General :: Opening Text File After Doing /dev/null
Dec 8, 2010
I ran a program that writes continuously from 1 every line. After some time I ran '/dev/null > temp' Problem1: bash: /dev/null: Permission denied (Yes, the permissions of /dev/null are correct ... crw-rw-rw-. I removed and created it again, but no change) I used 'cat temp' to see the contents and first few lines deleted (working correctly). Problem2: I can't open the file (with double click or with any graphical editor like gedit)
Apart from these problems, I have another question... Is there a way to trim a active log file to say 80% without affecting any logs that server might be writing.
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Dec 22, 2010
I have installed CUDA-BLASTP on C2050.It is giving me an Error:"Bad address Error opening matrix file (null) for reading" while i am running with following query file and dataset:
./CUDA-BLASTP -i ./data/raimondii_contigs.fasta -d ./data/DB_sorted.fasta
and i am using BLOSUM62 as a matrix file which is already present in package.
And getting the error:"Error happened when the number of GPUs is 0" while i am running CUDABLASTP with a part of dataset taking as a query file and dataset is same. above mentioned error is comming from file "CUDA_Blast.cu" included in package.
else
{
printf("Error happened when the number of GPUs is %d
", localGPU_N);
exit(0);
}
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Dec 18, 2010
What does this message mean:
'(gedit:14074): Gtk-WARNING **: cannot open display:'
I'm trying to open a text file from another computer via ssh. Is it a permission problem.
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Jan 26, 2011
opening a text file from glade interface.how?using c code
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Apr 29, 2010
I am a beginner at programming and have been given an assignment by my professor. Its a text file with lines of varying lengths. All I have to do is write a code to open the file and see the output in an excel sheet. Have been asked to use C/C++ or visual basic
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Feb 3, 2010
The problem that I am having now is that I can not is the text when the menus come up or when opening a file from the cd or curraculum on line. I have cairo-dock running and a conky running. Could this be the couse of my problem? I was going to uninstall and reinstall packet tracer but I am unsure on how to uninstall.
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Apr 16, 2011
I have text files (.txt) to open with gedit but every time I try to open a text file it says:
Code:
Do you want to run "Installed programs", or display its contents?
And if I press Display it will open. How do I make it open automatically?
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Feb 15, 2011
I know GEdit has a bug which prevents it from opening a file with null () characters in it. This is a huge inconvenience for me because I frequently have to open big log files with only a couple rogue 's in them.
Sometimes I just run a quick tr -d '' < file.log > file.log.correct and open the correct file. This is a big nuisance. I would like to have maybe an external tool in GEdit that would execute the above command. I tried writing an external tool action (GEdit plugin) using just:
#!/bin/bash
tr -d ''
Input is "current document", output action is "replace current document". But this isn't working. When I open the file, GEdit shows the familiar red warning; activating the external tool with the warning showing apparently has no effect (I think the script is being called but its input/output are not set).
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Mar 7, 2010
Using ubuntu 9.10
If I'm in a terminal window, and I open a file by typing eg :
It opens as a blank document... I know it has text in it though!
I've tried with other files and also with nano so it's not just a problem with a particular file.
How do I view the current contents of the file so I can then edit it?
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Aug 5, 2010
I have a server running Red Hat Enterprise Linux ES (2.6.9.55.ELsmp). When it starts up I get the following error: Uncompressing Linux... Ok, booting the kernel. Red Hat nash version 4.2.1.10 starting WARNING: can't access (null) exec of init ((null)) failed!!!: 14 unmount /initrd/dev failed: 2 Kernel panic - not syncing: Attempted to kill init!
After that I got no response from the OS. I have the installation CD, so I tried to start the rescue mode, while going through the steps I received an error stating that mounting to /mnt/sysimage failed and that if I want to I can access a shell. I really don't know what to do from here
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Apr 28, 2011
I'm trying to be able to Open a text editor without needing an existing file.This is my code:
case $ans in
"Show Today") echo "$(date)";;
"Show Calendar") cal;;
[code]...
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Apr 28, 2010
How could I replace text in one file with text from another file using sed?
The text in each of the files would be surrounded by a starting and ending delimiter or a starting tag, say like /* */ so to easily find them.
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Jan 12, 2011
I need to read a binary file using my C++ application. That binary file may contain arbitary characters and it also contains 0 at some places. I need to read the file without considering null terminating character. (i.e. considering 0 as a normal byte and not as the end of the string)Can some one suggest me a method to read the buffer while ignoring the null terminated character.
