Run a batch file in a new window from batch?
Is this what your after? start “New Window” cmd /c test.cmd
command
Batch program to to check if process exists
TASKLIST does not set errorlevel. echo off tasklist /fi “imagename eq notepad.exe” |find “:” > nul if errorlevel 1 taskkill /f /im “notepad.exe” exit should do the job, since “:” should appear in TASKLIST output only if the task is NOT found, hence FIND will set the errorlevel to 0 for not found and 1 … Read more
Run a command in a shell and keep running the command when you close the session
screen! It’s the best thing since sliced bread. (Yeah, I know others have already suggested it, but it’s so good the whole world should join in and suggest it too.) screen is like, like, ummmm … like using VNC or the like to connect to a GUI destop, but for command shell windows. You can … Read more
set -e and set -x in shell script
set -x Print shell command before execute it. This feature help programmers to track their shell script. set -e If the return code of one command is not 0 and the caller does not check it, the shell script will exit. This feature make shell script robust. set -e and set -x often appear at … Read more
How to insert a new element under another with xmlstarlet?
I had a similar problem: I had a Tomcat configuration file (server.xml), and had to insert a <Resource> tag with pre-defined attributes into the <GlobalNamingResources> section. Here is how it looked before: <GlobalNamingResources> <!– Editable user database that can also be used by UserDatabaseRealm to authenticate users –> <Resource name=”UserDatabase” auth=”Container” type=”org.apache.catalina.UserDatabase” description=”User database that … Read more
cmake installer for Mac fails to create /usr/bin symlinks
CMake 3.0 does not seem to come with an installer any longer. So I ran into a similar issue. Like @ComicSansMS said you need to first remove the symlinks using sudo rm. Then you can run the gui with sudo /Applications/CMake.app/Contents/MacOS/CMake and use the Tools -> Install For Command Line Use menu item. From some … Read more
Meaning of exit status 1 returned by linux command
The only general convention is that a zero exit status signifies success, whereas any non-zero exit status is a failure. Many — but certainly not all — command-line tools return exit code 1 for syntax error, i.e. you had too few arguments or an invalid option. Many — but, alas, not all — command-line tools … Read more
Linux head/tail with offset
From man tail: -n, –lines=K output the last K lines, instead of the last 10; or use -n +K to output lines starting with the Kth You can therefore use … | tail -n +2 | head -n 3 to get 3 lines starting from line 2. Non-head/tail methods include sed -n “2,4p” and awk … Read more