I have two csv files having 90K records each & each row has around 50 columns.Lets say the file names are FILE1 and FILE2. I have to compare both the files and generate a new file that has rows from FILE2 if it differs.
As you can see that the text values in one of the files are quoted and the salary field differs in format but not the values. Both the files are same right now and the only difference is the missing header. So the output file must have the header only.
Now, the output file should have the header and row2 from FILE2.
Please suggest an awk command to do this.
If you really want to compare both the files and print then..
Or if you just want to remove the double quotes in column 2 (which it looks like..) in FILE1 then try
Hi Folks,
I need to compare two very huge file ( i.e the files would contain a minimum of 70k records each) using awk or sed. The comparison needs to be done with respect to a 'key'. For example :
File1
**********
1234|TONY|Y75634|20/07/2008
1235|TINA|XCVB56|30/07/2009... (13 Replies)
Hi all,
Am new to scripting. So i just need your ideas to help me out. Here goes my requirement.
I have two csv files
1.csv 2.csv
abc,1.24 abc,1
def,2.13 def,1
I need to compare the first column of 1.csv with 2.csv and if matches then need to compare... (2 Replies)
Hiiii Friends
I have 2 files with huge data. I want to compare this 2 files & if they hav same set of vales in specific rows & columns i need to get that value from one file & replace it in other.
For example: I have few set data of both files here:
a.dat:
PDE-W 2009 12 16 5 29 11.11 ... (10 Replies)
Hi, all:
I've got two folders, say, "folder1" and "folder2".
Under each, there are thousands of files.
It's quite obvious that there are some files missing in each. I just would like to find them. I believe this can be done by "diff" command.
However, if I change the above question a... (1 Reply)
Hi
I have to compare two .csv files which having 4 columns and i am expecting the output if there is difference in the 3,4columns in two files with respect to the first column. if my statement is not clear please refer the example.
Input:
-----
File 1 :
hostname MAC SWITCH_IP SWITCH_PORT... (7 Replies)
Hi,
I need to correct line breaks for huge files (more than 1MM records in a file) and then format it properly.
Except the header and trailer, each record starts with 'D'.
Requirement:Scan the whole file except the header and trailer records and see if any of the records start with... (19 Replies)
Hi all,
I need help on getting difference between 2 .csv files.
I have 2 large . csv files which has equal number of columns. I nned to compare them and get output in new file which will have difference olny.
E.g.
File1.csv
Name, Date, age,number
Sakshi, 16-12-2011, 22, 56
Akash,... (10 Replies)
Hi, I am newbie in shell script.
I need your help to solve my problem.
Firstly, I have 2 files of csv and i want to compare of the contents then the output will be written in a new csv file.
File1:
SourceFile,DateTimeOriginal
/home/intannf/foto/IMG_0713.JPG,2015:02:17 11:14:07... (8 Replies)
Hello,
I want to compare two csv files expected.csv and actual.csv by fields "f3", "f4", "f5". Field "z" can be differnt.
Each record identified by two fields: "number" +"key".
Records are not sorted.
Can you please help me to get such report:
Error: Mismatch in the record... (4 Replies)
Discussion started by: Eugenne
4 Replies
LEARN ABOUT CENTOS
comm
COMM(1) User Commands COMM(1)NAME
comm - compare two sorted files line by line
SYNOPSIS
comm [OPTION]... FILE1 FILE2
DESCRIPTION
Compare sorted files FILE1 and FILE2 line by line.
With no options, produce three-column output. Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and
column three contains lines common to both files.
-1 suppress column 1 (lines unique to FILE1)
-2 suppress column 2 (lines unique to FILE2)
-3 suppress column 3 (lines that appear in both files)
--check-order
check that the input is correctly sorted, even if all input lines are pairable
--nocheck-order
do not check that the input is correctly sorted
--output-delimiter=STR
separate columns with STR
--help display this help and exit
--version
output version information and exit
Note, comparisons honor the rules specified by 'LC_COLLATE'.
EXAMPLES
comm -12 file1 file2
Print only lines present in both file1 and file2.
comm -3 file1 file2
Print lines in file1 not in file2, and vice versa.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report comm translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO join(1), uniq(1)
The full documentation for comm is maintained as a Texinfo manual. If the info and comm programs are properly installed at your site, the
command
info coreutils 'comm invocation'
should give you access to the complete manual.
GNU coreutils 8.22 June 2014 COMM(1)