MESSAGE
| DATE | 2016-01-22 |
| FROM | Christopher League
|
| SUBJECT | Re: [Learn] CS664
|
From learn-bounces-at-nylxs.com Fri Jan 22 19:55:16 2016
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From: Christopher League
To: Ruben Safir
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Date: Fri, 22 Jan 2016 10:48:02 -0500
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Subject: Re: [Learn] CS664
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Ruben Safir writes:
> Yeah what was confusing me, I think is that you can't use the ./filename
> see forthcoming usenet post
Yup. In some languages and interpreters I've worked on, the object code
(even if it's a binary file) allows to use hash-bang notation... so if
the `.class` file started with
#!/usr/bin/env java
and it was `chmod +x`, then you could just run it with `./Hello.class`.
The interpreter would then skip through the first newline to get to the
binary content.
As far as I know, class files don't support that... it would consider
the file to be corrupt if it begins with `#!`, which is a shame.
CL
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1.0, user-scalable=3Dyes">
Ruben Safir ruben-at-mrbrklyn.com=
writes:
Yeah what was confusing me, I think is that you can=E2=80=99t use the ./=
filename see forthcoming usenet post
Yup. In some languages and interpreters I=E2=80=99ve worked on, the obje=
ct code (even if it=E2=80=99s a binary file) allows to use hash-bang notati=
on=E2=80=A6 so if the .class file started with
#!/usr/bin/env java
and it was chmod +x, then you could just run it with =
./Hello.class. The interpreter would then skip through the first new=
line to get to the binary content.
As far as I know, class files don=E2=80=99t support that=E2=80=A6 it wou=
ld consider the file to be corrupt if it begins with #!, which=
is a shame.
CL
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