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Shell Programming and Scripting

Join multiple files with filename

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# 1  
Old 05-19-2014
Join multiple files with filename
Please help, I want to join multiple files based on column 1, and put the missing values as 0. Also the colname in the output should say which file the values came from.

FILE1
Code:
1 11
2 12
3 13

FILE2
Code:
2 22
3 23
4 24

FILE3
Code:
1 31
3 33
4 34

Code:
 
 FILE1 FILE2 FILE3
1 11 0 31
2 12 22 0
3 13 23 33
4 0 24 34


Here is what I have tried that isn't working,


Code:
awk -F"\t" ' FNR == 1 { c += 1; d = FILENAME; D[c] = d } END {while( k+1 <= c ) printf "%s\t", D[k] printf "\n" }' FILE*

# 2  
Old 05-20-2014
Code:
join -a1 -a2 -o0 1.2 2.2 -e "0" file1 file2 | join -a1 -a2 -o0 1.2 1.3 2.2 -e "0" - file3

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