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awk compare

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# 1  
Old 12-12-2013
awk compare
Need some help with this .... pls

File 1
Code:
 
50000972082d9508,vmx_2917_fa3ea
50000972082d9509,vmx_2917_fa3eb
50000972082d9548,vmx_2917_fa3fa
50000972082d9549,vmx_2917_fa3fb
50000972082d9588,vmx_2917_fa3ga
50000972082d9589,vmx_2917_fa3gb
50000972082d95c8,vmx_2917_fa3ha

File 2
Code:
50000972082d9508,50000972082d9508(*)
50000972082d9509,50000972082d9509(*)
50000972082d9549,50000972082d9549(*)
50000972082d9588,50000972082d9588(*)

Output
Code:
 
50000972082d9508,vmx_2917_fa3ea(*)
50000972082d9509,vmx_2917_fa3eb(*)
50000972082d9548,vmx_2917_fa3fa
50000972082d9549,vmx_2917_fa3fb(*)
50000972082d9588,vmx_2917_fa3ga(*)
50000972082d9589,vmx_2917_fa3gb
50000972082d95c8,vmx_2917_fa3ha

If column 1 of file2 matches column 1 of file1 , append/suffix column 2 of file1 with a (*)

Thanks !
# 2  
Old 12-12-2013
Code:
awk -F, 'NR==FNR{A[$1]=$0;next}A[$1]{$NF=$NF"(*)"}1' OFS=, file2 file1

This User Gave Thanks to Yoda For This Post:
greycells
# 3  
Old 12-12-2013
OR
Code:
$ awk -F, 'FNR==NR{A[$1];next}($1 in A){$NF=$NF"(*)"}1' OFS=\, file2 file1

This User Gave Thanks to Akshay Hegde For This Post:
greycells
# 4  
Old 12-12-2013
Both options work ... Thanks Guys !!

Is there any way to do a "case in-senstive comparison "
# 5  
Old 12-12-2013
Quote:
Originally Posted by greycells
Both options work ... Thanks Guys !!

Is there any way to do a "case in-senstive comparison "
just converting into either upper or lower case then compare

Code:
$ awk -F, 'FNR==NR{A[tolower($1)];next}(tolower($1) in A){$NF=$NF"(*)"}1' OFS=\, file2 file1

Code:
$ awk -F, 'FNR==NR{A[toupper($1)];next}(toupper($1) in A){$NF=$NF"(*)"}1' OFS=\, file2 file1

This User Gave Thanks to Akshay Hegde For This Post:
greycells
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