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25
votes
5answers
2k views

Does running commands verbosely make them slower?

I've found myself using the -v flag for lots of applications less and less (especially for trivial stuff like tar and cp). However, when I did and I was, say, unzipping a large file, it would take ...
14
votes
3answers
896 views

How can I suppress chrome-extension:// output from Web Inspector's console log?

I don't wish to disable my extensions – after all they're there for development purposes – but I want to disable their output from the console in Web Inspector. Is there a way to do this? N.B. a very ...
8
votes
5answers
34k views

Change the audio output device in Firefox

I'm trying to play music through Ventrilo and currently I use Virtual Audio Cable. The way it works is that in foobar2000 (a music playing program) I set the output device in preferences to Virtual ...
7
votes
3answers
3k views

How to disable the output of 7-Zip?

I use 7-Zip to compress files inside a batch file like this: ...\right_path\7z a output_file_name.zip file_to_be_compressed I got the following output: 7-Zip 4.65 Copyright (c) 1999-2009 Igor ...
7
votes
1answer
1k views

pipes vs. redirects

I've been using pipes and redirects for a long time and just realized that I don't know exactly how they are different. I just know that if you want to store the output in a file, then you use >. ...
4
votes
2answers
1k views

How to copy FAR file manager's output

Hi guys, how do I copy FAR-Manager's console output? For example when I use ping command I want to copy it's output text, but not image. Oh, and I would like to do so with keyboard! :)
4
votes
2answers
78 views

Is there a program that can colourize the output of any linux command?

Or would I have to write my own? What's the best language for building a tool of this kind? I'm kind of new to linux, but I'm guessing that you could pass the output of a program to a particular ...
4
votes
3answers
5k views

How do I change my audio output device without making it the default one?

I want to combine two streams using a program called Virtual Audio Cable, and listen to the combined stream, while not making it the DEFAULT sound output device. Is there a way to listen to an output ...
3
votes
5answers
3k views

Output from rpm -qa, how to extract only the name of the package?

The output format from the command rpm -qa looks like the following: abrt-1.1.14-1.fc14.x86_64 abrt-addon-ccpp-1.1.14-1.fc14.x86_64 abrt-addon-kerneloops-1.1.14-1.fc14.x86_64 ...
3
votes
2answers
929 views

What is the use of binary output on stdout?

Some programs print their binary output directly on stdout. Here are some examples: tar -c file.png dd if=file.png Well, I see that the output can be redirected to a file. But these programs ...
3
votes
1answer
397 views

How can I see the console output on linux like in windows?

Well, let's say we have a application that runs in a console and is for both windows and linux. On windows when you double click the application a command window opens and the application runs, you ...
3
votes
1answer
5k views

Redirect audio from laptop to desktop over LAN

I want to be able to play a song on my laptop and have it sound through my desktop's (infinitely better) speakers. If you're familiar with Input Director: I want something that is to audio what Input ...
3
votes
2answers
70 views

Launching an linux executable not from the command line

If you have an executable file *.out that you launch from the GUI (let's say by pressing Alt+f2 in fedora and typing it's name), what happen if that file tries to read or print to standard ...
3
votes
2answers
278 views

Vim/Cygwin: No linebreaks in :! output

I'm using Vim via MinTTY under Cygwin. When I issue a command like :!ls -la the displayed output doesn't show newlines correctly. It rather just jumps to the virtual column of the next line, where ...
2
votes
2answers
899 views

How can I log the output of the mv command in Linux?

I'm using the command: mv -v -f sourceDir destDir How can I output the verbose console out to a file?
2
votes
1answer
107 views

Console command redirect to nothing

Is there a way to redirect Windows console commands to nothing\null? A regular redirection might look like: prog.exe > a.txt However in my case I would like to redirect the output so that it ...
2
votes
1answer
2k views

Can an integrated HDMI port work both ways?

