If you want to use your "arg" get code, you can:
USE: command-line
: main ( -- )
command-line get parse-command-line "help" get . ;
In this case, "command-line" is the list of arguments to your script.
Best,
John.
On Sat, Aug 20, 2011 at 9:42 AM, Andrew Pennebaker <
[email protected]> wrote:
> Okay, factor -help ios7crypt.factor works. It seems Factor ignores
> arguments after the first script name.
>
> How can I rearrange the shebang so that ./ios7crypt.factor -help sends the
> argument to factor after the script name?
>
> For example, in Common Lisp a multilineshebang rearranges arguments so that
> the script name is forcibly passed twice:
>
> #!/bin/bash
> #|
> exec clisp -q -q $0 $0 ${1+"$@"}
> exit
> |#
>
> If there's a way to do multiline shebangs in Factor, then ./ios7crypt.factor
> -help can be run correctly.
>
> Cheers,
>
> Andrew Pennebaker
> www.yellosoft.us
>
> On Sat, Aug 20, 2011 at 12:37 PM, Andrew Pennebaker <
> [email protected]> wrote:
>
>> 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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>>
>
>
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