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05-15-2008
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How to compare null and space using single if condition
Hi
I have a input file with many fields and each filed will be with in double quotes(""). i want to check fields contains balnk,null or space using condition using if. when i write code as below for if condition its not working a=`awk -F ',' '{gsub("\"", "", $1);'NF==0';printf $1}' temp.txt` echo $a if [ -z "$a" ] || ["$a" = " " ] then echo "1st filed contains null or space please correct" else echo " field has data" fi Error message: Account_SourceFile_Validation.sh[288]: [ : not found. Can any one help on this. Thanks 
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05-15-2008
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Try this:
Code:
awk -F "," '
{s=$0;gsub(" ", "")}
/""/{print "With blanc field: "s;next}1' temp.txt
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05-15-2008
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Or just simply
Code:
egrep '(^|,)" *"(,|$)|^,|,,|,$' temp.txt
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05-16-2008
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Thank you very much.It was a timely help.
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