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Tag: environment-variables

In Bash scripting, are commands following an ‘&&’ operator considered child processes of the preceding command?

I’m trying to make sense of the scoping precedence of environment variables in Bash. I’ve come to understand that when you use a script to modify environment variables, those modifications are only available to child processes. That each script creates its own environment scope it can modify and that scope is passed off to child processes, but doesn’t effect the

preserve inline variable with sudo

Hi i’m trying to make something like this to work in bash but i keep getting an empty line, the only thing that works so far is: what i would like to achieve is the ability to inline a variable for the sudo command i also tried this as suggested here but with no luck, am i missing something? Answer

Adding to $PYTHONPATH with bash script

I wrote a bash script to add to my $PYTHONPATH. My .sh file has the following: What I want to be added to my .bashrc is: However I can only get it to add: I don’t want the actual $PYTHONPATH value to be added to my .bashrc, just the variable name. Please help! Answer Use single-quotes: The shell does not

No JDK found. Please validate either STUDIO_JDK, JDK_HOME or JAVA_HOME environment variable points to valid JDK installation

I’m running Ubuntu 15.10. So, I just uploaded the Android Studio from the site. After that I unpacked the zip file. Went to android-studio/bin and found studio.sh. Sit permission to be executed chmod +x studio.sh. Ran the file to install with this line: ./studio.sh. Then I had the error I have already netbeans installed. I just ran the instalation package

Removing trailing bin/java at end of environmental variable in linux

I am trying to compile mahout, I have temporarily changed the JAVA_HOME variable like this: and I checked that it was changed correctly using this command: which returns: But when I run mahout mvn clean install -DskipTests=true I run into this error: Error: JAVA_HOME is not defined correctly. We cannot execute /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.33.x86_64/bin/java I am not sure how this bin/java has

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