General :: Sed Scripting "replace Value For Only Last Part Of A Pattern "?

Apr 26, 2010

All i want is to replace some part of pattern.eg:$1=" alok 10"i want to change 10 with any number/string so that result comes as "alok 20". Is itpossible with sed ?I am looking for code some thing related as :echo "alok 10" |sed -ie "s/$1/$1 10/g I know the above is wrong , its just for your reference. Also, while replying kindly explain wherever is required.

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Programming :: Search A File For A Particular Pattern And If Pattern Found Replace The Line With New Text?

Feb 24, 2010

I want to search a file for a particular pattern and if pattern found replace the line with new text. i am using awk 'match($0,"pattern") != 0 {print $0} ' filename to check if the pattern exists.how do i get the line number of the pattern and delete that line and replace the line with my new text?

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General :: Shell Scripting: Inserting Text Into A File Name With A Predictable Pattern

Apr 18, 2011

Just using shell scripting, how can I insert text into the middle of a file name. The file has a predictable pattern, let's say 3 letters and 3 numbers and I want to insert text in the middle of those 2 patterns. Say ABC123 is the file name. As a result, the file name should be ABC.blah.123

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General :: Replace A Pattern In A File?

Jun 11, 2010

I want to replace a pattern in a file.The file format is given below.

111111
path=/home/fun/
222222
path=/home/fun/

[Code]....

I want to replace "path=/home/fun" with another pattern, but only under "111111", all the others should be the same.

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Software :: Replace Newline Pattern In File By Other Newline Pattern In A Shell Script?

Nov 22, 2010

I have several (vhdl) files containing a pattern with newline characters that I need to replace by another pattern that also contains newline characters.

I start with something like:

Code:

I want to replace it by something like:

Code:

(I need to paste some lines)

As I need to do this (very) often I want to use a shell script.

I tried:

1.

Code:

result:

Code:

2.

Code:

result:

File remains unchanged

3.

Code:

result:

Code:

4.

Code:

result:

Displays the unchanged testfile

How I can automate the pattern replacement?

Code:

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Programming :: Mistake With Sed Espression Is Saving Part Of Pattern?

Jan 20, 2010

got a textfile with : as delimiters in between fields. e.g.1:2:3:4:5:6Thomas Cruise:Johnavid:Peter:Betty:JaneThe names may or may not contain white spaces.I am required to substitute any one of these names in the file with a new one inputted by user.e.g. to change John to Johnny, David to Beckham, etc. without touching any of the other names in the same line. Just one at a time.So here's the sed expression I was trying out with:

sed -i "s/<(.:.:)David>/$1Beckham/" names.txt
I also tried:
sed -i "s/<(.*)David>/<1Beckham>/" names.txt

[code]....

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Programming :: Shell Script To Delete Part Text Of A Line If Pattern Matches?

Apr 12, 2010

I am trying to create a shell script, on taking a input file as parameter, which need to do 3 things

1) create a copy of existing file.

2) add a new line to the copied file.

3) strip off all the absolute paths inside the copied file

The first 2 points are straight forward. but i am finding it difficult to acheive the 3rd point. myself not very good with awk and sed. but gave it a shot in vain. For example, the input script consists of below,

PROGRAM=`/usr/bin/basename $0`
HOST=`/usr/bin/uname -n`
echo Start $PROGRAM `/usr/bin/date` |
/usr/bin/tee -a $LOG

The output of the script should look like,

PROGRAM=`basename $0`
HOST=`uname -n`
echo Start $PROGRAM `date` |
tee -a $LOG

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Programming :: S/ Command Won't Replace Two Occurrences Of Pattern On Same Line

Dec 15, 2009

Here's the actual line of code, which exists in a bash script:

Code:

I want to replace instances like this:

Code:

with this:

Code:

Using this:

Code:

Which works great when there's only ONE of the pattern on the line. But in a case like the "actual line" I posted first, where there are two patterns, separated by a slash, only ONE gets replaced

Watch:

Code:

Why? There must be (among many other things) something I'm not knowing about sed, that's causing this.

-- I'm currently using the ~ (tilde) as the separator in the sed command. It doesn't matter, I've used / ~ and % with no difference.

