General :: Commands To Remove Particular Few Lines In History File?

Jun 16, 2010

Is there any commands or scripts to remove only selected line in the history file.

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General :: Edit History To Remove Few Commands Executed?

Jun 30, 2010

Suppose when I issue history command it is showing 100 entries with number attached to each command executed.

how to edit the history to remove few commands executed by me so as to protect the system from other users.

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General :: Remove All Lines In A File Containing Sameword?

Aug 6, 2010

When i want to remove particular lines containing a specific word in from entire document at a time,i am using the following command.

awk '$columnno !~/specificword/' inputfile > outputfile

But here, coulmn no is my problem, because iam having this in different columns. So i need a solution for it.

How to write such removal command without mentioning column no. , ie irrespective of column no, it has to remove all lines having that specific word.

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General :: Remove Lone Lines From A Text File?

Jul 6, 2011

anyone has ideas how to remove lone lines from a text file?

If I have a file that is like this:
-----------------------------------
line 1

[code]...

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General :: Remove Lines From A Syslog Text File That Have Duplicate Strings

Mar 17, 2011

Trying to remove lines from a syslog text file that have duplicate strings

Mar 10 06:51:11[http-8080-1] INFO com.MYCOMPANY.webservices.userservice.web.UserServiceController [u:2533274802474744|360] Authorize [platformI$tformIdAndOs=2533274802474744|360, userRegion=America|360]

then a few lines down

Mar 10 06:52:03 [http-8080-1] INFO com.MYCOMPANY.webservices.userservice.web.UserServiceController [u:2533274802474744|360] Authorize [platformI$tformIdAndOs=2533274802474744|360, userRegion=America|360

got the same thing in terms of a u: number but the issue is I need to remove duplicates and just leave one and the file has multiple duplicates of different u: numbers and it's 14,000 lines long. can anyone tell me if I can use awk? sed? or sort for something like this to? removing lines that have a certain string in there that's a duplicate.

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General :: History Of Commands Executed By Users

Apr 16, 2010

i am working with linux security auditing project on my Servers.I want to find out all the commands executed by individual users.i think using last command,find out the login details.But how can find out the commands executed by each users on all logins except "history".?

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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 :: Delete Bash Terminal History Upto Certain No. Of Commands?

Jan 12, 2010

i want to delete some say 10 previous commands in bash shell!

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Programming :: Remove Specific Lines From File

Jan 21, 2011

I'm trying to come up with ideas for a simple way to strip a specific "entry" from a text file.I know tools like sed and perl can remove specific lines from a file but I haven't been able to come up with an elegant way to do my group of lines.In my file, the first "Location" line and the "SVNPath" line should be unique every time... but are they enough to strip out the whole set of the group plus the trailing one line of white space separating each group? Add to this, my file will grow as new entries are added (always appended to the end) but new entries will have the same formatting.

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Ubuntu :: Python : Remove Some Lines From A Text File?

Sep 6, 2010

I am creating my own address book Python program and I want to create a nction that removes some specified entries. The code looks like this now.

Code:
def remove():
delentry= raw_input('Enter the entry name to delete: ')

[code]...

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Ubuntu :: Remove Duplicate Lines From A Text File?

Dec 16, 2010

Contained within each of these 67 text files is about 1 million urls. Yes. I have 67 text files that contain 1 million lines of urls each. I am sure I am swimming in duplicates. I tried opening one text file and clicking sort ----->remove duplicates. Now Gedit is not responding my processor is maxed out to 100% and I think I am finally ready to delve into some command line code. Can anyone give me idiot proof instructions on how to sort the duplicates out of each one of these 67 text files? How about no duplicates across all 67?

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Programming :: Remove Many Lines Based On Content Of Other File

Jun 21, 2011

I a csv-file (A.csv) with a total of 4.600.000 lines. Thats to many and only a few is necessary. I have a txt-file with 150 lines (X.txt) (all lines is dataset from a mainframe and looks like abc.def.123.456. How do I remove lines from A.csv where none of the dataset from x.txt is present?

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Ubuntu :: Remove Duplicate Lines In Plain Text File?

Apr 14, 2010

i have a big file of random numbers i generated at some point in time, after working with it with different things(how fun that was)... i want to remove duplicate lines and i'm not sure i'm doing this right

heres the command

Code:
sort random.txt | uniq -u > rand-shorter.txt

the file is pretty big, everything on a new line. i found the command on a web site so i'm sure its correct(bit of a command line in linux newbie)

can anyone confirm if this will remove lines duplicate lines (keeping one copy) and dump what is left in a file named rand-shorter.txt?

EDIT: i think its actually working, just taking a reallllly long time (on an old pen 4 from 2000)

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Programming :: Remove Lines And Parts Of Lines From Python Strings?

Nov 24, 2009

How do you remove parts of strings using python? Such as, if I have something like:

Code:
erme1 sdifskenklsd
erme2 sdfjksliel

[code]....

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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 :: Need To Remove Lines With Sed

Mar 14, 2011

I have a large file and need to remove all the lines containing symbol/symbols.

