I assume this is coming after some other command, right? Such as cat somefile .
So, what the following pipeline command does
cat somefile | grep "^[a-zA-Z]"
is return all lines that start with a letter, whether capital or not. Effectivly filtering out all lines that do not.
That is, as long as it is double quotes ( " ) that are used. I believe that if it is single quotes ( ' ) are used, that it will only return those lines that contain (anywhere in the line) exactly those characters. I do not have a *nix system at hand, currently, to check that again though, and it has been a while since I have been able to work extensivly on an *nix system.
Help! I want to create a java program that finds the highest even integer among the values entered by the user. Stop asking values when a value less than 1 have been entered. If no even integer is entered, display "No Even Integer"
Hi, as I was told that my code doesn’t scale well at all, I thought perhaps I’d try to get a better understanding of interfaces/abstract classes and classes and the relationship between them.
I don’t want at this stage work on a big separate project as I've already got plenty ...