General :: Copy Some Lines In A File And Delete These After?

Jul 20, 2010

I have a file that contains 100 ligns, i need to write a script that read 70 lignes and redirect those 70 ligns to another files and these 70ligns have to be erased in the first file

when i write this command
head -70 somefile.txt>test.txt
or

sed -n 70p somefile.txt>test.txt

i have these 70 lines in the text.txt files
but these 70 lines have to be deleted inthe first file somefile.txt

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General :: Delete Last 6 Lines Of File With Sed

Jun 5, 2011

looking to delete the last 6 lines of a file with sed. figured out how to delete the last line..but i want the last six.

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General :: Delete Lines From File By Their's Length

Apr 27, 2010

i've got a file with sorted words - one on each line.How could it be possible to delete thouse lines that have words of length 1 or 2 (1-2 letters). I guess a good way it will be with AWK, n its fuction length(), but getting it, i dont know how to delete those very lines.

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General :: Delete All Lines In A File Which Consists Of Particular String?

Mar 21, 2011

i am having following lines in a file called test.

subscribe parser for dinesh
extend size for dinesh
subscribe parser for anish
unsubscribe parser for dinesh
extend size for arvind

I want to delete all lines which contains the string "dinesh". Is it possible.

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General :: Copy Lines Starting And Ending With Specific Pattern From Multiple Files To A File?

Jul 27, 2011

A function by name abc is called in many files. I want to copy all the lines with the function call to an output file.A simple grep on function name doesn't help me as the function call is spanning across multiple lines as follows:

abc(parameter1,
parameter2,
parameter3);

So I want to copy all the three lines (till semicolon) to the output file.The problem is because there are more than 200 calls for the same function and I cannot do it manually

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General :: Delete All Lines Containing A String, Plus 4 Lines Below It?

Jan 26, 2010

I've come across an unusual requirement for a service in my Ubuntu system.Simply put, I need to find a way to search for all instances of a term in a file, delete lines containing containing that term, and delete four lines below each instance of that term. ither that, or copy the entirety of a file to a new file and skip over all lines containing the term plus four below it.This sounds kinda weird, I know. Without going too far into detail, I either have to change the logfile format for a server I'm running which is a huge pain in the butt, or I can just run a script to edit an HTML report generated from said logs. (Said report is really just for managers to peruse, and I like my log format, so I'm pursuing option 2.)

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Programming :: Sed Delete Lines From File One If Regexp Are Listed In File Two?

Sep 17, 2009

I am trying to delete lines of a file if they contain text that is present on another file. For example

> cat one.txt:

a
b
c
d

[code]....

I get the following output:

> ./test.sh one.txt two.txt
a
b
d
e

[code]....

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Ubuntu :: Using Sed Or Awk To Find And Delete Lines In A File?

Dec 21, 2010

I have a bunch of text files, all of them have a .txt extension. They are all located in subfolders of the /MyTextFiles folder (but could be anywhere, no idea what depth). If any line in any of the text files has the word "hello" I want to delete that entire line. I know sed and awk are made for this problem but I can't seem to get the syntax correct.

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Software :: Delete Top Lines Of A Text File Until A Word Is Met?

Jul 7, 2011

I need to chop of the top 30ish lines of several log files until a line starting with "Initialization completed."The trouble is that it's not always the same amount of lines that need to be deleted, and they don't always contain the same information, which is why I would need to delete everything priorhe line starting with "Initialization completed."Right now I have a little script I wrote based on looping each file through several "grep -v" commands with each known pattern of lines I want to ignore, but it is tedious and I have to inspect each file afterwards to make sure nothing is left from above "Initialization completed

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Programming :: Delete Multiple Lines In A File Using Perl?

Apr 15, 2011

I have a file looks like the following:

digraph topology
{
"192.168.3.254" -> "10.1.1.11"[label="1.000", style=solid];
"192.168.3.254" -> "10.1.1.12"[label="1.000", style=solid];

[code]...

