> On 22/06/17 14:49, Todd Chester wrote: >> Hi All, >> >> I know how to read things on the command line. But >> how to other's figure out what goes together when things >> don't arrive in order? >> >> For instance, from "man grep" >> >> -E, --extended-regexp >> Interpret PATTERN as ... >> >> -F, --fixed-strings >> Interpret PATTERN as ... >> >> The -E and the -F can be in any order on the command line >> >> Is there some module that you can send the run string >> to with "-E" (or similar) and it gives you back >> what comes directly after "-E"? >> >> I could do this manually, but it seems to be a lot of work. >> >> How do they do that? >> >> Many thanks, >> -T >
On 06/21/2017 10:03 PM, Francis (Grizzly) Smit wrote:
look into function MAIN in perl6 https://docs.perl6.org/language/functions https://perl6advent.wordpress.com/2010/12/02/day-2-interacting-with-the-command-line-with-main-subs/
But they have to be in order.
http://perl6maven.com/parsing-command-line-arguments-perl6
I am not really seeing it. For instance: test.pl6 --debug -f /tmp/sopemdata.txt -o /tmp/newdata.txt test.pl6 -f /tmp/sopemdata.txt -o /tmp/newdata.txt --debug test.pl6 --debug -o /tmp/newdata.txt -f /tmp/sopemdata.txt I am not seeing how to tell them apart (other than doing it manually). What am I missing? -T
