I have files :
file name: report_2020-10-13-17-11.txt
Contain :
...
this report was prepared by=John
...
file name: report_2020-10-13-17-12.txt
Contain :
...
this report was prepared by=Doe
...
file name: report_2020-10-13-17-13.txt
Contain :
...
this report was prepared by=Ton
...
file name: report_2020-10-14-07-25.txt
Contain :
...
this report was prepared by=Bolt
...
I want to rename the files become
John_report_2020-10-13-17-11.txt
Doe_report_2020-10-13-17-12.txt
Ton_report_2020-10-13-17-13.txt
Bolt_report_2020-10-14-07-25.txt
thanks