General :: Replace A String In Multiple File & Sub Directories?

Aug 31, 2010

Need to replace the following string :


In multiple .exp files and in sub directories.

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General :: Find & Replace String In Multiple Files?

Jan 15, 2010

After hours (literally) of searching the web and reading man pages, I think I've come up with the following:Code:find . -exec grep 'path/to/file' -print | xargs -0 -I new_path mv {this is where I get confused}So my code above is incomplete, obviously. In order to finish replacing the string, I need to mv the new file into the old file's spot. How do I do this, by incorporating it into my line of code?

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General :: Search And Replace String Having Multiple Special Characters

Aug 26, 2009

Below is extract of my file:

What I need is to replace "--destination-path=" with "--destination-path=/home/dest"

i.e. desired output is ----destination-path=/home/dest

I could achieve it with below command

$cat outgoing-xfer|grep destination-path|perl -pi -e "s/destination-path=/destination-path=/home/dest/g"

But the problem is that in this case i just wanted to append "/home/dest" for which I could easily escape "/" with just two "", but I wonder if i have a long path like "/a/b/c/d/e/f/g/h/i/j" I will have to escape so many /. Is there any other way by which I can avoid escaping forward slash.

I tried following:

But receiving follo error

Bareword found where operator expected at -e line 1, near "s/destination-path=/'destination-path=/home"
syntax error at -e line 1, near "s/destination-path=/'destination-path=/home"
Bad name after dest' at -e line 1. tried with enclosing in double quotes as well but in vain

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Software :: Replace A Text String In A File With A Random String - With Sed ?

Sep 2, 2010

I have a line in a text file that has 40 random characters within a tag and i want to change the characters to a new set of 40 random characters (alphanumeric a-z 0-9 etc)

The line in the text file looks like this:


How would i go about doing that?

Also second question same as the above but how would i remove them instead of replacing them?

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Fedora :: Replace A String By A String In Text File?

Apr 26, 2011

If I have a word in a text file and I need to replace it by another word (for example, i need to replace abc by fff) so what is the command I can type it?

I am using vi editor.

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Ubuntu :: Replace String In Multiple Files Using Sed?

Jul 4, 2011

I am trying to replace a string (url) in 100s of files located in different directories. I found the sed command but cannoy get it to work. First I locate the files that have the string in them:

grep -ilr 'url' *
this works correctly and displayed the location of the files that have the string:

Now I need to replace the string so I combined it with sed:


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General :: Using Sed To Replace String With Special Characters In XML File?

Apr 29, 2011

I am having difficulty getting sed to replace a string of text in an XML file, despite the fact that I have no trouble using grep to find that same string. Since the new string and old string to be replaced contain a lot of special characters, I thought it best to store them in variables as opposed to using a slew of backslashes:

OLD_STRING='<property name="webServiceHost">${jboss.bind.address}</property>'
NEW_STRING='<!--<property name="webServiceHost">${jboss.bind.address}</property>-->'


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General :: Replace Nth Occurence Of String In Each Line Of A Text File?

May 20, 2010

I have large text files with space delimited strings (2-5). The strings can contain "'" or "-". I'd like to replace say the second space with a pipe. What's the best way to go?
Using sed I was thinking of this:

sed -r 's/(^[a-z'-]+ [a-z'-]+) /1|/' filename.txt

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General :: Replace A String In A File Using A Script With Path Containig /

Feb 26, 2010

I need to replace a string in a file( using a script( After running should be filled with nfs path like /home/vimal etc but im getting error since path contains /. how to remove this.

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General :: Replace ":" From Multiple Files Names - Even Recursively In Directories

Jan 31, 2010

I need to replace ":" from multiple files names, since I am going to copy those files from a linux partition, which admit the ":" to a FAT32 partition, which does not.

original name: eg06_ana_21-05-06_09:21:03.JPG
wished name: eg06_ana_21-05-06_09-21-03.JPG

I have googled a lot but I have not been able to adapt the examples given by people to my aim.

It seems that rename command is what I should use, but I have no idea to build the correct pearl expression.

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General :: Replace String With Empty String Of Dir Path ?

Apr 2, 2011

I want to replace a string of directory path in a string to empty:


But this doesnt seem to give me the desired thing:


This gives the desired outcome, but its specific, i need a variable in the sed not a string. And if I replace STRING="/mnt/sda1/record/$dd/" then I cant use it for something else, cause its has all the weird backslashes now.

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General :: Tar Multiple Directories Into One File?

May 15, 2011

I have found ways to tar a directory and exclude certain directories but is there a way to simply tar multiple directories (they are in the same directory) in to one .tgz file?

