Ubuntu :: Shell, Auto Append Number To File And Read From External File?

Oct 31, 2010

Code:
cat ${SOURCE}/{start,universal,index,end}.txt > ${SERVER}/index.html
cat ${SOURCE}/{start,universal,02042010,end}.txt > ${SERVER}/02042010.html

[code]....

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General :: Port Number Auto Append

Jun 20, 2011

we have centos and a win2k8 server. Our pos system is on the centos server. I created a HOST (A) record on win2k8. so users don't have to remember the ip address of the centos server.so i created a friendly name like URL... and the POS web page will be loaded.but my questions is it possible to configure the centos to automatically append the port number if the user type URL... will be auto added at the end of it.

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General :: Read From Input File And Append To Multiple Files?

Nov 22, 2010

I wanted to be as clear as possible. I have to add hundreds of new servers to hundreds of configuration files in Nagios. Here is a sample structure:

servers.txt has:
SERVER3
SERVER4

[code]....

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General :: Read .gz File Direct On Shell/terminal Without Decompressing The File?

Dec 9, 2008

How can I read .gz file direct on shell/terminal without decompressing the file?
satimis

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Programming :: Read The File Add Number And Get The Average?

Apr 29, 2010

I have a file which has several entries with

# comment 1
1245
# comment 2
5667
# comment 3
456456

how can I read the file, sum the numbers ( "avoid" the #lines) and then get the average of the numbers?

I do awk '{s+=$0} END {print s}' /tmp/file.txt. and this give me the sum correctly, but how can I get also the average ?

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Programming :: Algorithm - File System Block Number For Immediate Read

May 20, 2010

algorithm:breada
input: file system block number for immediate read
file system block number for asynchronous read
output:buffer containing data for immediate read {
if(first block not in cache) {
get buffer for first block
if(buffer data not valid)
initiate disk read }
if(second block not in cache) {
get buffer for second block)
if(buffer data valid) //line 1
release buffer else
initiate disk read //line 2 }
if(first block was originally in cache) //line 3 {
read first block
return buffer }
sleep (event first buffer contains valid data)
return buffer }

Here is an algorithm for block read algorithm. I have problem in
line 1: If buffer data is valid why is it releasing the buffer?
line 2: If buffer data valid why is it initiating disk read. It should have read directly from buffer?
line 3: It should be the first condition as if it is there in cache then it should return it without delay?

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General :: Determine Number Of Rows And Columns Of File In Shell?

Mar 4, 2010

if there's a tab-delimited file under /usr/desktop, how can I determine the number of rows and columns of the file in shell?And, if told the the 3rd column of the file contains only numerical values and all values in the 5th column are unique, how can I verify these in shell?

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Debian :: Append File Content In Another File When Pattern Matches

Feb 5, 2010

I have a file, say abc.txt, whit some text lines.The I have a second file, say 123.txt where at a certain point one can read "WORD".I would like to append the whole content of abc.txt (as it appears in abc.txt) in the line after "WORD".

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Programming :: Append Contents Of One File To Another Existing File?

Nov 17, 2008

I have two files list1.cfg and list2.cfg both files contains differentrecords details like

List1.cfg
NAME1:25:C:NAME LINE1:
NAME2:25:C:NAME LINE2:
CITY:25:C:City:

[code]....

Now I want to append contents list2.cfg to list1.cfg(It ispposible using cat list2.cfg >>list1.cfg) but I want to check if content of (record) in list2.cfg is present in list1.cfg then dont append it otherwise append it.

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Programming :: Read A Value From A File In Shell Script?

Mar 12, 2010

So my firefox's profile.ini file looks like this:less .mozilla/firefox/profiles.ini

Code:
[General]
StartWithLastProfile=1

[code]...

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General :: Windows Access The File From Ubuntu Got Read Only Even Though Have A Full Permission To Read, Write And Execute The File?

Feb 4, 2010

What are the possible problem when Windows access the file from Ubuntu got Read Only even though have a full permission to read, write and execute the file? Ubuntu to Ubuntu accessing the file there is no problem only Windows got a problem.

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Programming :: Shell Script To Read A Certain Segment Of A Text File?

Jun 15, 2010

I have a text file that looks sort of like this:

Code:
blah blah blah
tons of unimportant stuff we don't care about

[code]...

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Programming :: Shell Script To Delete Files Which Location Should Be Read From Log File

Jun 26, 2010

I have 2 external hdd in wich I have all my files. yesterday, I have copied all the files from hdd2 to hdd1 and I want to eliminate duplicates so I used FSLint to find them,now I want to make a shell script to delete all the files/entries (read from the log file) that begin with.

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Programming :: Finding A Shell Script To Delete Files Which Location Should Be Read From A Log File?

Jul 16, 2011

I have 2 external hdd in wich I have all my files.... yesterday, I have copied all the files from hdd2 to hdd1 and I want to eliminate duplicates so I used FSLint to find them, now, I have a txt file that looks like this:

Code: /media/My Book/!!!MIS DOCUMENTOS/Documentos/2 sep2003-jun2009 USB/!TESIS/TESIS/TESIS CVT LABVIEW Y CODEWARRIOR/LabVIEW85RuntimeEngineFull.exe /media/My Book/HDD_Toshiba/Borrable/Pen_Drive_4GB/Tesis/Super CD de la tesis/LabView/LabVIEW85RuntimeEngineFull.exe multiplied by millions of entries...

now I want to make a shell script to delete all the files/entries (read from the log file) that begin with:

Code:

/media/My Book/HDD_Toshiba/**** Since HDD_Toshiba is the folder in hdd1 (MyBook) that contains all the files from hdd2

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General :: Get Output Of Text File Containing Account Number, Debit Amount, Credit Amount,date Using Shell Script?

