Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

How to join two different file in UNIX?

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting How to join two different file in UNIX?
# 1  
Old 11-07-2013
How to join two different file in UNIX?
Hello folks
I have 2 files which are like this:

file (a):
Code:
id         phenotype
100         1.2
200         -0.5
300         3.1

file (b)
Code:
id           genotype
100           0 1 2 ......
200           1 1 1...... 
300           2 0 0 .......

I should mention in file (a) I have 2 column but in file (b) if you do not include the id column I have 42000 column genotype.

how could I have this file?

Code:
id      phenotype     genotype
100      1.2                0 1 2 ......
200      -0.5               1 1 1 .....
300       3.1               2 0 0 ......


Thanks in advance
Sajmar
Last edited by Don Cragun; 11-07-2013 at 08:25 PM.. Reason: Add CODE tags.
# 2  
Old 11-07-2013
man join

files must be sorted by key field being joined on.
# 3  
Old 11-08-2013
Here is an awk solution:

Code:
$ awk 'FNR==NR{array[$1]=$2;next}{printf "%s %s ", $1, array[$1]} { for (i=2; i<=NF; i++) printf "%s ", $i } {printf "\n"}' filea.txt fileb.txt
100 1.2 0 1 2
200 -0.5 1 1 1
300 3.1 2 0 0

# 4  
Old 11-11-2013
i don't see a reference to operating system or shell, but have a look at the paste command. That may do what you are looking for.
Code:
$ cat file1
id         phenotype
100         1.2
200         -0.5
300         3.1
$ cat file2
id           genotype
100           0 1 2 ......
200           1 1 1...... 
300           2 0 0 .......
$ paste file1 file2
id         phenotype    id           genotype
100         1.2 100           0 1 2 ......
200         -0.5        200           1 1 1...... 
300         3.1 300           2 0 0 .......
$




I hope that this helps,
Robin
Liverpool/Blackburn
UK
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

UNIX Join not working as expected

Hello All, I'm working on a Shell script to join data from two files using Join command but not able to get the desired output as its throwing me an error: I have sorted the two files on the Column 1 numerically which is used as Join clause File 1: 1,ABC,GGG,20160401 2,XYZ,KKK,20160401... (2 Replies)
Discussion started by: venkat_reddy
2 Replies

2. Shell Programming and Scripting

How to join one file with multiple files in a directory in UNIX?

Dear folks Hello I have a one file called (file1) which the structure looks like this 1 gi|358484521|ref|NW_003764373.1| 1 gi|358484520|ref|NW_003764374.1| 1 gi|358484519|ref|NW_003764375.1| . . . 30 gi|368484519|ref|NW_00449375.1| In addition, I have around 300... (19 Replies)
Discussion started by: sajmar
19 Replies

3. Shell Programming and Scripting

Comparing two files in UNIX and create a new file similar to equi join

I have 2 files namely branch.txt file & RXD.txt file as below Ex:Branch.txt ========================= B1,Branchname1,city,country B2,Branchname2,city,country B3,Branchname3,city,country B4,Branchname4,city,country B5,Branchname5,city,country RXD file : will... (11 Replies)
Discussion started by: satece
11 Replies

4. UNIX for Dummies Questions & Answers

UNIX outer join

Hello.. I am trying to join two files of about 7000 records. it looked quite straight forward when i began, but i'm not getting the desired output. here is what i'm trying to do: cat xxx item,So,Mo,Tu aaa,1,1,1 bbb,1,1,4 ccc,1,1,0 ddd,1,1,1 cat yyy item,Tu,We aaa,1,1 bbb,4,0... (7 Replies)
Discussion started by: wanderingmind16
7 Replies

5. UNIX for Dummies Questions & Answers

how to join all lines in afile in unix

Hi, I have a unix file which has many lines, i need to join all the lines to single line. Eg: myfile.txt contains: a 123 45fg try and i need the output as : a 123 45fg try Please help me on this. Thanks! (2 Replies)
Discussion started by: RP09
2 Replies

6. Shell Programming and Scripting

Unix Join

Hi, I am trying to join two simple files but unable to do so properly. File R1 : 100 101 102 105 . . 1000 10001 File R2 100|x1 102|x2 1000|a1 10001|a2 and when i do (4 Replies)
Discussion started by: wanderingmind16
4 Replies

7. Shell Programming and Scripting

Left Join in Unix based on Key?

So I have 2 files: File 1: 111,Mike,Stipe 222,Peter,Buck 333,Mike,Mills File 2: 222,Mr,Bono 444,Mr,Edge I want output to be below, where 222 records joined and all none joined records still in output 111,Mike,Stipe 222,Peter,Buck,Mr,Bono 333,Mike,Mills 444,Mr,Edge (4 Replies)
Discussion started by: stack
4 Replies

8. Shell Programming and Scripting

How can i join three lines into one in unix?

Hi all, I am trying to merge three lines into one in my unix text file. My text file sis omething like this. xxxxxxxxx yyyyyyyyyyy zzz aaaaaaaaa bbbbbb ccccc Expected out put is xxxxxxxxx yyyyyyyyyyy zzz aaaaaaaaa bbbbbb ccccc I tried with awk as shown below. (23 Replies)
Discussion started by: rdhanek
23 Replies

9. UNIX for Advanced & Expert Users

unix join !

just wandering if anyone knows what kind of algorithm unix join command is using to join 2 files. Thanks! (2 Replies)
Discussion started by: strike
2 Replies

10. UNIX for Dummies Questions & Answers

How to join flat files together under unix

Hi, I have 7 big flat files, each contains 24 million records which have been sorted by the first field delimitered by Ctrl B (002). I want to join them together side by side, eg. File A: 1^Ba^Bb 2^Bx^By .... File B: 1^Bc^Bd 2^Bm^Bn .... After merged, it should look like :... (7 Replies)
Discussion started by: xli
7 Replies
Login or Register to Ask a Question