Say I had a laptop [Correction: notebook, don't want my thighs medium rare], any OS, and it has an HDMI port build into the side. Would it be remotely possible to hack it into an input, provided it ...
2
votes
1answer
818 views

Different output when redirecting

$ mysql -e 'select a,b from tablefoo' databasename yields +---+---+ | a | b | +---+---+ | 1 | 0 | | 2 | 1 | +---+---+ whereas $ mysql -e 'select a,b from tablefoo' databasename > file ...
2
votes
1answer
525 views

How can I find out how big my encoded file will be?

I am converting a video using the following command: ffmpeg -i "input.avi" -vcodec mpeg4 -r 15 -sameq "output.avi" However I'm only interested in the file size of output.avi. Is there a command I ...
2
votes
2answers
196 views

Redirecting output to email

I am aware that in Windows you can use the following snippet to redirect the output of a command line tool to the clipboard: mytool | clip Also, it can be done with files: clip < myFile.txt I ...
2
votes
1answer
548 views

How to hide debugging output in Mathematica?

I want hide all outputs created by Print command from user's function defined in module .m. More precisely the problem is following: I have a module that solves some specific task (It's not ...
2
votes
1answer
3k views

DVI to VGA adapter only working in one output

I have a AMD Radeon HD 6800 Series graphics card which has 2 DVI outputs. I tried to set it up with 2 monitors which both have vga connectors on the end and used 2 dvi to vga adapters like these. ...
2
votes
8answers
11k views

I have no sound on my computer The speaker icon has a red x on it and it says: No audio output device is installed

I have no sound on my computer The speaker icon has a red x on it and it says: No audio output device is installed. I have done everything step by step following the Window Help and support, Compaq ...
2
votes
3answers
154 views

grep -c gives inconsistent outputs

I am trying to determine the number of processes that are running via the following command line: ps aux | grep -c 'Xvfb :1' When the process "fiji :1" is not running I sometimes get a value of 0 ...
2
votes
1answer
115 views

Does anyone know a way to play a video file with two its audio streams being simultaneously streamed to different output devices?

I would like to know if it is possible to listen to one audio stream via the audio-jack speakers and to the other via the usb headset (that would just give me an ability to watch movies in English ...
2
votes
1answer
779 views

Ubuntu Skype: How can I split ringing and calls to headphone and main speaker on a laptop?

I'm running Ubuntu 10.04 on a Fujitsu Siemens Amilo Pi 1505 laptop. Normally, when I plug my headphones in, all sound is diverted to them. I haven't found anything in sound preferences that changes ...
2
votes
0answers
109 views

Smoothly switching between dual-monitor mirroring and video output

I am currently building a little homestudio and I want to achieve the following: I have a Windowws 7 machine hooked up to a DVI-Monitor and a HDMI-Monitor. Most of the times I want both screens to ...
2
votes
0answers
586 views

Handbrake output directory to include Title folder

I am using handbrake to convert my DVD's to .MP4 and have set the default output path Tools -> Options -> Output Files In here there is Default Path: which I have pointing to my Movies folder ...
1
vote
3answers
148 views

Single-line input to multiline output in Unix

How can I use a filter to display something like: echo "Hello there" | H e l l o t h e r e
1
vote
2answers
460 views

How to show linux “cmp” command progress?

Is there a way to show the progress when running the cmp command? Comparing large files or partitions using cmp can take a while. I have searched google and used man cmp, but failed to find any ...
1
vote
1answer
79 views

How do I create a new file with text outputted from a command?

I just wanna create a file with the outputted text from a command, rather then copying and pasting & making a new file by hand. I'm on a unix machine.
1
vote
3answers
602 views

See process output after being disconnect from a SSH session

I'm connecting to my web host from Windows 7 using putty ssh. When I start a script in the remote host, sometimes I get disconnected. I have to connect again, and from the command "ps aux" I can see ...
1
vote
1answer
51 views

Linux - Output to Folder that Yet Exists (in one command)

Is it possible to achieve this in one command without requiring a script: echo "test" > /folder/that/does/not/exist/newFile.txt
1
vote
3answers
911 views

iptables LOG actio writes to STDOUT

when I use LOG action in some chane of iptables rules, I get the output both in STDOUT or STDERR of the xm console and in /var/log/messages. Is there way to make iptables to write only to log ...
1
vote
3answers
283 views

Sound card with Multiple Jacks

If a laptop has multiple output sound jacks, like in HP DV6 series, I am able to get output from the all the jacks. i.e the same output is received. I would like to ask if I can get different sound ...
1
vote
3answers
3k views

How to pipe awk output (with periodic, continuous input) to output file?

