Question

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Using awk with variables

The following command is wrong, the point is I want to use $curLineNumber in awk, how can I do it? Any solution?

curLineNumber = 3
curTime=`ls -l | awk 'NR==$curLineNumber {print $NF}'`

Thanks

Answer 1

curTime=$(ls -l | awk -v line=$curLineNumber 'NR == line { print $NF }'

The -v option is used to specify variables initialized on the command line. I chose the name line for the awk variable.