On Sat, Apr 16, 2022 at 11:01 AM Nicholas Geovanis <nickgeova...@gmail.com>
wrote:
> On Fri, Apr 15, 2022, 9:37 PM wilson <i...@bigcount.xyz> 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
