General :: Difference Between Two Text Files To Third One
Jul 14, 2010
I want the difference of two text files(a.txt & b.txt) into a third text file(c.txt). i.e. New or Differert rows of a.txt compared to b.txt
a.txt>
10128|10153|999999
10343|10153|000
10345|10153|3846
10351|10153|3846
b.txt>
10128|10153|999999
10343|10153|3853
10345|10153|3853
10349|10153|3853
c.txt should be like>
10343|10153|000
10351|10153|3846
I tried comm,but man says that the files have to be sorted in order to use comm. I dont want to sort the files.
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May 10, 2011
I got requirement to find the difference between two strings and write the difference to new file by comparing the substrings separted by commas
Below mentioned is an example of requirement
String1 --> ABC,DEF,GHI,JKL
String2 --> MNO,ABC,XYZ,DEF
In String1 and String2 the substrings are separted by commas. The substrings which are common between String1 and String2 are ABC,DEF this common substrings has to be written to a file say common.txt ( having the text ABC,DEF). And the substrings GHI,JKL in String1 which are not present in String2 has to be written to another file say String1Extra.txt (having the text GHI,JKL). In the same way the substrings MNO,XYZ from String2 which are not present in String1 has to be written to another file say String2Extras.txt(having the text MNO,XYZ) .
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Mar 31, 2010
I am not especially cli adept so could someone tell me the best way to use the diff command to get the difference between a string of text and the contents of a file instead of between the contents of two files?
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Jan 15, 2010
may be an advanced question but I need to know how to do this. Here at work I am in charge of recruiting and we have about 1,000 resumes in already. All of the resumes are in a .pdf format. I need to rename every .pdf in the following format:{firstnameLastname}.pdfThe only way I know how to do this is to convert all the .pdf files to text, extract the name out of the first few lines of text, import into excel, and then use VBA to rename the files in mass:Here is my logic so far:~Deskop/a = houses all the .pdfresumesOpen terminal: Code: cd ~/Desktop/afor f in *.pdf; do pdftotext -raw $f; done That will convert all of the preceding resumes into text filesNow I would like to append the name of the text file into the last line of the text file. So, for example, for Resume1.txt, I want to append "Resume1.txt" to the last line within Resume1.txt. So after I run the command I open Resume1.txt and on the last line within I want to see "Resume1.txt" on the last line, at the end of the resume.How can I do this? I would like to use a loop and have the terminal append the filename to the body of the text file until all of the have been appended.
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Apr 21, 2010
Currently, when I'm searching text in files of my PHP project, I use this line :
Code:
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Jan 22, 2010
I have 2 text files : file1.txt and file2.txt
cat file1.txt
15 this is a sentence containing various words and spaces
34 this is a another sentence containing various words and spaces
cat file2.txt
2 this is sentence1file2
6 this is sentence2file2
54 this is sentence3file2
I would like to join these 2 files. The result should look as follows :
cat joinedfile.txt
2 this is sentence1file2
6 this is sentence2file2
15 this is a sentence containing various words and spaces
34 this is a another sentence containing various words and spaces
54 this is sentence3file2
==> so the joined file must be sorted on the first number. Any ideas how this can be achieved ?
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Aug 22, 2011
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Mar 18, 2010
I want to find the difference between two files in different servers , which have trust enabled to ssh without password.
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Code:
serv1$diff .profile `ssh serv2 ls .profile`
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May 25, 2011
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Jun 20, 2011
I noticed something a little odd I'm hoping someone can enlighten me on. I noticed in a couple of cases that a package has the proper version, but differs in two regards.
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2. The actual MD5Sum of the files the package provides differ.
An example below:
Code:
[root@RH4ES32-MCE bin]# for i in `rpm -ql GConf2`;do md5sum $i;done;
md5sum: /etc/gconf/2: Is a directory
9f90335546f7c57ae6fb552cc2b919c5 /etc/gconf/2/path
md5sum: /etc/gconf/gconf.xml.defaults: Is a directory
[code].....
So my package changed slightly to now show .el4 versus just 2-2.8.1-1 I've indicated in the first output above that the first couple of lines differ. I stopped my comparison at that point as they truly are different.
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Aug 3, 2010
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May 17, 2011
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1.tar cvfz tarball_1.tgz dir1 dir2 dir3
2.tar cvfz tarball_2.tgz dir1 dir2 dir3 2>& /dev/null (So that it does not display any error message or operation details to the user)
[usr@machine]$ ls -lrt
-rw-r--r-- 1 usr grp 199843988 May 17 13:39 tarball_1.tgz
-rw-r--r-- 1 usr grp 199837488 May 17 13:53 tarball_2.tgz
But can any one explain the size difference as seen in list output...
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Nov 25, 2010
I have a Centos 5.5 server and I had a problem with its time because it was 1 one hour ahead of my local time. I installed and activated NTP and I created a link for /etc/localtime:
Code:
ln -sf /usr/share/zoneinfo/America/Mexico_City /etc/localtime
I reboot the server and waited for 1 hour but the time wasnt correct. The server's BIOS clock has UTC time so I edited /etc/sysconfig/clock file replacing:
Code:
UTC=false for
UTC=true
I reboot the server and waited for 1 hour but the time wasnt correct. After breaking my head for about 1 hour, I realized that there is a directory /usr/share/zoneinfo/Mexico and changed my link for /etc/localtime
Code:
ln -sf /usr/share/zoneinfo/Mexico/General /etc/localtime
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Nov 5, 2009
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May 18, 2011
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Nov 23, 2010
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Aug 9, 2010
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Jan 24, 2010
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Nov 5, 2010
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Mar 22, 2011
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Jul 8, 2010
I have a many directories each with about 20 html files inside. All the files have .html ext. What I'm hoping is possible is from command line to find some text in each one and replace it with some other text.
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/awstats/
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Jan 24, 2010
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Apr 15, 2011
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Mar 3, 2011
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Mar 11, 2010
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May 2, 2010
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[Code]...
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