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Join file with awk

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# 1  
Old 07-07-2016
Join file with awk
I have a problem of joining 2 files with different position of key column

file1
Code:
INDIA|LEFT|123
USA|RIGHT|345
CHINA|LEFT|234

file2
Code:
123|HIGH
345|LOW

expected output
Code:
INDIA|LEFT|123|HIGH
USA|RIGHT|345|LOW
CHINA|LEFT|234|

based on column 3 in file 1 and column 2 in file 2, I want to print file1 plus its value from file2

I did this
Code:
awk -F"|" 'FILENAME=="file2"{A[$2]=$2} FILENAME=="file1"{if(A[$3]){print}}' file2 file1

but it keeps fail, lease any help
# 2  
Old 07-07-2016
Try
Code:
awk -F"|" 'FNR== NR {A[$1] = $2; next} {print $0, A[$3]}' OFS="|" file2 file1
INDIA|LEFT|123|HIGH
USA|RIGHT|345|LOW
CHINA|LEFT|234|

# 3  
Old 07-07-2016
Hello radius,

Could you please try following and let me know if this helps you(not tested though).
Code:
awk 'FNR==NR{A[$1]=$NF;next} ($NF in A){print $0 OFS A[$NF]}' FS=OFS="|" Input_file2 Input_file1

Thanks,
R. Singh
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