Order of these lines are random... So I cannot delete line #19, for example... And you can see that top four lines I want to delete are pairs. So there might be some clever way to detect the lines, if a line has both "1.9" and "1.11", then delete the line... I am new to perl language. The following is the code I have now... I think I just need to write some code inside the while loop checking if I want to delete the line $dotline before I write to a NEW file.

Code:

#!/usr/bin/perl -w
$TOPPATH = "/tmp";
$NAME = "topology";
$FILENAME = "$TOPPATH/$NAME.dot";

[code]....

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Programming :: Sed/awk: Three Consecutive Blank Lines In A File - How To Delete Two Of Them

Jun 16, 2010

I have a file with three consecutive blank lines. I want to delete two and keep one.Also, if anyone could direct me towards a guide on regular expressions particularly as they apply to sed, I would be grateful. I am having a hell of a time figuring out the syntax.

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Server :: Find A String In A File And Delete That Line As Well As X Lines After?

Jun 24, 2010

I need to find a string in a file ... then delete the line it is on, as well as the next 6 lines. Or, delete the line the string is on and all subsequent lines until the search finds the character "["

example:

filename = test.txt

contents:
[foo]
test>test
test>test
test>test

[Code]....

so, in this example. I'd like to search the file for string 'foo' and delete all lines from that line until [bar] (not deleting the line with [bar])

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Programming :: Search File By Pattern And Then Delete Corresponding Lines In Shell?

Sep 16, 2010

I have such a file(test.txt):

abc 123 456
abc 256 145
axd 125 225

[code]...

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Ubuntu :: Select Lines Containing Word And Copy To Another File?

May 31, 2011

I am trying to find a way to search a text file for a certain keyword and then select each line containing the word , copy and paste these lines into another text file. I can do this easily with UltraEdit but I cannot figure out how to do it in Jedit or Scite.

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Programming :: Copy Lines From Multiple Files To One File Using Sed -w?

Aug 25, 2010

I've been trying to sort this out for several hours and I?m totally lost? I?ve been searching around, but haven?t found the solution to my problem. I have a directory with 100 files. I need to copy 10 lines of each files (let?s say from line 45 to 55) into one unique file. So I guess I could use sed ?w, but I didn?t manage to write the right script. I also tried using a loop to create 100 different files, each one with the 10 lines) to concatenate them later on. But I only got 1 file, not 100.

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General :: Why Seq 10 Sed Just Delete Three Lines

Jun 30, 2011

Code:
[root@station3 ~]# seq 10 | sed -e '1,2d' -e '1,2d'
4
5
6
7
8
9
10
We can see that sed just deletes the first three lines. How "seq 10 | sed -e '1,2d' -e '1,2d'"works?

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Debian :: Automatically Delete USB Flash And Copy New File

Aug 26, 2010

How can I automate the following: When I insert a flash drive into any of the available USB ports, some kind of script or software, must automatically mount it, delete everything off the flash drive, copy an audio file back to it and then automatically unmount the USB.Maybe I should setup some kind of Kiosk to use the above functionality - would that be easy?

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General :: Use Sed To Delete All Lines Before First Match Of A Pattern?

Apr 14, 2010

I have to use sed with this problem, and sed is extremely complicated, they could probably teach a whole class on this entire function.

Here's an example to show what I need to do:

Code...

how would I say that every line before I reach the first match of "sweet" should be deleted so that the output will look like: Code...

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General :: How To Delete Empty Lines In OpenOffice Calc

Jun 17, 2011

How can I delete empty lines in OpenOffice Calc?

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General :: Replace Several Lines In A File With Other Lines In Another File?

Oct 26, 2009

I have this massive table file with some data in it and I want to replace some lines that are wrong with the correct ones that are in another table file of the same format. The wrong lines are not all together in a block but randomly distributed so I need to make a loop checking if the line is in the other file and if it is, replace it. I want to try and do it with sed or awk but I don't really know how to....

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General :: Delete Duplicate Lines Without Removing First Instance Of That Line?

