How to merge two files into third file?


 
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# 1  
Old 06-18-2013
How to merge two files into third file?

Hi All,
i have a requirement as below.

There are two files.
In 1st file a.txt i have four lines as below
Code:
 
Ramesh
Suresh
Pradeep
Franklin

In 2nd file b.txt i have 5 lines as below
Code:
Francis
Elizabeth
David
John
Ravi

The output file suppose c.txt should contain 1st line of 1st file in 1st row and 1st line of 2nd file in 2nd row and so on. Output looks like below.

O/P:
Code:
Ramesh
Francis
Suresh
Elizabeth
Pradeep
David
Franklin
John
Ravi


Last edited by vbe; 06-18-2013 at 10:18 AM.. Reason: code tags please next time
# 2  
Old 06-18-2013
Code:
awk 'NR==FNR{A[++i]=$1;next}{B[++j]=$1}END{m=(i>j?i:j);for(k=1;k<=m;k++) {if(A[k]) print A[k];if(B[k]) print B[k]}}' file1 file2

# 3  
Old 06-18-2013
Hi.
Code:
paste -d '\n' data1 data2

producing:
Code:
Ramesh
Francis
Suresh
Elizabeth
Pradeep
David
Franklin
John

Ravi

Eliminating the empty lines is left as an exercise ... cheers, drl
# 4  
Old 06-18-2013
Code:
cat 1
1
2
3
[cailu@host26 ~]$ cat 2
a
b
c
[cailu@host26 ~]$ while read -u3 A && read -u4 B;do echo $A;echo $B;done 3<1 4<2
1
a
2
b
3
c

# 5  
Old 06-18-2013
Thanks Yoda and Drl..
please let me know if this can be achieved with sed command.
# 6  
Old 06-18-2013
Quote:
Originally Posted by sureshk_85
Thanks Yoda and Drl..
please let me know if this can be achieved with sed command.
Why are you so particular about a sed solution? Is this a homework assignment?
 
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