So, if you are choosing the tee utility implementation between the above, then a better choice is the UnxUtils or mtee. This will create a log file with the current datetime and you can the console lines during the process. I use a batch subroutine with a "for" statement to get the command output one line at a time and both write that line to a file and output it to the console.
This way it won't break on the default of white-space. Safer to keep this order of DO commands in case there's an issue writing the file, we'll at least get the echo to the console first.
Otherwise you'd see:. Solving this in CLI isn't quick or pretty. Redirecting Error Messages. Following helps if you want something really seen on the screen - even if the batch file was redirected to a file. The device CON maybe used also if redirected to a file. How do I display and redirect output to a file. This works in real time but is also kind a ugly and the performance is slow. Not well tested either:. Save the above to a. It splits text output on filestream 1 to filestream 3 also, which you can redirect as needed.
In my examples below, I called the above script splitPipe. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Displaying Windows command prompt output and redirecting it to a file Ask Question. Asked 12 years, 8 months ago. Active 5 months ago. Viewed k times. Improve this question. Edward Thomson Ammu Ammu. The similarities between cmd.
None of these work if one has a console application that loads a dll that outputs text. The main application text gets redirected to a file but the output from the dll does not and continues to be displayed in the console window. I have found NO way to capture the text from the dll. What if i am using a command line utility and want to redirect the output to a file in the exact same format as displayed on screen i used youtube-dl to extract links and could redirect the output to a txt file , but its not formatted as you will get in the prompt , in the file its coming as single line.
Add a comment. Active Oldest Votes. To expand on davor's answer , you can use PowerShell like this: powershell "dir tee test. Improve this answer. Community Bot 1 1 1 silver badge.
Saxon Druce Saxon Druce This is the most close answer: it works on default install, as PS is already there on most machines and, especially, servers. Consider adding '-Append' so the log file doesn't get truncated each command start. For example powershell "node server. Show 6 more comments. Christopher Painter This satisfies the answer, but outputs the data after the dir command has completed rather than as the data is produced.
I like this simple answer! LHC -- Only by using a utility like tee. There are various packages to get unlx-like or linux-like utilities that run on windows. There is no native Windows way. Brian Rasmussen Brian Rasmussen k 34 34 gold badges silver badges bronze badges. The link points to a Windows implementation of the Unix command tee, so it does work on Windows. Yeah, voting up the answer and the comment. I'd actually prefer CygWin since it has everything but some people prefer non-DLL tools that they can pick and choose.
Lots of Unix utilities are also ported by GnuWin32 project, see gnuwin Tweet Share Email. If it doesn't, it will be created. Instead of overwriting the output file, it appends the command output to the end of the file.
Was this page helpful? Thanks for letting us know! Email Address Sign up There was an error. Please try again. You're in! Thanks for signing up. There was an error. Tell us why! More from Lifewire. How to Delete Temporary Files in Windows. How to Create a Batch File in Windows We'll see how we can use this later.
Ok, now that we get the idea of this concept of "streams", let's play with it. Copy the following code into Notepad and save it as "test. It is said Console cannot be redirected, and I believe that's true. I can assure you I did try! In this case, we could also have used test. With the NUL device that's no problem, but when redirecting to a file one of the redirections will lock the file for the other redirection.
The result will be an empty logfile. While the accepted answer to this question is correct, it really doesn't do much to explain why it works, and since the syntax is not immediately clear I did a quick google to find out what was actually going on.
In the hopes that this information is helpful to others, I'm posting it here. This is because error messages are often sent to the Standard Error stream instead of the Standard Out stream. Output from a console Command Prompt application or command is often sent to two separate streams. The command dir file. If you redirect the output to the NUL device using dir file. So you get a cumulative logfile, showwing the results from all runs of the process - typically more useful.
If an application uses buffered output, it may happen that the text of one stream is inserted in the other at a buffer boundary, which may appear in the middle of a text line.
A dedicated console output logger I. Obviously, use whatever commands you want and the output will be directed to the text file. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Redirect Windows cmd stdout and stderr to a single file Ask Question.
Asked 12 years, 4 months ago.
0コメント