General :: Printing Matching Lines When Greping All Files In A Directory
Apr 3, 2010
I'm searching within Java files for some occurrence of a phrase:
find . -name '*.java' | xargs grep -l 'string'
How do I change this command to print to the shell all of the lines which contain a match?
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Apr 16, 2010
I am writing a shell script that finds all files named <myFile> in a directory <dir> or any of its subdirectories, recursively. I also need to take care of symbolic links that may form cycles, to avoid infinite loops. I am not supposed to use find command for the same
I started writing the code but got stuck. I thought using recursion may be a smart way, but its not working.
Code:
#!/bin/sh
findFiles()
{
thisDIR=$1
#cd $thisDIR
code....
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Jul 22, 2010
What is the best and simplest way to compare two directory structures without actually comparing the data in files. This works fine:
diff -qr dir1 dir2
But it's really slow because it's comparing files too. Is there a switch for diff or another simple cli tool to do this?
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Jul 5, 2011
I want to count the lines of all files in this directory and all its subdirectories, but exclude directories "public", "modules", and "templates".
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Aug 16, 2010
I have written a regular expression (tested in regexpal and regextester alpha something) with which I want to replace something like code...
but it only matches functions which occupy one line only, despite my tests showing multiple line matching in javascript testers online and using the m and s flags (which should make it multi line no?)
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Oct 14, 2009
Using exim4 only for sending email SMTP
I'd like to use Exim to remove the line header:
Received: from [111.111.111.111]
by HOSTNAME with esmtp (Exim 4.69)
what setting i should use and where should i put it in the exim4 configuration file, transport, router etc.
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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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Feb 22, 2010
How can I remove all .swp files in all of my subdirectories under Linux?
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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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Oct 18, 2009
I'm trying to do something very basic in bash. It's a kind of cross-reference matching between 2 files. I have a file1.txt. It's like this:
Code:
item1
item3
item4
...
I Have a file2.txt. It's like this:
Code:
item1 "Properties of item1"
item2 "Properties of item2"
item3 "Properties of item3"
item4 "Properties of item4"
item5 "Properties of item5"
...
My goal is to print out the lines in file2 that contains lines present in file1. I do:
Code:
for i in $(cat file1.txt); do grep $i file2.txt; done but I get no output. Will someone please tell me where am I mistaking?
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May 4, 2011
I have a file with joker character patterns:
./include/*
./src/*
etc.
From the current directory I would like to recursively get the list of files that do not match these patterns.
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Feb 11, 2011
I have 2 massive duplicate dirs of the same format as below:
dir1
subdir1
file1
subdir2
file1
subdir3
file1
...
Dir2 is the same, but it has some newer files of the same name. I want to copy all file1's from Dir2 to the same name and folders in dir1. So basically something like:
cp -pr bkpDir1/*/*-big.gif Dir2/*/*-big.gif
This works for singular cases:
cp -pr bkpDir1/uniquesubdir/*-big.gif Dir2/uniquesubdir/*-big.gif
But not for wildcards:
cp -pr bkpDir1/subdir*/*-big.gif Dir2/subdir*/*-big.gif
Anyway the aim is to do the first cp above, I have tried a few options using find. In trying to show an example stumbled upon a way that worked, while in dir2:
find */*-big.gif | xargs -i cp -rp {} ../dir1/{}
Sure there are better ways also...
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Sep 13, 2011
I have many files in a folder for example
Kiran.txt
Kiran1.txt
Kiran221.txt
Kiran144.txt
Time.csv
[Code]...
From this directory, I want to know how I could use grep to display files based on part of their filename - for example those starting with "Account" or those ending in ".sh".
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Feb 22, 2010
Operating System: Ubuntu 9.04
Printer: LaserJet CM1312 MFP
I have an intermittent printing issue that results in part of a printed page containing a horizontal line that spans over two lines. The line is mostly black, with the occasional small break where there seem to be printed multiple characters printed over each other.
Sometimes I print and I do not get this issue. Other times I can print 60+ pages and it happens, while sometimes I get it on a single page being printed.
I'm not sure if this is a driver, printer or cable issue. We've used it through CUPS and we've used a print hub to convert the USB to a network accessible printer to see if that made any difference but it did not.
I have a feeling this has something to do with the print job data corruption.
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May 19, 2009
I have text file with say 1000 lines.And I want to display lines numbered 100, 203 and 297 using a script/ command.How can I do this ?I can print a particular line using:sed -n '100p' file1 (where file1 is input file).
