Why is the Sublime Text console not showing any output?
Jun 19, 2025 am 12:01 AMThe most likely cause of the problem is that the build system is misconfigured or the program execution is too fast, so the output cannot be displayed. First, check whether Tools > Build System has selected the correct language (such as Python, C, etc.). If you use custom configuration, you need to verify whether the command syntax is correct, and test whether there is output through print("Hello"); second, if the program runs too quickly, you can add input("Press Enter to exit...") at the end of the script or modify the .sublime-build file to add pause commands such as "cmd": ["sh", "-c", "python $file; read"]; third, check whether the console has hidden red error messages, make sure the compiler is installed and the path is correct, and try to switch the construction target with Ctrl Shift B; finally, confirm whether the output method is appropriate according to the language characteristics, for example, C/C needs to use getchar() to delay closing, JavaScript Need to support a custom build system or plug-in.
If you're running code in Sublime Text and the console doesn't show any output, there are a few common reasons behind it. The most likely cause is that the build system isn't configured correctly or the program finishes too quickly for you to see the result.
Here's what you can check and do:
Check Your Build System
Sublime Text uses build systems to run your code, and if it's not set up properly, nothing will show up in the console.
- Go to
Tools > Build System
and make sure the correct one is selected (like Python, C, etc.) - If you're using a custom build system, open it via
Tools > Build System > [your config]
and verify the command syntax - You can test with a simple print statement like
print("Hello")
to see if anything shows up
Sometimes, especially in languages ??like Python, the console closes immediately after execution — more on that below.
Program Finishes Too Fast
This often happens when you're running small scripts or simple programs — they execute and exit before you can read the output.
- Try adding an input line at the end of your script to keep the window open
Example in Python:input("Press Enter to exit...")
- Or, manually run your script from the terminal instead of Sublime's built-in console
- Another workaround is to modify your build system to include a pause
For example, in a.sublime-build
file, you might add something like:"cmd": ["sh", "-c", "python $file; read"]
This way, the console waits for user input before closing.
Build Errors Are Hidden or Misleading
Sometimes the console actually does show output, but it's not what you expect — like an error message that scrolls by quickly or gets buried in other text.
- Look carefully for red-colored error messages in the console
- If you're compiling C/C , make sure your syntax is clean and that the compiler is installed and accessible in your PATH
- If no output appears at all, try building with
Ctrl Shift B
and check different build targets
Also, if you're using a linter or plugin, it might be suppressing output or redirecting it elsewhere.
Use the Console Correctly for Your Language
Different languages ??behave differently in Sublime Text's console.
- In Python , standard
print()
works fine unless you're using a GUI-based app or async code - In C/C , you need a proper compiler setup (
g
orclang
) and may have to usegetchar()
or similar to prevent the window from closing - In JavaScript , the console doesn't run Node scripts out of the box — you'll need a custom build system or plugin
Make sure you understand how your language interacts with the console in Sublime.
Generally speaking, the issue comes down to either configuration problems or timing — the console is working, but the output disappears or never makes it there. Fixing the build system or keeping the window open usually resolves it.
Basically that's it.
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