a feature i would like to see added to the grep family of commands (that is, to all of them) is the ability to specify a limit of how much of the file to scan for matching patterns/expressions. this would not be like the -m NUM/--max-count=NUM option, which counts what is actually matched. the limit i want to also see is effectively a limit of the size of the file. after this much of the file has been read, grep should behave as if the file ended. this would be the number of bytes unless the...