For example: . , ! " # $ % & / ( ) = ? � � ' � + * � { } ] [ - _ : ; , > < (maybe more)

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General :: SED Or AWK - Remove Every 4 Of 5 New Lines

Aug 30, 2010

I have a file that looks like this:

1
2 3 4 5 6 7 8 9
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24
1
2 3 4 5 6 7 8 9
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24
1
2 3 4 5 6 7 8 9
10 11 12 13 14 15
16 17 18 19 20 21
22 23 24
...
I would like to reformat it to look like this:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
...
Is there a nifty awk/sed one-liner to do this operation?

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Programming :: Remove Lines In A Text File Based On Another Text File?

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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Fedora :: Text File Manipulation With Standard Commands In BASH - Remove The Stock Code

Oct 10, 2009

I need to do some text file manipulation which I think should be done with standard commands in BASH. I'm looking at comma seperated text files (stock market data). It comes in the form of date, stock code, open, high, low, close, volume. What I need to do first is move all data with same stock code sequentially into individual files.

While doing this since the stock code will now be the file name I need to remove the stock code. Next I need to filter out overlapping data from different files with the same date. ie. where two files contain the same date on the one line only one line will be added to the combined file. I think there must be a tutorial out there for basic text manipulation like this, I just haven't found it yet.

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General :: How To Remove Over Written Lines

Apr 19, 2010

I need to filter the log from a massive wget. I want to remove the progress lines and only leave the last one. Now each progress line starts with a newline '

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General :: Using Sed To Remove Lines Around A Specified String?

Jun 4, 2010

I have a data set that takes the form...

0.0 43
12572.9102 80.8521 263.3575 0.0200 12.6358 -86.4942
4.3870e-06 -0.3547

[code]....

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General :: Remove Lines With Variable Value?

Jul 20, 2011

I have model output data in ascii format. It contains thousands of lines. The output file contains multiple text lines with variable values. here I copy-paste some of it's contents.

Code:

73438 170 23:53:20 3.481328E-03 1.824611E+04 1.824612E+04 1.333962E+16
73439 170 23:56:40 3.481210E-03 1.824611E+04 1.824612E+04 1.333962E+16
73440 171 00:00:00 3.481093E-03 1.824611E+04 1.824612E+04 1.333962E+16

[code]....

i want to remove the lines starting by WRT and DEF.

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General :: Remove X Lines From Output?

Oct 11, 2010

I would like to know how to remove X lines from output. i have a test file and i want the output without the first 2 lines

[root@node1 ~]# cat test
1
2
3

[code]....

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General :: Using Sed To Remove Lines With Duplicate ID's?

May 8, 2010

I have a file that contains lines representing the nodes of a polyline but I only need the first point in each segment. With the following text:

0,"013A",0.57,260739.891,4379258.87
0,"013A",0.57,260737.674,4379258.94
0,"013A",0.57,260684.628,4379258.35
1,"013A",0.545,260769.915,4379257.84
1,"013A",0.545,260739.891,4379258.87

[Code]....

The problem with uniq is that the last two colums will differ. I don't care about the x/y for any points following the first one.

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Fedora :: Seeing All Commands Used In History Of Running Terminal?

Jun 16, 2010

Having recovered from busting my installation, feel urgent need to know what I did to set it up.So...would like to see all commands I ran in terminal window and store them (execute as script in future?)I can see prior commands using up arrow, is there a way of storing all of those commands in history?Also, any pointers to setting up sort of backup of the package installation setup?

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General :: Advance Sed To Remove Multiple Lines

May 12, 2010

I have a txt file with couple of comment lines:
Number of title = !num!
#line1
#line2
#line3

I wrote a script with "sed" to replace !num! in this file, which is very straightforward. However, based on the !num!, I want to remove the number of "#" based on the !num! value. Is there an easy way to do that with "sed"; otherwise, i will have to write a script to loop through the file.

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Software :: Have Scripted Ssh Commands Appended To The Remote History?

Jan 17, 2011

If I interactively ssh to a remote host and enter commands, I can up-arrow through the command history.If a script ssh's to a remote host and calls a command, it does not get appended to the history.How can I configure ssh or sshd so that this happens? I'd like to be able to have those scripted commands available in the history file when I log back in interactively.

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General :: How To Remove Commands

Oct 5, 2010

I would like to remove rsh, rcp, rlogin from my production server.

How would i go about it?
Should i remove them from their original location using rm?
Will that impact on any other functionality?

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General :: Finding A Script To Remove Lines Without Chars?

Dec 26, 2010

I have a text file that each contains either a domain or an IP, like this:

Code:

[me@server ~]# cat file1
122.foo.com
yahoo.com
23345229.com

[code]....

I want to remove all IPs in that file and keep others, so the result be like:

Code:

[me@server ~]# cat file2
122.foo.com
yahoo.com
23345229.com

[code]....

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General :: Shortcut To Remove First Character Of Multiple Lines In Gedit

Jan 23, 2010

I want to be able to remove the first character of a line when I highlight multiple lines in gedit. Example:

%Example is
%Commented Code
%Uncomment using this shortcut

I would then highlight/select these lines, and remove the first character to make it look like this:

Example is
Commented Code
Uncomment using this shortcut

I'm pretty sure there is an actual shortcut for this. If there is another text editor on Linux that it would work in, it would be nice to know how to do it in that editor as well.

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