General :: Sed Remove String Until Final Match?
Mar 20, 2010
I have been fighting with a sed statement trying to get it to remove everything in a string until the last match and have been failing badly. how to get this to work..
sed --> enterprises.9.9.171.1.5.2.1.1.5
returns 5
I want sed to strip everything out until the last period. The final digit can and will change. Some parts before the final period can change as well, since enterprises will sometimes also be represented as more numbers and periods.
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Sep 8, 2010
I'm trying to write a script where I want to check if any of the parameters passed to a bash script match a string. The way I have it setup right now is if [ "$3" != "-disCopperBld" -a "$4" != "-disCopperBld" -a "$5" != "-disCopperBld" -a "$6" != "-disCopperBld"]but there might be a large number of parameters, so I was wondering if there is a better way to do this?EDIT:I tried this chunk of code out, and called the script with the option, -disableVenusBld, but it still prints out "Starting build". Am I doing something wrong?
while [ $# -ne 0 ]
do
arg="$1"
[code]....
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Jun 2, 2011
how I can match a literal string in awk i.e. making awk to *not* interpret the characters coressponding to its builtin operators in a given string. Take this code:
[Code]...
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Sep 15, 2010
One of my application generates a text file with an XML output in it. I need to read that log files and if the output does not match to a string in couple of tags it should create a log file with the file name and the the tag name.
The two tags where the string should match is:
Identity format tag should always be JPEG , well- formed and valid status tags should be true.
sample output file:
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Apr 15, 2011
What is the best way to merge lines, in sed, awk or perl, that occur between certain strings? I'm new to sed scripting and I have been working on this for some time now. I have a large file (sample below) that I need to edit.
What I need looks something like this.
I'm working with a very large file so simply merging all the lines then adding a new line character before ">contig" and after "translated" won't work, at least not with sed.
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Apr 8, 2011
I have a sed match that matches for certain string of a regex expression:
Code:
tname=$(echo "$contents" | sed -n 'some pattern')
How do I match for multiple strings in the $contents and return them as an array? for example
Code:
contents="this is a text, just to match patterns, here is another text to be matched"
the sed func would be able to recognize both "text"s, but only one is outputted?
Possible to put it in an array? so ${bar[0]} gives one and ${bar[1]} gives another
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Jul 30, 2010
adf 32 324 100 100 24 234I want a gawk statement to match the above line if lets sayand field between 4 and 6 == 100.
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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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Nov 21, 2010
I have:
Code:
C:u002Cdatau002CDocuments
If I used:
Code:
sed 's/u0052//'
It only removes the first occurrence. How can I remove all occurrence in the line?
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May 8, 2010
I am trying to remove all the files in a directory hierarchy which a certain string inside the file (not the file name, it is the file content).
I can list out all the file name which has a string in the file using 'grep -r -l mystringlooking for'.
But how can I remove all the files returned by the grep ? I am trying this on ubuntu.
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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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Feb 17, 2010
How can you remove files containing a specific string?I have...Code:find |grep 'string'This may return several results and I wanted to rm the results.I also have...Code:ls -l |grep 'string'|awk '{print $9}'which also may return results.But point is, I can't supply the results as a parameter to rmI was thinking of looping but I don't know how to access the results as if they were an array or something.
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Oct 7, 2009
need all spaces between two letters or a letter and a number exchanged for an underscore, but all spaces between a letter and other characters need to remain. One example for clarity:
Input:
force -- lamin 90 [label]
active A -- generation [label]
needed Output:
force -- lamin_90 [label]
active_A -- generation [label]
I tried solving this with sed but obviously s/ /_/g does not work, nor does any s/[a-zA-z0-9] [a-zA-z0-9]/[a-zA-z0-9]_[a-zA-z0-9]/g , because you just can't do this...
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Mar 17, 2010
I want to find out into some directory, all the files which names are composed of : A specific word README, a litteral "." and any string
file name sample like: "README.string"
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Jan 1, 2010
I have a string of files named recup_dir.1 thru .66. I have the command sudo rm -r /home/"name"/Pictures/recup_dir.1 to remove them one at a time, how do I remove 20 or thirty at one command?