-- As a test, I tried putting a different character(s) in the middle of the original pattern instead of the / but that made no difference.

-- I've come up with various similar but slightly different regexs that will do this replacement, but they all have had this same result.

-- I tried the sed single-quoted, double-quoted, and unquoted; the latter fails to execute, and the formers both work as described here: wrong.

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Programming :: Replace Pattern In Specific Lines And Column With AWK?

Apr 24, 2010

Im tryng to replace in specific column and line number within a file where its 3erd column contain the same string in all lines.

[code]....

My goal is to replace only first and last ocurrences of "Normal player", with the following desired output:

[code]....

Im not sure how to use the "IF" and "AND" conditions together. I�ve tryed with the code below, but the script replaces the string for every line.

[code]....

how to replace values for specific column in first and last lines within same AWK script, without taking reference data in other columns?

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Programming :: Sed To Read The File And Replace And Insert The Pattern?

Jun 11, 2009

I want to read from the file and check for the pattern, if the line has some word like <string>: then string should be copied into buffer. Afterwards, I want to insert the same <string> with some word in the next line of the file. use sed command to perform the above mentioned operations?

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Programming :: Replace Part Of A File With Another?

Jan 8, 2010

There are a few things I was wondering about (using tools available in bash):How to insert a file at at the specified location of another.How to copy a portion of a file between two lines matching a regex to another file (and/or making sed only work between two lines matching a regex)How would you do this?

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General :: Add (not Replacing) A Pattern Match With A Similar Pattern?

Aug 30, 2009

I'm writing a bash script to search html files, and when I find any occurrence of an img src tag like this:

<img src="123-picture-normal.jpg" alt="some random user entered text" border="0">

I want to add a second line below it that looks like:
<img src="123-picture-thumbnail.jpg" alt="some random user entered text" border="0">

All I need to do is duplicate the line but replace "normal" with "thumbnail"

Each file can have multiple img src tags with different numbered jpgs.

I have a feeling this is a job for sed, but I'm struggling with it. Any ideas?

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General :: Find Pattern After Specific Pattern

Oct 11, 2010

I want to go through a log file and find pattern1 and then a pattern2 only after pattern 1.So for example I want to know howManyRecords was in 13:30.I figured I grep for "start time for the job" and then only after that (and before the next occurence of that) grep for "howManyRecords". Is this a sane way?

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Programming :: If Statement Pattern Search / End Of Pattern Special Character?

Apr 29, 2010

I have to enhance the behaviour of a backup script written in perl. I don't need to change it, what I need to do is to create a bash script that does some checks like file name and file size, execute the backup script then check if the backup files match the original files.Here's how I try to do it:

- read the files from the original files folder
- store them in an array
- search in the array the files that have a specific file extension
- store the file names that match the search pattern (I know the backup script skips some files so I can hardcode the search pattern)
- run the backup script
- read the files from the backup folder
- store them in an array
- compare the original files name and size stored in an array with those from the backup folder
- send a report email

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General :: Replace Function Replace More Than One Word With The Same Character(s)?

Apr 23, 2011

Can the Replace function replace more than one word with the same character(s)?

Also, do you know how to access the plugins provided by the gedit-plugins package?

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Ubuntu Installation :: After Dd From Full 15GB Part To 1.3TB Part, Shows Same Free Space?

Dec 8, 2010

I just used dd to clone a linux partition to a new hard drive, it had 800mb left on the old hard drive, after dd, new hard drive lists 1.29/1.3 terabytes full. Is this what happens by default in dd? How can I fix this?

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Server :: How To Access Local Part / Domain Part Of Email Address In Postfix's Main.cf?

May 24, 2010

I'm trying to figure out how to access the local part and the domain part of an email address in postfix's main.cf. For example, myname@mydomain.net has myname as the local part and mydomain.net as the domain part.I get the whole email address with %s. I want to speed up the lookups by writing better database queries.I've had no luck finding this in the otherwise well documented postfix.

