Software :: Alternative To Cat For Piping Dvb Output To File?

May 12, 2010

I am looking for an alternative to cat for streaming the output (ATSC) of a dvb card to a file. cat works fine for a bit but there is some internal variable that reaches a size limit and stops it. As evident by the c error "variable has reached size limit" (sorry for the paraphrase I do not have the error in front of me.) That is ok, a co worker who knows c told me the best thing to do is to find some other utility to do this. cat /dev/dvb/adapter0 > test.mpg is what I am looking to replace. how to pipe this into some sort of compression utility.

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Ubuntu :: Building A Dictionary With A Bash Script - Piping The Output To A File

Sep 5, 2010

i'm building a dictionary with a bash script. it works perfect except i'd prefer something faster. btw i'm just piping the output to a file.

[Code]...

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General :: Piping Output Of List To Cp?

May 16, 2011

I have the following code

Code:

ls ~/ | grep ^[[:lower:]]

and would like to take the result of this output and use this as the basis for a cp command to move these files to another folder.

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Programming :: Piping Cat Output To Variable?

Jan 10, 2010

New to ubuntu and shell scripting in general... currently I stored some data into a text file. Right now, I would like to output the data from the text file and store it into a variable. Here's what I have so far:

READ_FILE=$(cat $FILE_NAME)

This definitely works and READ_FILE has the necessary data. However, this command will trigger an output to std output and I will see data on the screen, which is not what I want. I tried:

cat $FILE_NAME | $READ_FILE

and various other variants of this. It does not output to std output but neither does anything gets stored into $READ_FILE. I tried:

cat $FILE_NAME >> $READ_FILE

and it arrived at an error of "ambiguous redirect".

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Ubuntu :: Piping The Output Of The Shell To Notify-osd?

Apr 30, 2010

how would you go about piping the output of the shell to notify-osd?

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Ubuntu :: Piping Command Output Into Grep As Search Term?

Nov 11, 2010

I want to pipe the output of a command into grep as the search TERM, rather than the text to be searched, like this for example

Code:

cat /var/log/auth.log | grep date "&b &d"

so that I only see the lines in auth.log for the current day...but obviously that line doesn't work.... is there a way to do this with grep, or even another command?

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Server :: Sendmail Piping From A Text File

Jan 7, 2011

I'm trying to pipe from a textfile to sendmail.The command I'm using on teh sendmail server is:[root@sendmail-server test]# sendmail to-email-address@relay_server-address < test2.txt.I'm doing this because I was doing this from an aliases file just fine until about three weeks ago. The aliases file suddenly stopped working after the relay server received an inordinate amount of email from the From: address and for the To: address.

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Ubuntu Networking :: Capturing Data On .pcap File And Piping It

Jun 22, 2011

I have a GPS device which sends in data on port number 5000, i am able to capture the data into a pcap file using tcpdump. Now my problem is, i need to pipe the data into a text file as and when data arrives into the pcap file continuously.I did extensive search, but to no avail. been trying to solve this for the past 3 days. I use the following commands to capture and pipe the data, but that happens only once when i issue the command. I want this to happen continuously as and when the data arrives.

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Fedora :: Alternative Gnome File Browser?

Dec 27, 2009

I asking for an alternative to nautilus. The problem I have with nautilus is that it take up too much screen real estate, the icons are too big, etc. My screen is 1280 x 1024 and I dont plan on going higher.

Any alternative should have the option of using small, smaller icons and when resized keeps the smaller size the next time the file browser window is opened.

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Ubuntu Multimedia :: Alternative To X3 Player To Play .avi File?

Jun 3, 2010

I am looking for any alternative to X3 player to play .avi file that specifically play in X3 Player only (Not Working in VLC or ubuntu Media player)

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Ubuntu :: Set Up An Print-to-file-printer With An Alternative System To CUPS?

Oct 4, 2010

Does anyone know how to set up an print-to-file-printer with an alternative system to CUPS? The quality suck on CUPS and there's NO solution, at least i didn't found anyone

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Software :: Alternative To Audacity Decided Not To Be Able To Open The File It Saved 5 Hours Ago?

Feb 22, 2011

I have used audacity occasionally since... well, since ever. I grew annoyed by a very uncommon way to do the things, and for the occasional bug of the day (varying the bug depending on the concrete day, that is).

After I awoke in the morning to continue the editing, it seems that audacity decided not to be able to open the file it saved 5 hours ago (not much time to sleep, you see). I am looking for a piece of software that can do basic wave editing. I really don't need jack, ardour, rosegarden nor anything like that. I only do wave editing, and as said very occasionally.

