awk日常工作總結

1. awk 'BEGIN {FS="/t"} NR==1 {print "Beginning Balance:/t"$1;balance=$1;next} {print $1, $2, $3; balance+=$3} END{print "balance="balance}' note

 

2. awk -F"/t" 'NF==3 {print $1,$3}' note

 

3.  awk -F"/t" 'NR>4 && NF==3 {print $1, $3}' note

 

4. ls -l $* | awk '{sum+=$5} END{print sum}'