LSST v1.05 > Chapter 7 >
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In the awk, fields are access using special variable. For e.g. In above database $1, $2, $3, $4 respectively represents Sr.No, Product, Qty, Unit Price fields. (Don't confuse $1,$2 etc with command line arguments of shell script)
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$0 is special variable of awk , which print entire record, you can verify this by issuing following awk command:
$ awk '{ print $0 }' inven
$ awk '{ print $0 }' inven
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