On Sat, Apr 16, 2022 at 11:01 AM Nicholas Geovanis <[email protected]> wrote:
> On Fri, Apr 15, 2022, 9:37 PM wilson <[email protected]> wrote: > >> Hello >> >> in shell script, how can I use regex to extract values from a string? >> maybe value types transformation should be required. >> >> >> for instance the string: "black berry 12". >> I want go get the name: black berry [String] >> the price: 12 [Int] >> > > -- data.txt -- black berry 12 blue berry 14 raspberry 9 huckle berry hound 3 bare-knuckle sandwich 27 -- test.sh -- #!/bin/bash file="data.txt" while read -r line; do productID=$(awk -F' ' '{$NF=""; print $0}' <<< $line) price=$(awk -F' ' '{print $NF}' <<< $line) retail=$(($price * 2)) printf "The price of \'$productID\' is \$$price. We will retail it for \$$retail.\n" done <$file -- $./test.sh -- The price of 'black berry ' is $12. We will retail it for $24. The price of 'blue berry ' is $14. We will retail it for $28. The price of 'raspberry ' is $9. We will retail it for $18. The price of 'huckle berry hound ' is $3. We will retail it for $6. The price of 'bare-knuckle sandwich ' is $27. We will retail it for $54. -- Kent West <")))>< Westing Peacefully - http://kentwest.blogspot.com
