Sep 22, 2016 · In our example, the MyFolder directory does not exist, so the second command creates the directory. Combining Multiple Operators. You can combine multiple operators on the command line, too. For example, we want to first check if a file exists ( [ -f ~/sample.txt ]). If it does, we print a message to the screen saying so ( echo “File exists.”).
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Assuming you want to give, in a SQL*Plus script, a default value to a bind variable (named "q" in the below example) and you don't know if this bind variable already exists or not. If it exists and has a non-null value you want to keep it. You can do this in a script like this one ("q" is the bind variable you want to check and set):
Summary: Microsoft Scripting Guy, Ed Wilson, writes a Windows PowerShell function to see if a command exists before calling the command. Microsoft Scripting Guy, Ed Wilson, is here. This Thursday, February 21, 2013, I will be on the PowerScripting Podcast.I always enjoy talking with Jon and Hal, and while I am not sure of the actual agenda, I do know that we will be talking about my new ...
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Oct 19, 2019 · -G: The file exists and owner by the user's group-h or -L: The file exists and is a symbolic link-k: The file exists and has its sticky bit set-O: The file exists you are the owner-p: The file exists and is a named pipe-r: The file exists and is readable-s: The file exists and has a size greater than zero-S: The file exists and is a socket
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Red Hat Enterprise Linux 4 Red Hat Enterprise Linux 5 Race condition in backend/ctrl.c in KDM in KDE Software Compilation (SC) 2.2.0 through 4.4.2 allows local users to change the permissions of arbitrary files, and consequently gain privileges, by blocking the removal of a certain directory that contains a control socket, related to improper interaction with ksm.
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The example below shows how to detect if the $profile variable leads to a directory or a file: Run Netwrix Auditor → Navigate to "Reports" → Open "User Behavior and Blind Spot Analysis" → Go to "Information Disclosure" → Select "File Names Containing Sensitive Data" → Click "View". Click "View Report".
Jul 21, 2017 · If you run this command on Linux, UNIX, or Windows and the existing queue manager is WebSphere MQ Version 7.1, or later, it is assumed that the user has applied the appropriate security configuration to meet their requirements, and therefore channel auth security is not disabled.
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I have tested this with Windows NT 4 SP6, and it works all the way through Vista…so you are safe using it on any of these versions of Windows. Check out our Windows Admin Tools One more thing…Subscribe to my newsletter and get 11 free network administrator tools, plus a 30 page user guide so you can get the most out of them.
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Operating System-specific instructions for doing this from the command line are in the Windows, Linux/Unix (bash), and Linux/Unix (csh) sections. Note that using this method, the settings will only be valid for the command line session you run them in. Note: Do not install Ant's ant.jar file into the lib/ext directory of the JDK/JRE. Ant is an ...
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Aug 04, 2020 · From the command prompt: start net spooler from the command prompt by first launching the command prompt by browsing to Start > Run, typing “cmd,” and then pressing the Ctrl + Shift + Enter keys. Windows 10: In the search box next to the Windows button (bottom left of your screen), type “cmd” and hit Ctrl + Shift + Enter.
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Within a batch script, "IF EXIST" can be used to check whether a file exists. Furthermore, with "DEL /F" you can delete a file. The /F ensures that even readonly files can be deleted. Accordingly, the command could look like that: IF EXIST test.txt DEL /F test.txt. If the file test.txt exists, the DEL command will be executed and the file to be ...
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Sep 11, 2020 · Net User Command Availability . The net user command is available from within the Command Prompt in most versions of Windows including Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server operating systems, and some older versions of Windows, too.