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Oct 22, 2010
copy string a to string b and change string b with toupper() and count the chars
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Oct 12, 2010
How can I remove this string from all files. I am not sure how it did get there
PHP Code:
<?php /**/eval(base64_decode('')); ?>
I tried this but It did not work
PHP Code:
find . -iname *.php* -exec sed -i 's/<?php /**/eval(base64_decode('')); ?> //g' {} ;
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Jun 5, 2009
I have a text file which include code...
I mean, this string should be removed from each line and save in another file.
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Jan 30, 2011
I am reading strings from a file using readline() function,the file contains some strings which has only special characters, I need to avoid the strings which has only special characters, the special characters are not similar. How to do it in python.??
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Apr 2, 2011
I want to replace a string of directory path in a string to empty:
Code:
But this doesnt seem to give me the desired thing:
Code:
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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Jul 26, 2010
I am working with a Tcl script and have some strings in the following format (RE):
[a-zA-Z]+[0-9]{6}-[0-9]
There are some leading letters, combinations of capital and lowercase. Then six digits, followed by a hyphen, then one more digit. I would like to remove all of the leading alphabetic characters from the string. The resulting string would then be in this format: [0-9]{6}-[0-9]. In other words, six numeric digits, a hyphen, then one more digit.
I have tried:
Code:
set newstr [string trimleft $origstr alpha]
But that only removes the first alphabetic character, not all of them.
I couldn't get anything with regsub to work correctly, but I am somewhat of a noob with RE's in general and regsub in particular. There are usually 5 leading letters at the beginning of these strings, and I could in most cases get away with using string replace and constant indices to extract the substring. However, my preference is for this to be robust enough to handle all cases with 1 through n leading alphabetic characters.
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Oct 21, 2010
I have the following query:
Code:
$sql="SELECT table1.datetime, table1.user_id, table2.ip, FROM table1,table2 WHERE id='$id' AND (table1.id = table2.id AND table1.datetime = table2.datetime)";
In table2 the datetime fields are about 1 to 2 seconds off due to the source of the data, which I cannot change.
Is it possible via a query match table1.datetime & table2.datetime by HH:MM (ie. to the minute instead of to the second)?
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May 13, 2011
My server was hit with an injection script which has placed code across many of my clients files. I need a script that can remove a block of php code that spans multiple lines, multiple directories/files and is dynamic, meaning that part of the code changes. I think using find/sed is what I need but cannot seem to figure out how to get it to work.The following is the script that is being injected everywhere. The catch is that they have generated dynamic code at the start/end of the script. (I have commented the parts that are dynamically changing on EVERY instance).PLEASE NOTE: Directly following this script is the start of a valid php script that I do not want to delete.
<?php
//{{65281980 - DYNAMIC!!
GLOBAL $alreadyxxx;
[code]...
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Apr 13, 2011
In a file,
I need to remove a part of string: /o
string:
or
the string can be
here I need to remove /d2
So, I need to remove everything after when I get last /
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Nov 4, 2010
i have a file name using the following pattern:
PREFIX: AR
SOURCE: LEGACY
DATETIME: YYYYMMDD_HH24MISS
SUFFIX: .txt
sample filename:AR_LEGACY_20101104_105500.txti want to extract the source which is LEGACY in this case. how do i do this using shell?
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Jul 16, 2010
I have a large text file that's formatted sort of like this:
Code:
foo bar
blah
[code]...
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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
[code].....
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
[code]....
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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Feb 28, 2010
So i have decided to start with backtrack as my first linux operating system. i have the live cd, it works just fine (tested with vmware) i have several options as to how to boot in, I choose my option but it just goes to a black screen unless i select boot using ram. I have 4gb memory, 500 gb hard drive, 2.5 ultimate core dual processor.
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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:
[Code]....
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Mar 24, 2010
I want to do some innovative opensource project for my final semester .It should be small and to be finished within 2-3 months .
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