Apr 9, 2011

How to get output of text file containing account number, debit amount, credit amount,date using shell script?

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General :: Append File Name

Oct 7, 2009

I know similar questions have been asked before but I cannot seem to get it to work.I have a file file.something.nhMMYY that i need to ftp (MMYY being Month and Year)I want to add something into the script to auto-magically insert the MMYY.

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General :: Script To Insert Number Of Lines In A File To The Start Of The File?

Sep 17, 2009

I'm looking for a way to insert the number of lines in a file to the start of the aformentioned file. This should be simple but as I am not used to scripts in Linux, I am finding it tough going. I can find the number of lines in a file easily enough via

filesize=$(awk 'END {print NR}' $1)

but as for inserting this into the first line, i'm failing to do so. I've tried some of the other approaches on these forums but none so far have been able to do so.

I've tried:

sed '1i$filesize' $1

but sed i requires a string, not a variable so no go I've also tried:

mv "$1" "${1}.bak" 2>/dev/null || touch "${1}.bak"
cat $filesize "${1}.bak" >"$1"

but again with no luck as cat seems to need an input stream Just to recap, i want to insert a line at the start of a given file that holds the number of lines the original file has.

ie the file:

a
b
c
d
e

should become:

5
a
b
c

[code].....

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Ubuntu :: Permission Denied When Trying To Append To File / Fix It?

Feb 8, 2011

Sudo echo fuse >> /etc/modules

Any idea why that'd yield a "bash: /etc/modules: Permission denied" error? Here's what "stat /etc/modules" says code...

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Programming :: Bash Shell Script Read File Word By Word?

Jan 21, 2011

I have a output file look like this:
{"test1" : "test2", "test3" : "test4"},

How can I read word by word in each line?This is not working code:

a=0
while read word
do a=$(($a+1));

[code]...

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Security :: Is There Way To Specify Append Only Permissions For File?

Sep 12, 2009

Is there a way to specify append only permissions for a file?

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Software :: Append Text To File

Dec 2, 2009

I want to append some text to the file, files are mostly big, more then 100 mb. I found the cat command, so I can create a new txt file and then append it to the original file with it. Two questions:

1. Can I append text to the file instead of creating the new file and then appending it to the original file? eg:
Code:
cat file.avi "some text" > newfile.avi
2. cat takes several seconds to execute the merging files together, it seems that it is reading the original file first, is there a way skip the reading and just append the file?

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Ubuntu :: Append Data To A File Where Immutable Flag Is Set?

Mar 10, 2010

I want to append data to a file where immutable flag is set..So i have tried this command chattr +a file_name to append data..But i am unable to append the data..

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General :: Append # Begining File In Perl

Nov 28, 2010

Can you please let me know how can i append # in the begining of each line Based on a a search string lile /^8282##8282/gc

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Programming :: How To Append Text To Second Line Of File?

Nov 6, 2010

Say I have a text file like:
Code:
1
3
4
How would I use ksh to put the number '2' into the second line of that file?Okay it's not bash, it's ksh because this computer is OpenBSD

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Programming :: Append Text To The Beginning Of A File?

Jan 14, 2010

I am trying to append text to the beginning of a file. This is what I have so far.

Code:
date_default_timezone_set('America/Chicago');
$date=date("m-d-Y g:i:s a");

[code]....

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Programming :: Unable To Append To A File Through Perl/CGI

Apr 6, 2010

where I'm trying to demonstrate the file locking concept through Perl/CGI.Here is the script which I tried.

Code:
#!/usr/bin/perl -w
use strict;
use warnings;
print "Content-type: text/html

[Code].....

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OpenSUSE :: Append Text To An Entry In An Existing File?

Aug 30, 2010

How do you append text to an entry in an existing file? For example, lets say I have a file called "env.logon" in /home/myself/bin that contains the following text:

PATH=/bin:/sbin If I wanted to add, via command line, ":/usr/bin:/usr/sbin" to the PATH= and I
used the "echo" command (echo "PATH=:/usr/bin:/usr/sbin) it would create a second entry and my file would look like:

PATH=/bin:/sbin
PATH=:/usr/bin:/usr/sbin
What I want is for it to look like:
PATH=/bin:/sbin:/usr/bin:/usr/sbin

Is there a way to get this result via command line?

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Programming :: [Java] Append Something To Each Line In A Text File?

Apr 15, 2009

I am thinking of appending something to each line in a text file with Java. I prefer not write a new file with content appended from the old one.That 'something' would probably be Time Stamp when the file is created (which is same for each line).I am not sure Java provide some easy way for it or not

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Programming :: Append A Block Of Text Into A Particular Section Of A File?

Mar 16, 2010

So I have file which looks something like this:

cat .opera/operaprefs.ini
Code:
[User Prefs]
Language Files Directory=

[code]...

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Ubuntu :: Unable To Create Trashing Info File: Read-only File System

Jul 21, 2010

I plugged in my USb drive into my computer yesterday and tried to delete a folder. I was unable to do so and got the following message

Cannot move file to trash, do you want to delete immediately? The file "my file" cannot be moved to the trash. Show Details Unable to create trashing info file: Read-only file system

So when I click on delete I get another error message:

Error while deleting.
There was an error deleting Case Study Database. Show Details Error removing file: Read-only file system

At this point I can only click on Skip, Skip All, or Cancel.

I have not changed anything on the stick recently so I dont know what is causing the problem.

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