So, is there any other wave editor that I can use instead of audacity? I don't even need it to be able to open the audacity .aup files. I will re-do the work if needed.

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Ubuntu :: Pdftk Output File With Pages Extracts Same Size As Input File?

Apr 22, 2011

I am curious if perhaps I am doing something wrong extracting pages from a pdf doc using pdftk and creating a new file. I am only extracting the odd pages from the file and outputting them to a new file that is now only 20 pages instead of the input's 40 pages, yet the new output file is still 1.4Mb in size, the same as the original.

It seems strange to extract only half the pages of a large document and end up with a result that is the same size. how to streamline the resulting pdf's using pdftk?

BTW this is the command I am using, in case perhaps I am missing an option to optimize file size or something:

Code:
pdftk A=ch15.pdf cat A1-40odd output odd.pdf

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Ubuntu :: Error (splicing File: Input / Output) While Copying File

Jun 3, 2010

When I try to copy PDF files from one folder to another folder, it give me this error: "Error while copying "2004-SNUG-Europe-paper_...log_DPI_with_SystemC.pdf". There was an error copying the file into /media/CCDCE66BDCE64F70/Backup Master/Heterogeneous_cosimulation/Documentation" "Error splicing file: Input/output error" What is the reason of this error and how can this be fixed?

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Ubuntu :: Copying File - Error Reading From File Input/output

Jun 29, 2010

I have a 7.2 GB file (VMWare virtual machine file) that I am trying to copy from its original location to the another folder OR to external hard drive...each time I try to do this, I always get the following error after the copying process reach 'exactly' 1.4 GB

Error reading from file input/output error

And I have to either Cancel or Skip

I've tried to split the files to smaller pieces but the idea didn't work as I still get the same error whenever I try to compress/ split or do any operation with this file. how I can copy this file?

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Programming :: Variable String File Base - Output File Doest Not Exclude The Values In Grep -av

May 1, 2011

My script.

This is may script:

Code:

Problem: Output file doest not exclude the values in grep -av

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General :: Data From Input File To Be Taken And Send To Output File?

Jul 24, 2010

I am new to shell scripting.What i am trying is to write a shell script which take the input file and output should like as mentioned below.Output file should have data till SOK (marked in red)from every second line and then the selected data(marked in green) from 4th line.So selected data from 2nd and 4th line in one line of O/P file and then similarly selected data from 6th and 8th line in second line of O/P file.Input File:

3c3
< c1111;11.11.11.11;pOK;SOK:abcde;Universe:aa
---

[code]...

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General :: Script To Ftp A File To Remote Machine - Log The Output To A File?

Feb 5, 2010

I am using below script to ftp a file to remote machine

Code:

#!/bin/bash
ftp -nv <<EOF
open ${SERVER}

[code]....

When I execute the above file its working fine and displaying output on to the screen. How can I log the output to a file?

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Programming :: Sed - Save Output To File With Filename From Content Of Another File?

Feb 28, 2011

My employer issues pdf files with everyones work schedules. I copy the content and save it as plain text in a file called unformatted (hope to be able to automate this step someday). Im working on a SED script that reduces unformatted to only display what I want to see and saves the result in a file Ive named formatted. After that I have to manually copy formatted and save it with that days date as a filename e.g. 2011-02-25 or whatever day is scheduled in the pdf, for use on a mobile device (Nokia N900). I noticed that the date occurs on certain lines in the file so I added a line like:

sed -n 's/^Date: (201[1-9])/([0-1][0-9])/([0-3][0-9]).*/1-2-3/p' < unformatted >theDate
That creates a file theDate with the date in it that I wish to use as the filename for this particular instance. So I would like to skip the file formatted all together and have the sed- script write to a new file using the content of the Date as a filename, but how do I make that happen? And of course it would be more elegant if I could skip the intermediate theDate file as well.

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General :: Piping Find To Rsyncrypto?

Aug 21, 2010

I am setting up rsyncrypto to create a backup of my user directory. I read that to exclude directories I need to exclude with find and pipe to rsyncrypto.

I am trying to exclude all .svn directories from getting encrypted and synced.

Here is the find command I'm using. I don't see any .svn directories in the output:

find ~/Documents -type d ( -name .svn ) -prune -o -print

But when I pipe the output to rsyncrypto I see lots of .svn directories getting encrypted.

find ~/Documents -type d ( -name .svn ) -prune -o -print | rsyncrypto -vc --trim=3 --filelist - /tmp/Documents/ Documents.keys backup.crt

rewrite the command to exclude from rsyncrypto any files/folders that have .svn in their path?

