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validation required in unix

 
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# 1  
Old 09-25-2008
validation required in unix
is there any way to check null data against some of the column in file

My file have such structure

Code:
1,,4,SUMISHO  ,SMG110880 ,1,12,SUMISHO CAPITAL MANAGEMENT (SINGAPORE) PTE LTD                        ,ACCT01,20080531,2008,5,30,20080630,1,1,TXGRP ,CGST  ,1,74,5.18,74,0,5.18
2,,4,20,12,12,0.84,500020-999,,,,,,,,,,,,,,,,
2,,4,40,8,8,0.56,500030-999,,,,,,,,,,,,,,,,
2,,4,60,20,20,1.4,500080-PAC,,,,,,,,,,,,,,,,
2,,4,80,12,12,0.84,500020-RPA,,,,,,,,,,,,,,,,
2,,4,100,22,22,1.54,500030-RPA,,,,,,,,,,,,,,,,
3,,4,1,,,,,,,,,,,,,,,,,,,,

I want to check some of column are null or not.

How to do that ,any sample code would be highly apprecaited.
# 2  
Old 09-25-2008
Code:
 
var=0
while read line
do
var=`expr $var + 1`
echo "null colums in line $var are"
echo "$line"|awk 'BEGIN{RS=","}{if ( $0 == "" ){print "column no="NR" is null"}}'
done < filename

but it give the line no.. and the null column no..
Last edited by vidyadhar85; 09-25-2008 at 04:36 AM..
# 3  
Old 09-25-2008
awk
thanks vidhya

can we do validation for a line or for some column in line

Can i pass the file name and how it possible to display some flag by mean of flag.


HTML Code:
1,,4,SUMISHO  ,[COLOR="Red"]SMG110880 [/COLOR],1,12,SUMISHO CAPITAL MANAGEMENT (SINGAPORE) PTE LTD                        ,ACCT01,20080531,2008,5,30,20080630,1,1,TXGRP ,CGST  ,1,74,5.18,74,0,5.18
2,,4,20,12,12,0.[COLOR="red"]84[/COLOR],500020-999,,,,,,,,,,,,,,,,
2,,4,40,8,8,0.[COLOR="red"]56[/COLOR],500030-999,,,,,,,,,,,,,,,,
2,,4,60,20,20,1.4,500080-PAC,,,,,,,,,,,,,,,,
2,,4,80,12,12,0.84,500020-RPA,,,,,,,,,,,,,,,,
2,,4,100,22,22,1.54,[COLOR="red"]500030[/COLOR]-RPA,,,,,,,,,,,,,,,,
3,,4,1,,,,,,,,,,,,,,,,,,,,
In above case if red font words have NULL can it possible to display same record in report and last line should have message.
came to know AWK can do
any insight
 
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