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General :: Extract To Multiple Directories Based On File Names?

Jan 30, 2009

I'm not sure if this is possible or even where to start. I assume that this can be done with an sh script using tar or similar.I have several very large zip files that contain images for all of the products in my online store. Each image is named after its 13 digit SKU (for example, 9987788000012.jpg). In order to import products into my store, all images are placed into a media directory. Unfortunately, there are over 100,000 images.

So I would like to break the images into sub-folders based on file name. For example, when I extract (or tar or whatever), my extract script would create directories (if they don't already exist) based on the first three digits of each image name, placing each image into the appropriate bottom level directory. For example, "9987788000012.jpg" would be placed in the following directory "media/9/9/8", with media as the root and "8" as the directory that holds any images that start with "998". Perhaps two sub-folders would be less cumbersome.Assuming this requires a script, particularly since it involves scanning image names, creating folders, and saving images to specific directories, which language would serve my needs best? PHP? Has anyone had to do something similar?

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Programming :: Perl Find File And Then Replace String In File

Jul 28, 2009

I have script that I'm working on that updates a username in all the files that are called for my framework. since i host a bunch of these web apps i need to do it to all of them. so I need to figure out how to update these files automagically with out me watching it to call vim every time. heres what I have so far


This finds the files but now i need to figure out how to do s/bob/fred/g on those files.

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Programming :: Replace A String Within A File ?

Feb 28, 2009

I've found some scripts that replaces a string in a file but it's not quite working for me.

And I'm trying to replace a tag in an xml file that looks like this

So I ran a command line like this perl -w -i -p -e "s/xmlns="''">/>/g" testfile.xml

And I get a error output

Search pattern not terminated at -e line 1.

Found the script from this blog [url]

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Programming :: Replace 2nd Occurrence Of A String In A File - Sed Or Awk?

Apr 5, 2010

I know how to replace a particular instance (say 3rd one) of a word in a line using sed based on the sed one-liners. However I would like to replace a particular instance of a word in the entire file.

For example, here is a file:


So now I would like to replace the second instance of Jack (in red color) with "Rob" (for example). Not quite sure how to do that? I tried couple of things from here but they did not work.

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Programming :: Replace String In File Using Perl Or Sed

Jun 30, 2011

I have question about replacing a string in a file.

How can I replace the printerb's to something else(, for example) without replace printera's accidentally?

I have tried perl -e -pi "s/" /etc/hosts. but, perl replace both to

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General :: Awk Gsub() Command - String (column) Manipulation - Replace The Value Of The $1 Column In The Awk Print String?

Mar 7, 2010

i use this script to get the time and date of back and fourth transactions for a particular execution id. I use a substr command on the 5th column to to cut the milli seconds off the time value. - otherwise the times would look like 08:30:04.235

grep <executionID> <auditfile> | awk '{ print $1, $2, $3, $4, substr($5,1,8}
FIX -> Mon 3/1/2010 08:30:04
FIX <- Mon 3/1/2010 08:32:36
FIX <- Mon 3/1/2010 08:35:08


anyhow - i append two sed commands to further clarify the direction of the message.

awk '{ print $1, $2, $3, $4, substr($5,1,8} | sed -e 's/->/ ->IN/g' | sed -e 's/<-/<-OUT/g'
FIX -> IN Mon 3/1/2010 08:30:04
FIX <- OUT Mon 3/1/2010 08:32:36


I tried using an awk gsub () command within the string instead of the two seds, but it did not work:

awk '{ print gsub(/<regex>/, <replace with>,$1), $2, $3, $4, substr($5,1,8}

the sed works ok, but it would be cooler to make the replacement within the awk command:

gsub(/->/,-> IN, $1)

Is there a way where i could replace the value of the $1 column in the awk print string?

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General :: Multiple Users To Create Directories Over SFTP So The New Directories Keep The Same Permissions?

May 15, 2011

I want to make a webserver with multiple users allowed to login through SFTP to a specific folder, www.Multiple users are added, lets say user1 and user2, and all of them belonging to the www-data group. The www directory has an owner www-data and a group www-data.

I have used chmod -R 775 on the www folder, but after I try to create a folder test through my SFTP server (using Filezilla) the group of the directory created has only r and x permissions, and I am not able to log in with the second user user2 and create a directory within www/test due to a lack of w permission to the group.

I also tried using chmod 2775 on www directory, but without luck. Can somebody explain to me, how can I make it so that a newly created directory inherits the root directory group permissions?

