extract

Lets say on ARM64 I want to avoid RTC module and GPS module but use an RTL-SDR stick for system time via ntpdate. Is that doable? Bad idea?

I am looking to parse a file for specific content that is on a line that always has a specific beginning, for example: "Program: code" I want to extract code on the line that starts with Program. I then want to add that extracted string into an already created file. Can anyone provide some...