Comspec Variable Windows Update Patches Applied
Comspec Variable Windows How To Construct Scripts
Comspec Variable Windows Download This Free

This is probably a simple question but the other answers I have found are for people who dont have the path at all.

A variable named Java Development Kit has no effect to your command line.

Making statements based on opinion; back them up with references or personal experience.

Not the answer youre looking for Browse other questions tagged java path javac or ask your own question.

Conclusion c has its place but not in this script. 2: Here is this weeks recurring theme, swap cmd for comspec.

Even though the tasks are straightforward, the syntax can catch you out, unless you pay attention to the speech marks and ampersands.

This Weeks Secret Scenario: You want to run a command prompt Example 1 To open a CMD or Dos Box.

Example 3 To pipe the Output to a text file Summary of ComSpec This Weeks Secret When I want a script that will open a Dos box, I cannot make up my mind whether ComSpec is better than plain cmd.

As ever, knowledge is power, so let us first find out a little more about ComSpec.

Open the System Icon by pressing the Windows key and PauseBreak, navigate to the Advanced Tab, Click on Environmental Variables button, and lo and behold ComSpec is listed as System Environmental Variable.

It turns out to be merely a placeholder for cmd.exe.

The nuance is that you could set ComSpec to call another program.

You may ask, What is the relevance of ComSpec to scripting The answer is for controlling VBScripts that employ.Run commands.

My dilemma is that SendKeys in Ezine 26 was very popular and so deservers more attention, on the other hand I worry about SendKeys because one wrong instruction and you could get disastrous results.

For example, your intention is to delete all internet temporary files.

Imagine your horror if you were in the wrong directory when you issued.

Comspec Variable Windows How To Construct Scripts

UGhhhhhhhh. This Weeks Secret is this, by comparing plain objShell.run cmd with fancy objShell.run ComSpec, it literally gave me perspective on how to construct scripts which employ dos type commands.

Comspec Variable Windows Update Patches Applied

Guy Recommends: SolarWinds Free Wake-On-LAN Utility Encouraging computers to sleep when theyre not in use is a great idea until you are away from your desk and need a file on that remote sleeping machine WOL also has business uses for example, rousing machines so that they can have update patches applied.

Comspec Variable Windows Download This Free

My real reason for recommending you download this free tool is because its so much fun sending those Magic Packets.

Download your free copy of SolarWinds Wake-On-LAN Scenario: You want to run a command prompt Let us pretend that this scriplet is a section in a much bigger script.

As part of the design we want to get the Command Prompt section working effectively.

The secret of success with comspec is to identify the three layers of command: 1) VBScript commands to create and then run the object: Set objShell CreateObject(WScript.Shell) objShell.Run 2) Understanding the switches used by comspec or cmd: c d k 3) A reminder of simple dos commands cd (Change Directory) dir (Directory Listing) Joining the Dos commands with ampersands ().

Prerequisites This script will execute on any Windows machine with WSH and where the ComSpec Environmental exists and is set to cmd.exe.

Instructions for Experimenting with DOS commands Copy and paste the example script below into notepad or a VBScript editor.

One advantage of a good script editor such as OnScript is that it has a run button, which saves you time when youre constantly adjusting the script.

Save the file with a.vbs extension, for example: CreateFolder.vbs Double click CreateFolder.vbs and check your cmd window (Dos box).

Guy Recommends: Tools4evers UMRA Tired of writing scripts The User Management Resource Administrator solution by Tools4ever offers an alternative to time-consuming manual processes.

It features 100 auto provisioning, Helpdesk Delegation, Connectors to more than 130 systemsapplications, Workflow Management, Self Service and many other benefits.

This scriplet seeks to just open the command prompt.

Comspec.vbs VBScript Comspec Example Author Guy Thomas Ezine 80 Version 1.4 July 2005 Option Explicit Dim objShell Set objShell CreateObject(WScript.Shell) objShell.Run comspec k WScript.Quit End of Example Comspec VBScript Learning Points Note 1: From a VBScript point of view see how we create a Wscript.Shell object (and not network object or an Active Directory LDAP: connection.) Note 2: ObjShell has about a dozen associated methods, here we need the simple:.run.

Script Editors help you explore other methods.) Note 3: As ever, play close attention to the syntax, especially the speech marks.

Note 4: Perhaps username is the most famous system variables, however, here VBScript employs comspec.

It means keep the command prompt window open and wait for the next instruction.

Challenges: VBScript Comspec Switches As this weeks scripts are short and relatively straight forward, all the more freedom to experiment.

Substitute c for k.

Not very interesting here, it closes the command prompt window before you see it Yet in other scripts you dont want the users to see a dos box.

Conclusion c has its place but not in this script.