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Software :: Server Hosting Different Part Of Web Site Must Appear As Part Of Domain

Jul 13, 2009

we have access to one domain name , 1 internet ip address and may servers hosting different part of site. I want them all to be accessed via same web site . some of the server in our network are embedded devices.they have their specific utility being hosted on that machine. So the severs are bound to be distributed . I just wanted to know how can I access them via single ip, domain name.

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Hardware :: Is CMOSRAM Is Part On Mother Board Or Part Of RAM?

Jan 14, 2010

In bootseqence of linux, the first step is check the CMOSRAM(size 64bytes) setup for custmor setting. So i am just confused wether CMOSRAM is a part of motherboard or is a part of RAM itself.

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General :: Use Sed To Cut Out All The Text Up Until The Pattern?

Feb 15, 2011

I want to cut out part of the 'uptime' output so all it displays is the load average. In the end I want to cut out everything before the word 'load'. I am a total sed newbie and could really use some examples or links. I've googled and haven't found anything useful yet.##edit###I used the 'cut' command- The code was Code:uptime |cut -d, -f 2,3,4,5 |cut 13-

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General :: Substitute Pattern With Another Patter In Vi

Apr 24, 2009

I have the large file (textfile) there are word:

code-007100
...
code-007199

How to substitute those all words, so it will change all instances to:

code-007200
...
code-007299

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Programming :: Firefox Scripting Add-on (Scripting HTML / Javascript Inside Firefox)?

Sep 17, 2009

Is there a firefox add-on to script HTML and/or Javascript directly inside firefox

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General :: Listing Files Using Pattern Matching

Mar 13, 2011

I have a requirement to list files using find command My folder contains below list of files with out extention.I have a requirement to exclude only ABC.123.* type files and list others. Even though files having MNO contains this pattern i should not exclude. Even if file ends with .txt or .doc it should not be excluded. That is ABC.123.1234.txt should not be excluded.But I am not getting what is required. Can any one please let me know if I am doing wrong any where. As per my requirement I cannot use grep, -regex, or -regex attributes to find command.

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General :: Bash - Search For A Text Pattern?

Nov 28, 2010

I need to search for a string "teststring" in all *.java files coming under /home/user1/ (including subfolders). How can I do it in linux via shell command.

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General :: Copy All Files Matching Pattern From SRC To DST

Jul 19, 2011

If I wanted to copy all *.so files from src to dst I'd do:
cp src/*.so dst
However, I want to copy all *.so files from src and it's subdirs into dst.

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General :: Remove String Pattern Using Terminal?

Jul 27, 2011

I would like to remove a string pattern which like this.You should not remove this /*This is the part should remove*/ You should not remove this.I would like to remove all the text inside the /* and */.

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General :: Grep Or Sed To Delete Matching Pattern?

Jul 7, 2011

How can I use grep -Ev "pattern" not only to delete the matching "pattern" but to edit and save the file permanently as well

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General :: Find Pattern And Comment Out 2 Lines After It?

Oct 14, 2010

How do yo find a pattern with sed or awk and then:

- add a # at the beginning of the line containing it

- and add a # at the beginning of the following 2 lines, too?

Say, I want to comment out the line containing "which 0launch" and the two lines following it:

if [ -x "`which 0launch`" ]; then
exec 0launch http://rox.sourceforge.net/2005/interfaces/ROX-Filer -S
fi

Expected result:

#if [ -x "`which 0launch`" ]; then
# exec 0launch http://rox.sourceforge.net/2005/interfaces/ROX-Filer -S
#fi

I need this because I do not want to comment out every line containing "fi", just the "fi" of this specific if statement.

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General :: Grep Pattern Of Root Directory?

Mar 5, 2011

Want to grep pattern of root dir. (/). Staying in current directory. But I don't want to use the below code:
cd /
grep m *

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General :: Sed Regex To Match Words Via A Pattern

Oct 24, 2010

I have some lines of text and I want to detect words that meet some criteria with sed.

E.g. The line "tetris cat dog test cactus stereotype"

I want to detect the word that contains two (2) ore more t letters. That mean the words tetris, test and stereotype.

The following regex doesn't do the job because it can;t distinguish words very well.

I thinks I have ti incorporate something like [^ ] in the regex but I wasn't successful...

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