Not sure exactly how you want to use this, but here’s a basic example to get you started: echo ‘fooman@example.com’ | tr ‘A-Za-z’ ‘N-ZA-Mn-za-m’ To make it easier, you can alias the tr command in your .bashrc file thusly: alias rot13=”tr ‘A-Za-z’ ‘N-ZA-Mn-za-m'” Now you can just call: echo ‘fooman@example.com’ | rot13
To open Windows Explorer at the current folder, just enter: explorer .
Something like the following bash script will retrieve the lastest com.company:artifact snapshot from the snapshot repo: # Artifactory location server=http://artifactory.company.com/artifactory repo=snapshot # Maven artifact location name=artifact artifact=com/company/$name path=$server/$repo/$artifact version=$(curl -s $path/maven-metadata.xml | grep latest | sed “s/.*<latest>\([^<]*\)<\/latest>.*/\1/”) build=$(curl -s $path/$version/maven-metadata.xml | grep ‘<value>’ | head -1 | sed “s/.*<value>\([^<]*\)<\/value>.*/\1/”) jar=$name-$build.jar url=$path/$version/$jar # Download echo $url … Read more
From the doc: command – Executes a command on a remote node The command module takes the command name followed by a list of space-delimited arguments. The given command will be executed on all selected nodes. It will not be processed through the shell, so variables like $HOME and operations like “<“, “>”, “|”, and … Read more
You have two options: Suppress rm warnings $ rm tempfl.txt 2> /dev/null Redirect script output to /dev/null $ ./myscript.sh 2> /dev/null The latter has a drawback of missing all other warning messages produced by your script.
Update February 2015 Just noticed that Emacs now (version 25+) has the command comint-clear-buffer, bound to C-c M-o by default, that does what we need here, and probably is preferable to the answers I originally posted below. Options to consider: C-l will recenter the buffer. Pressing it repeatedly cycles the buffer, so that point appears … Read more
To quickly explain what the others missed: echo “hey” >&2 > redirect standard output (implicit 1>) & what comes next is a file descriptor, not a file (only for right hand side of >) 2 stderr file descriptor number Redirect stdout from echo command to stderr. (If you were to useecho “hey” >2 you would … Read more
Edit: Note that the original post has been edited since this answer was written and has been reformatted. You should look at the history to see the original formatting to understand the context for this answer. This error occurs often when you have mismatched structure – that is, you do not have matching double quotes, … Read more
you can use script module Example – name: Transfer and execute a script. hosts: all tasks: – name: Copy and Execute the script script: /home/user/userScript.sh
Just calling jq without a filter will throw errors if stdout isn’t a terminal $ curl https://jsonplaceholder.typicode.com/posts/1 | jq > test.txt jq – commandline JSON processor [version 1.5-1-a5b5cbe] Usage: jq [options] <jq filter> [file…] jq is a tool for processing JSON inputs, applying the given filter to its JSON text inputs and producing the […] … Read more