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Upper and Lower case

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# 1  
Old 03-07-2012
Upper and Lower case
Hi,

I think this is a weird problem.

I have two files...one with all UPPER case and the other one with a mix of upper and lower.

Quote:
file1
APPLE
BALL
CAT
DOG
EAGLE
Quote:
file2
Apple
Boy
Cat
Dog
Elephant
Falcon
Quote:
I want to convert the records in file1 to
Apple
BALL
Cat
Dog
EAGLE
Match each record in file1 against record in file2, if they match, then change the record in file1 to that of record in file2.

Thanks in advance.
# 2  
Old 03-07-2012
Hi, try:
Code:
awk 'NR==FNR{A[toupper($1)]=$1;next} $1 in A{$1=A[$1]}1' file2 file1

This User Gave Thanks to Scrutinizer For This Post:
jacobs.smith
# 3  
Old 03-07-2012
Try...
Code:
awk 'NR==FNR{a[toupper($1)]=$1;next}{print (a[$1]?a[$1]:$1)}' file2 file1

This User Gave Thanks to Ygor For This Post:
jacobs.smith
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