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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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Sep 11, 2009
I am trying to do a find/grep/wc command to find matching files, print the filename and then the word count of a specific pattern per file. Here is my best (non-working) attempt so far:
wc `find . ( -name "*.as" -o -name "*.mxml" ) -exec grep -H HeightResizableList {}` ;
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Jan 17, 2011
Usually when I need to replace some lines in a file, the first tool that comes to mind is sed -i:
sed -i 's|tool:.*|tool: some-tool|'
However, it's inconvenient when there are . characters in the replacement string:
sed -i 's|host:.*|host: 127.0.0.1|' Is there a better tool for this case?
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Nov 5, 2010
Is there a way, besides writing a PERL program, to read each line one by one in file A and tell if this line also exists in file B? Can this be done via a shell script?
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Sep 17, 2009
Is there anyway to delete certain paragraphs within a text file and then insert the paragraph into another text file.I just cannot figure out how to remove the specific lines from the file and then insert them into another file at a certain line within that new file. Thanks again
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Mar 2, 2011
I have two table files with x (1st column) ,y (2nd column) coordinates and intensity (3rd column). I need to match these two tables and divide the intensities at the consecutive coordinates on the 3rd column. The problem is the size of the tables are not same and I want to ignore the lines if they are not in one of the other file.
Here is Table 1:
Code:
-7.500-30.00013.006
-7.500-22.50037.952
-7.500-15.00060.962
-7.500-7.50040.922
-7.5000.00014.348
code....
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Jan 18, 2010
How do you perform a long directory listing of all files in the /bin directory that have exactly three characters in their name?
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Aug 22, 2009
eed to make a script to append a line to the bottom of multiple files (only certain files, but 100's spread over directories).Doing a find replace inside multiple files is easy, I use the followingfind /base/dir -name "*.txt" -exec perl -pi -w -e 's/FIND/REPLACE/g;' {} ;So I tried doing the followingfind /base/dir -name "*.txt" -exec echo "Append this" >> {} ;However this just appends all the text into a file called "{}". Whereas {} should be replaced with each file that's found.
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Jul 21, 2011
in the shell. how do i compare 2 text files and change matching lines in one of the files ?
example:
cat file_1.txt
line_1
[code]...
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Jan 29, 2010
Is there a way, on Linux, to cause all new files created in a directory to be owned by the directory's group instead of the creating user's group?
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Oct 13, 2010
I want to run a cronjob every 15 minutes that checks a directory for files. If the directory contains more than ten files I want it to send an email to me.
All I have is this...
*/15 * * * * ls -l | wc -l | [filename] | mail -s "This is just a test" [email address]
I would rather not write a bash script. Is there an easier way to do this? I was looking into some commands like find and grep.
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Jul 13, 2011
I'm quite new to linux but I have configured a simple ftp server and it's working great. I have a FTP-Shared folder with upload and download subfolders. Under upload's and download's I have identical category subfolders like mp3's, movies, software etc. in both. As the guy's upload, I would like to create a line crontab where I can move all the content under /FTP-Shared/upload/mp3/* older than 14 day's to FTP-Shared/downloads/mp3/ recursively (Like in cp command), but the timestamp must be searched on the first directory and not sub files example: /mp3/Club Dance/CD1/Hallo world.mp3This is how far I got:[root@clients ~]# /usr/bin/find /FTP_Shared/upload/Mp3s/ -depth -mindepth 1 -mtime +14 -type d -exec mv -f {} /FTP_Shared/download/Mp3s/ ;This command moves the directory and files, but it is not recursively
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Jul 12, 2009
Is there a way, preferably in python or BASH, to rename files from a list? for instance, track1.mp3, track2.mp3 should be renamed to the names stored in a file listing song names. I have tried to loop a variable through directory listing and renamed them, only to find that filenames with spaces can't be assigned to a variable as a whole. To solve the problem above, I have tried the read command in BASH, which enables the program reading line by line from a list. However, It was failed to pipe the results from directory listing to the read command.
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Mar 20, 2011
I'm running a find. -name pattern to find some files, and I'd like to elegantly get the total number of lines in these files. How can I achieve that?
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Sep 7, 2010
I am facing a problem while splitting a text file, I need to split a file into some parts and each split file should have 2000 lines, when I do it through "split" command the mother file is kept intact but as per my requirement I need to cut mother file into some parts thus it should not be kept intact.
Example:
file size
motherfile.txt 5000 lines.
after split
motherfile.txt 2000 lines.
childfile1.txt 2000 lines.
childfile2.txt 1000 lines.
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