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General :: String Replace In Filenames - Files Already Contain The String "Soundtrack"

Jun 11, 2011

Moving right along, I have a folder of MP3 files containing various Movie sound tracks and scores. I'm using Audio Tag Tool to tag all the files at once with an "Artist" of "Soundtrack", and to inherit the "Title" tag from the file name. After that, I will rename all the files (Using Audio Tag Tool -- awesome program, btw) with the format "<Artist> - <Title>.mp3"

The problem, is many of my files already contain the string "Soundtrack", which would be redundant. I happen to be a perfectionist, so I'm unable to ignore it and move on. Hence my question to you fine folk: I want to delete all instances of "soundtrack" (-i case irrelevant) in the filenames before I go through the above steps. But, its not quite that simple. This is a sample of some of the file names:


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Programming :: Text File Replace Occurrences Of Three Character String ZZZ With Quotation Mark

Mar 30, 2010

I want to use SED to do the following: In a text file replace any occurrences of the three character string ZZZ with a quotation mark "and. replace all occurrences of a comma with a semi-colon. It is the S/ / / command which is stumping me on the first issue...inparticular how to get the replace string to be quote.

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Programming :: Find And Replace A String In A File Using Perl Command From Bash Script?

Feb 14, 2011

I wanted to find and replace a string from a perl file. I have written a script in bash which runs the following command.

perl -pi -e "s/$findstring/$replacestring/" testfile
where as $findstring = print F_WC_TMP"$line
and $replaceString = $line = join ' ', split ' ', $line; print F_WC_TMP"$line

But when I am running the above command, i think it is replacing the $findstring with the above mentioned string and hence it contains a $line, it is looking for the variable $line and not finding the exact string. I am confused about how to search for a string that contains $ in it and replace it with another $string.

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Programming :: Using Sed Replace Line Containing Particular String By A Single String?

Oct 16, 2010

I have a set of lines as ahown below:

Leon went to school
Leon came back from school..
Leon had dinner...

I have to replace the line containing "dinner" by a single string LUNCH...

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General :: Sed Replace String Up To Tab

Dec 12, 2009

I'd like a sed command to replace all decimal values greater than 0.5 with nothing in a tab delimited text file.


There would be one tab before 0.301 and two tabs after it. This way when you paste the text into an excel spreadsheet, there are empty cells where you deleted values.

I thought the sed command would be something like:

But this will delete everything.

What I need is something that will start deleting when it sees 0.[5-9] and stop when it reaches a tab. I know you can use [^character]+ to do this, but it doesn't seem to work with a TAB as the character.

Another idea I had would be to have sed replace from 0.[5-9] to 0. and replace with a tab + 0. But I also cant get [^0.]+ to work as it only works with single characters.

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General :: Rename Multiple Files In Multiple Directories/subdirectories Recursively?

Aug 23, 2010

I am to rename all the files within a directory (which contains multiple subdirectories) recursively without invalid characters.

I tried the coding posted above.

find . -type f -printf '%p
' | while read file; do
oldfile=$(basename "$file")
newfile=$(echo "$oldfile" | sed 's/[^A-Za-z0-9_.]/_/g')
if [ ! "$newfile" == "$oldfile" ]; then
echo mv "$file" "${file%$oldfile}$newfile"

but I get an error on both of them stating "find: bad option -printf find: [-H | -L] path-list predicate-list"

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General :: Find And Replace String?

Jul 26, 2011

I need to find this "TYPE=MyISAM;" and replace with "ENGINE=MyISAM;" in all .sql files in a directory. How can I do this with sed?

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General :: Use Sed To Replace Number That Is In A String With Word?

Sep 12, 2010

I am trying to replace the first number in a string at the end of the line with the word that matches that number. for example i want to replace 546215 to be five-46215. The command that I have tried is

sed -r 's/5[0-9]{5}$/five-[0-9]{5}/'

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General :: Parse A Particular String In Files In Particular Directory And Its Sub-directories?

May 4, 2010

I want linux command to parse a particular string or pattern in files that are in my home directory and its sub-directory.

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General :: Perl Command To Replace String By Line Numbe?

Jul 10, 2010

I want to know the Perl command to replace a string by pointing the line number. I know how to replace a string without pointing a line number but I am in need to replace only the two matching string in a file

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Software :: Best Software To Replace A String In A Big Text File?

May 22, 2011

I have a big text file (350mb) and i need to replace some strings in it.

The VIM is too slow. Also I don't need to open file and view its contents. I just need to give the command to replace it for faster processing.

Which software would be the best for this purpose?

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