You say that the input files are CSVs, but that usually means that a single character is used to separate fields in those files. Instead of that, the files you have shown us have varying numbers of spaces between fields (and in the case of one line in a.csv), some extraneous spaces at the end of the line).
I will make the wild guess that your real input files are intended to be <tab> separated instead of separated by sequences of one or more <space>s. I further assume that you want the output to be in the same order as the sequence of lines that appear in the a.csv input file. If all of these assumptions are correct, the following seems to produce the output you want (except for the line with the trailing <tab> or <space>s in a.csv:
which produces the output:
As always, if you want to try this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk or nawk.
I'm new of UNIX shell scripting. I'm recently generating a excel report in UNIX(file with delimiter is fine). How should I make a script to do it?
1 file to join comes from output of one UNIX command, the second from another UNIX command, and third from a database query. The key columes of all... (7 Replies)
Hi All,
I have working (Perl) code to combine 2 input files into a single output file using the join function that works to a point, but has the following limitations:
1. I am restrained to 2 input files only.
2. Only the "matched" fields are written out to the "matched" output file and... (1 Reply)
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)
Hi All,
I am trying to join to files based on one common column.
Cat File1
ID HID
Ab_1 23
Cd 45
df 22
Vv 33
Cat File2
ID pval
Ab_1 0.3
Cd 10
Vv 0.0444 (3 Replies)
Hi,
I have a file pk.txt which has pk data in following format
TableName | PK
Employee | id
Contact|name,country
My Output should be
Employee | t1.id=s.id
Contact| t1.name=s.name AND t1.country=s.country
I started of like this:
for LIST in `cat pk.txt` do... (5 Replies)
Hi,
I am trying to join 2 csv files, to create a 3rd output file with the joined data.
Below is an example of my Input Data:
Input File 1
NAME, FAV_FOOD, FAV_DRINK, ID, GENDER
Bob, Fish, Coke, 1, M
Lisa, Rice, Water, 2, F
Jenny, Noodle, Tea, 3, F
Ken, Pizza, Coffee, 4, M
Lisa,... (7 Replies)
Join and merge multiple files with duplicate key and fill void columns
Hi guys,
I have many files that I want to merge:
file1.csv:
1|abc
1|def
2|ghi
2|jkl
3|mno
3|pqr
file2.csv: (5 Replies)