Value Lookup from File without Slurping
r at quantide.com wrote:
I agree on the database solution. Database are the rigth tool to solve this kind of problem. Only consider the start up cost of setting up the database. This could be a very time consuming task if someone is not familiar with database technology.
and won't pay if you want to do the lookup just once.
Using file() is not a real reading of all the file. This function will simply open a connection to the file without reading it. countLines should do something lile "wc -l" from a bash shell
... and wc knows the count of lines in a file without reading it vQ