Feb 7, 2011

I have a file "test.txt" with following data

#1
aaa
#2
bbb
#3
aaa
#4
ddd

I wanted it to be displayed as

#1
aaa
#2
bbb
#4
ddd

I used awk "'!x[$0]++' test.txt > file.new"
,but it deleted #1 also.I tried using uniq command but i didn't work.
Can anyone Please let me know is there any way to do this using shell script.

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Ubuntu :: When Drag The File To Install It Again It Says Something Along The Lines Of It Cannot Copy A Directory Over A Directory?

Feb 19, 2010

I downloaded a mouse theme form gnome look and installed it in the themes. But it has not appeared in the pointer themes section in custimation even though it said that it is installed correctly.When I drag the file to install it again it says something along the lines of it cannot copy a directory over a directory.Where can I find where the mouse/pointer theme is located and delete it. I have searched filesystem, google and these forums and not had any luck yet.

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General :: System Bash Shell Copy Previous Lines (not History) With Keyboard?

Jun 14, 2011

Is it possible to use the keyboard in order to select some text in the terminal windows that is not in the currently edited line? (for example, in order to copy part of previous command output).

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General :: Cannot Copy,cut,paste And Even Delete Files?

Mar 16, 2010

I just installed Fedora11 with the KDE desktop and completed a yum update. Every time i try to copy and paste files and even delete files from a file manager or my desktop, I get this error:Quote:Could not start process Unable to create io-slave:klauncher said: Error loading 'kio_trash'.or thisQuote:Could not start process Unable to create io-slave:klauncher said: Error loading 'kio_file'.orQuote:Could not start process Unable to create io-slave:klauncher said: Error loading 'kio_desktop'.Current KDE version is 4.2.2

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General :: Copy A Read-Only File And Make The Copy Writable With A Single Cp Command?

Mar 1, 2011

How to copy a Read-Only file in Linux and make the copy writable with a single cp command in Linux (Ubuntu 10.04)? The --no-preserve and --preserve seemed to be good candidates, except that they should "and" the mode flags, while what I am looking for is something that will "or" them (add +w mode).

More details: I have to import a repository from GIT to Perforce. I want that all Perforce depot files are Read-Only (that is how Perforce was designed), while all other files that were derived/copied from depot files are writable. Currently if a Makefile tries to copy a Read-Only file then the derived file will also be Read-only. This leads to build-errors when cp tries to overwrite Read-Only file second time. Of course the --force is a workaround here but then the derived file is also Read-Only. Also I do not want to mess with "chmod" after each "cp" command - I will do that only as the last resort.

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Ubuntu Security :: Right Click - Automatically Get The Encrypt Process To Delete The Un-encrypted File When It Makes The New Encrypted Copy?

Jan 5, 2010

I've just started using ubuntu one. However, some of the files I store on there are sensitive so I encrypt them using seahorse. Right click, encrypt etc etc. My question is, is there a way to automatically get the encrypt process to delete the un-encrypted file when it makes the new encrypted copy?

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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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General :: View A Particular Ten Lines In A Large File Where Can't Open The File In Vi

May 12, 2010

I am using RHEL 5.I have a very large test file which cannot be opened in vi.The content of the file has some 8000 lines.I need to view ten lines between 5680 to 5690.How can i view these particular lines in a large file.what is command and option i need to use.

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Programming :: Delete Lines Between Match?

May 15, 2011

My problem is like this I have to delete all lines between two pattern match example- suppose below is the content of the file then i have to delete all lines between text1 and text2

...
text1
abc
def
ghi

[Code]....

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Programming :: Sed - Delete Blank Lines Between Two Patterns?

Jul 28, 2010

I am trying to delete any blank lines within two patterns e.g.

Address: 53 HIGH STREET Cred Id :
MYTOWN
MYCOUNTY
MM12 6MM
Pay Method : Crossed Cheque

The start of my pattern is "Cred Id" and the end is "Pay Method" and I want to delete the blank lines between county and post code. I did find the code below but it doesn't seem to change anything:

sed -ne '/Cred Id/,/Pay Method/!bp' -e '/^$/b' -e -e p ll.out

I can get it to print just the range I'm interested in by doing sed -ne '/Cred Id/,/Pay Method/p'.

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