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Feb 6, 2011
im trying to output a list of running processes via a shell script. At the moment i got this which outputs the processes to a text file called out.
echo $(ps aux) >>out
The problem is though, the processes are all just one big block of text which makes it hard to read. Does anyone know how to sort the output to a text file so that it prints to the text file at 1 process per line? I know its probably simple but im very new to linux.
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Apr 21, 2010
I have the following working script. It checks the directory for txt files, if files are there, it copies to another directory or gives error. I would like to exclude "file not found" errors and send them to /dev/null. All other errors should go to the email address as usual.
Code:
#!/bin/bash
function err
{
if [[ $? -ne 0 ]]
[Code]....
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Oct 29, 2010
So I have Python file :
Code:
#!/usr/bin/env python
print 'python'
raw_input('')
And another :
[Code]....
as it should. I don't want to take such a hassle always running python by path.
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Mar 20, 2011
I am in need of a way to distiguish what processes are opening a particular file.
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Mar 24, 2010
If there's some file, how can i forbid user to open it ? Ex. some text file or video file and forbid regular users (except root) to open/play it . Wouldn't chmod work here or should i use some other method ?
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Jan 28, 2009
I have a text file called file1.txt containing many lines eg.
line1
line2
line3
line4
line5
line6
Then i have another text file called file2.txt contains
3
5
6
Is there a command to remove the lines in file1.txt based on the keywords in file2.txt? note: It should remove line3,line5,line6 based on 3,5,6
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Jun 20, 2010
I really hate this warning when I try to open certain types of files in gedit: (using ubuntu lucid)
Quote:
Do you want to run File.c or display its contents?
"File.c" is an executable text file.
Open in Terminal; Display; Cancel; Run
Is there any way to remove the warning? I have never once clicked anything other than display, and when I'm opening lots of files, having to hold down ALT-D to get rid of these warnings.
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May 31, 2011
Well title say it all how do you disable the screen programs opening text in 11.04 so you do not have to hit the enter key twice to get by the two pages of text to actually be running the program you started.
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Aug 23, 2011
I am running an Ubuntu(10.04) box and I am attempting to understand an error in a program.I don't have access to the source of this program, but I know it isn't working properly because it cannot find a particular file. I was wondering if it would be possible to monitor what file are accessed(more specifically denied access) by a process. My first idea was to breakpoint on fopen, but I didn't have any success.
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Nov 13, 2010
i recently installed Fedora 14 and when i'm trying to open any file i'm getting this error
[root@blitz Documents]# gedit /home/blitz/Desktop/test
**
GLib-GIO:ERROR:gdbusconnection.c:2270:initable_init: assertion failed: (connection-
[code]....
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Oct 23, 2010
I have a MP3 player which is owned by Root. I have tried the following: in terminal - chown as both my usual log-in and root operation not permitted. I ran chown as both su, root, and myself. In Nautilus - I can't change any of the file attributes again opening it as any of the users above. I used to be able to copy files over to the MP3 player but not the Sandisk but not I can't copy or do anything to the files on both.
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May 12, 2010
i have the following graphic card:Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 03) i think appropriate drivers are installed at the time of installtion! but the compiz (desktop effects) are not working! i have installed nvidia-settings! it says: You do not appear to be using the NVIDIA X driver. edit your X configuration file (just run `nvidia-xconfig` as root), and restart the X server. then i tried to run "sudo nvidia-xconfig" but it says"command not found!
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Mar 26, 2010
I have some text files (Just plain text files, not OpenOffice files or anything) and when I try to open them in Windows they are all one line. I think I read somewhere that Linux uses for new lines whereas Windows uses or something... I am using Kate to edit them, and I have a LOT of files to fix so...
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Jun 17, 2011
localhost not opening php files text editor
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Jun 27, 2011
Problem in adobe reader. Computer is hanging when opening .pdf file.
I recently installed adobe reader 9.4.2 on my computer. Im using mandriva. Do anyone knows how to reconfigure adobe reader?
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Apr 8, 2010
When I try to run totem it crashes when opening a file. I'm using mandriva linux 2009 spring edition.
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Aug 23, 2011
I need to be able to convert HTML email messages saved as text files (.eml or .msg) to PDF documents, one PDF per email, retaining formatting and images.
Are there any Linux tools that will allow me to do this from the command line (so it can be scripted)?
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