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Programming :: Procmail Piping To A PHP Script

Aug 6, 2010

I have my .procmailrc file set up to pipe mail to a simple php script I've written. The only thing the script does at this point is echo back a "hello" message. However, procmail does not execute the script properly.

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Programming :: Piping In Bash Using Python?

Dec 16, 2010

I have a bash script that I want to import in to Python, mainly just to see if I can or not. However in the script I do use some piping of commands into sed to trim it down to what I need. When I tried doing it with the os.system() call, it didn't work. The exact error is

sed: -e expression #1, char 16: unterminated `s' command

However the command that was run can be run in bash without an error. Is there a better/another way to do this? For reference the command is:

Code:

locate -n 1 wp-config.php | sed 's/wp-config.php/
/g' | sed '/wp-config.php/ d' | sed '/^$/ d'

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General :: Redirecting Or Piping 'somecommand?

Oct 31, 2010

kernel 2.6, slackware 12.0mkisofs 2.01If I do 'ls --help|more' all's well. 'mkisofs --help' outputs its help screen, and I can use Shift+PgUp/PgDn to scroll through it. But I can neither pipe it to more or to less, nor redirect it to some file. more is simply ignored. Less, gets into less but only the last screenful is seen. Redirection, i.e. 'mkisofs --help>john.txt' produces an empty file (size= 0).

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General :: Determine The Actual Command That Is Piping?

Feb 11, 2011

Let's say I have a bash script called log.sh. In this script, I want to read in input from a pipe, but I also want to know the command used to pipe input into me. Example:

tail -f /var/log/httpd/error | log.sh

In the shell script, I want to know the command tail -f /var/log/httpd/error.

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General :: Piping Video Device Over SSH Or Tcptunnel ?

Aug 11, 2011

I want to attach an analog camera to an old linux computer and directly pipe the /dev/video0 to another computer, where I can use it as a device again (so /dev/video0 should go to /dev/remote0, for example)

(Reason for doing this is that the computer does not have enough power to encode the video)

Is that possible? I've seen people can pipe the data directly from the device over ssh into mplayer, but I need to have some sort of reference point for Zoneminder.

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General :: Details On Piping Information Into Command

Feb 15, 2011

I am sure this has been covered before, however I do not know which terms to sue for searching for this, so I will try and explain it.

I have a program that I run at startup to connect me to my work VPN, specifically the Cisco VPN client. When running the program, it prompts me for my username and password. I would like to be able to automate the login process by piping the username and password into the program everytime it starts up (username and password cannot be passed as arguments to the program)

Something like echo username | echo password | vpn_script

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General :: Piping Data To Multiple Outputs?

Mar 29, 2011

I remember there was a command that would allow me to pipe data to an app and the use the | operator to pipe it into yet another app.

foo fooArg | Iforget app1 | app2

I forget what this command is but it pipes the data from foo into app1 and app2.

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CentOS 5 Server :: Procmail: Piping To A Php Script?

Aug 6, 2010

I have my .procmailrc file set up to pipe mail to a simple php script I've written. The only thing the script does at this point is echo back a "hello" message. However, procmail does not execute the script properly.

Here's my script (/home/webs/site.com/scripts/echo.php):

#!/usr/local/bin/php
<?php
echo "hi.";
?>

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General :: Get Output File From A Master File?

Aug 3, 2010

having following problem in linux environment.I have a following basic file with name " BASEFILE", as shown example below :

sl.no pol.no name status loan
1 123 rama FORCE 500
2 234 jama LAPSE 800

[code]...

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Server :: NFS Large File Copies Fail - Error Writing To File: Input/output Error?

Jun 27, 2009

I recently upgraded my file/media server to Fedora 11. After doing so, I can no longer copy large files to the server. The files begin to transfer, but typically after about 1gb of the file has transferred, the transfer stalls and ultimately fails with the message:

"Error writing to file: Input/output error"

I've run out of ideas as to what could cause this problem. I have tried the following:

1. Different NFS versions: NFS3 and NFS4
2. Tried copying the files to different physical drives on the server.
3. Tried copying the files from different physical drives on the client.
4. Tried different rsize and wsize block sizes when mounting the NFS share
5. Tried copying the files via a different protocol. SSH in this case. The file transfers are always successful when I use SSH.

Regardless of what I do, the result is the same. The file transfers always fail after approximately 1gb.

Some other notes.

1. Both the client and the server are running Fedora 11 kernel 2.6.29.5-191.fc11.x86_64

I am out of ideas. Has anyone else experienced something similar?

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