I am trying to write a command that pipes the continuous output of a free command (run every second) to an awk command that parses a specific value (available free memory) and outputs this to a file ...
1
vote
3answers
876 views

Command line output to split files

I want to be able to split an output from a command line that goes into a file. I want either or both of the following ways to split: Split based on file size. If it gets to say 500kb, then create a ...
1
vote
1answer
984 views

USB sound card with 6.3mm jack output

I have a pair of Sennheiser 555 semi-professional headphones. These have a 6.3mm jack and a 3.5mm jack adapter. I wish I could buy an USB sound card for my laptop that would have a 6.3mm output not ...
1
vote
2answers
4k views

Dump batch script output into a text file without specifing batchfile location beforehand

Im aware that i can get the output this way (to capture both standard and errors): [batchFilePath] > [logFilePath] 2>&1 Or this way for standard output: C:\MyBatchFile.bat > ...
1
vote
1answer
97 views

Dump output from REPL

I'm writing SML programs, and I'd like a way to quickly see the output from running a program in the REPL without actually running the REPL (to quickly see if a program has syntax errors - I plan to ...
1
vote
2answers
741 views

How to redirect script output to a text file and continue despite log-out

What is the difference between: nohup bin/admin/release.sh > /users/john/release_output 2>&1 & and bin/admin/release.sh > /users/john/release_output & I want to run ...
1
vote
1answer
73 views

Detect batch output presence

I've got a daily scheduled .bat batch script that runs Fossil, and automatically commits that day's changes to my projects' source tree. Now I've set it to run every day, including the weekends, ...
1
vote
3answers
575 views

Copy and paste RESULTS of a file search

In order for me to get the results of a file search in a readable format, I use the following command line in a command prompt: dir *.* /s > myResultList.txt I then open that list in Excel, use ...
1
vote
1answer
105 views

Malformed output from shell text editor using SSH(putty) from windows to mac

I am using putty to SSH into a mac, if I try to edit a file with pico, nano or vi I get an output similar to this: [username]$ pico textEdit.txt ...
1
vote
1answer
5k views

Using adapter with higher output voltage?

My adapter is broken, and I'm currently using another one while I'm waiting for a new adapter. The input voltage and amps are the same for both adapters, while there are difference in the output ...
1
vote
1answer
2k views

What are usual maximum output frequencies on computer sound cards?

Exactly what it says on the tin. I have a Sound Blaster X-Fi Xtreme Audio Notebook sound card and I was measuring its output frequency using frequency counter connected to the card's output. ...
1
vote
1answer
1k views

Direct sound from speakers (output) to mic (input)

This is an attempt make Skype and Ventrilo more fun/easier. I'm essentially looking for a method/hardware/application that does essentially the same thing as me physically moving my speakers to beside ...
1
vote
0answers
169 views

How to force an application to play through a selected audio output? Win8

There are multiple programs and games that don't give me the option to choose which device I want it to playback through. I can change my default device and the program will change with it in realtime ...
1
vote
1answer
48 views

Output script to audio in Ubuntu?

I am playing around with algorithmic and generative music (at this point it's all generative noise). I have a simple Python script which outputs numbers (ala "bytebeats"). I want to listen to the ...
1
vote
0answers
176 views

webdav davfs2 input/output error

I've got a box.com account configured in a Linux system so a user can mount it in a certain mountpoint and access its contents. It is declared in fstab as: https://www.box.com/dav /media/box davfs ...