Ruby save console output to file

This answer uses a little known command called script which saves all your shell's output to a text file until you type exit. The command output still appears on your screen but also appears in the text file.

Many times we want the output to go to the clipboard so we can paste it later. From this answer you can use:. To avoid that issue and save the command output in real-time, you may append unbuffer , which comes with the expect package. More information: How can I save a command output to a file in real-time? For cron jobs etc you want to avoid the Bash extensions.

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Learn more. How do I save terminal output to a file? Ask Question. Asked 7 years, 11 months ago. Active 1 month ago. Viewed 2. How do I save the output of a command to a file? Is there a way without using any software? I would like to know how. Improve this question. Add a comment. Active Oldest Votes. Improve this answer. Pablo Bianchi 9, 3 3 gold badges 51 51 silver badges 92 92 bronze badges. Seth Seth I'm trying to do this with gcc command but it doesn't work. It works with other commands, but not this one.

It simply creates the output file with nothing inside it. Nik-Lz Often this is because the command is sending all its output on stderr. If gcc is generating error messages, this seems likely. See Slothworks comment for how to capture stderr instead of stdout. I have a problem that it stops writing when the file reaches about 8MB. Is this a known limit? Show 8 more comments. To write the output of a command to a file, there are basically 10 commonly used ways. Overview: Please note that the n.

Here is how you would clear the console:. Here's a helpful tip, you can also type cls into the console and execute that command to clear the conolse.

Its not a Ruby method, so you can't use it inside of a Ruby file. It will only work when typed directly into the Ruby Console. And lastly, you can also show or hide the console. Since you've got it open, lets go ahead and hide it. Here is what that code looks like:. How can you as a developer know all the methods and classes available to you? For example, in this lesson you were able to interact with the Ruby Console via ruby because SketchUp adds API methods that let you do that.

Get it? Below is a simple example where we are opening a file test. Append mode means each time when we execute the code it will add the new content in the new line. This type of operation is performed when we need older content and new content on the file system. We can explain the below example in two important steps. Write mode means each time when we execute the code it will add the new and remove older content.

This type of operations are performed when we do not need the older contents. There are two main steps which we are performing they are given below.

Here argument w indicates we are opening the file in write mode. In the below example we are not opening the file, we are directly writing content on the file with the help of the method write. We are performing two main operations which can be explained in two steps. From this tutorial we learned about writing on the file system, we saw various ways of writing on any file system with the help of available methods in Ruby.