This works in the interpreter, but I'm having trouble passing command line
arguments to my scripts. For some reason, Factor isn't setting the global
variable "help" when I pass it "-help".
$ cat ios7crypt.factor
#! /usr/bin/env factor
USING: kernel namespaces io prettyprint ;
IN: ios7crypt
: usage ( -- )
"Usage: ios7crypt.factor [options]" print
"-encrypt <password>" print
"-decrypt <hash>" print
"-test" print
"-help" print ;
: main ( -- ) "help" get . ;
MAIN: main
$ ./ios7crypt.factor
Loading /Users/andrew/.factor-rc
f
$ ./ios7crypt.factor -help
Loading /Users/andrew/.factor-rc
f
Cheers,
Andrew Pennebaker
www.yellosoft.us
On Thu, Aug 18, 2011 at 1:50 AM, Joe Groff <[email protected]> wrote:
>
> On Aug 17, 2011, at 10:32 PM, Andrew Pennebaker wrote:
>
> Awesome!
>
> By the way, I don't get any usage info for Factor that would list the
> -script option. (no factor -h, factor --help, etc.) Is there a getopt for
> Factor?
>
>
> I think -script was a relic of the past; it doesn't appear to be necessary
> anymore. The main remaining caveat with #! is that it needs to be followed
> by whitespace.
>
> There might be a getopt-like parser library, but I don't know of it. Maybe
> someone else does. However, the VM will parse options of the form -foo or
> -foo=bar and set them as variables in the global namespace for you, which
> you can access with the get function. For example:
>
> $ ./factor -foo -zim=zang -flux=rad
> ( scratchpad ) "foo" get .
> t
> ( scratchpad ) "zim" get .
> "zang"
> ( scratchpad ) "flux" get .
> "rad"
>
> -Joe
>
>
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