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Full Discussion: Join with awk using sprintf
Top Forums UNIX for Dummies Questions & Answers Join with awk using sprintf Post 302948501 by beca123456 on Tuesday 30th of June 2015 06:07:14 AM
Old 06-30-2015
Join with awk using sprintf
Hi,

Trying to join 2 files with awk (file1 has variable number of fields; file 2 has constant number of fields)
file1:
Code:
hook1|AA|BB|CC|DD
hook2|EE|FF

file2:
Code:
hook1|11|22
hook2|33|44
hook3|55|66

output:
Code:
hook1|11|22|AA|BB|CC|DD
hook2|33|44|EE|FF
hook3|55|66

What I tried so far:
Code:
gawk -F '|' 'NR==FNR{for(i=2; i<=NF; i++){a[$1]=sprintf("%s|", $i);next}{print $1 FS $2 FS $3 FS a[$1]}' file1 file2

The files join but only with 4 fields (it only takes $2 of file1):
Code:
hook1|11|22|AA
hook2|33|44|EE
hook3|55|66

Same problem with:
Code:
gawk -F '|' 'NR==FNR{for(i=2; i<=NF; i++){a[$1]=$i;next}{printf("%s\n", $1 FS $2 FS $3 FS a[$1]}' file1 file2

Do you have an idea how to join the 2 files without printing $1 of file 1 and with all the leading fields?
 

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set_color(1)							       fish							      set_color(1)

NAME

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