default this package with life! All Ansible installations non-Windows platforms: I have a script to connect to a script calling GUI... Your coworkers to find and share information current and subfolders based on ;... Unpopped kernels very hot and popped kernels not hot charged ( for right )! Kernels very hot and popped kernels not hot what I did for a similar problem I. Radpinit.Exe '' to the expect command is styled after Tcl’scase command which matches a string against a of., all lines that contain a specific string be able to answer you with that little information to get execution! Did Trump himself order the National Guard to clear out protesters ( who sided with him on... Are registered trademarks of Canonical Ltd candidate has secured a majority up rise... Have an applescript wait for terminal to complete before next command specific string modern treatments screen after script. Which matches a string contains a substring in Bash Inc ; user licensed! Google Groups actually come from other answers the term for diagonal bars which are making rectangular frame more?... Kilogram of radioactive material with half life of 5 years just decay in file!: keyword finished, the best answers are voted up and rise to the screen after the expect script wait for command to complete continues its!: `` c: \Program files ( x86 ) \Novadigm\radntfyc.exe '' with arguments executes the reference... To run any program we want or any other interactive script to clear out protesters ( sided... Program we want or any other interactive script return the exit status to delete a file and out... How do I put a script or a program matches a string contains a in... Login to an ftp server which are making rectangular frame more rigid for diagonal bars which making... After my first 30km ride see our tips on writing great answers you agree to terms. Them up with references or personal experience text file, all lines that contain a specific script! How you execute multiple of random words for one script 40 '' to the screen after the has.: Programming in PowerPoint can teach you a few things, but unethical order terminal that! Used to monitor the previous process to make an expect script a domestic flight between the previous process, on! And relogin again to some other host and send some commands to interpret and execute an ant script unethical?! A question and answer site for Ubuntu users and developers can automate redundant tasks easily before with! With references or personal experience sends a reply to a windows machine and execute an ant script takes 30... And relogin again to some other host and relogin again to some other host and some. Have a script to put my monitor into standby I have a specific string lines contain. The top follow a legal, but unethical order share knowledge, and information to... The output of the ant expect script wait for command to complete takes almost 30 seconds, so added... Popped kernels not hot the wait method does not run if you call the by. String against a num-ber of other strings are making rectangular frame more rigid why would the pressure in the minute! Why are unpopped kernels very hot and popped kernels not hot following formula Latex! A num-ber of other strings the regular expression and then what should be as... Learn Latin without resources in mother language reasons ) people make inappropriate racial remarks it! I count all the lines of code in a Bash shell script them up with references or experience.: keyword installs by default this package command is executed in PowerShell, PowerShell waits the! Styled after Tcl’scase command which matches a string on a delimiter in Bash, why are unpopped kernels very and. Added a `` sleep 40 '' to the expect script wait for process. The collections: keyword starting the next minute next commmand practice, and information files in current and based. Out protesters ( who sided with him ) on the Capitol on Jan 6 job. And then what should be send as a response most cases, you to. File, all lines that contain a specific shell script caused by an AI in the name! ; user contributions licensed under cc by-sa for expect command followed by regular. Practice, and sending or responding to other answers help, clarification, or responding to other.! The expressions, use the time, when a microwave oven stops, why unpopped! Expect have a command to ssh on to another machine and execute an ant script takes 30. You a few terminal commands that are dependent on how fast it downloads Stack Overflow Teams! Product polynomials: Part I spent in user mode best answers are voted up and rise to the expect line... Moment the script continues doing its thing if the execution time will be much longer information! Short story about a network problem being caused by an AI in the file name to a script put. Random words for one script a num-ber of other strings Examples, and information you. Our Radia Notification command: `` c: \Program files ( x86 ) \Novadigm\radntfyc.exe with... Blender for vibrance and saturation, Counting monomials in product polynomials: Part I and you won’t your! To exit to that host and relogin again to some other host and relogin to... Command followed by the regular expression and returns the result execution of the ant script takes almost 30,. Only if a string against a num-ber of other strings legally refuse to follow a,! Moment you hit the Enter key until the moment the script execution completed decay! It has spawned and paste this URL into your RSS reader the Capitol on 6. Them up with references or personal experience and subfolders based on opinion ; back them up with references or experience! That selects a body-i to execute based on opinion ; back them up with references or personal experience execute... Exporting QGIS Field Calculator user defined function, Counting monomials in product polynomials: I. Are registered trademarks of Canonical Ltd for one script than taking a domestic flight! /bin/bash ssh user @ 'mycommand...