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A comment on Run Unix processes inside your browser. Parent comment

Re:Run Unix processes inside your browser by chei0iaV on Sunday December 11, 2016 @12:21PM (#13152001)
It doesn't support a lot of very basic things, like variables

    $ TEST=1
    $ echo $TEST
    $TEST
Interestingly, in the example they show:

    $ cat README | while read L; do echo "README: $L"; done
...and yet:

    $ read L
    /usr/bin/read: command not found
    $ while true; do break; done
    /usr/bin/while: command not found
    $ echo "quotes"
    "quotes"
Seems like a horribly backwards approach to implementing a posix shell...
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Re:Run Unix processes inside your browser by userbinator on Sunday December 11, 2016 @12:30PM (#13152041)
This is apparently the source code for it:

https://github.com/plasma-umass/browsix/blob/master/src/bin/...

It doesn't do much, and certainly does not qualify as being unmodified existing code (which is what this whole system is supposed to be able to run as one of its benefits.)

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Re:Run Unix processes inside your browser by nteon on Sunday December 11, 2016 @04:51PM (#13153545)
That was our first shell we used for debugging before we had emscripten working.

The shell currently used in the demo is dash, compiled with emscripten: https://github.com/plasma-umass/browsix/blob/master/src/dash...

Which ends up in the build through our gulpfile: https://github.com/plasma-umass/browsix/blob/master/gulpfile...

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Re:Run Unix processes inside your browser by ris on Sunday December 11, 2016 @02:52PM (#13152788)
Surely one can just compile bash for browsix though?
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Re:Run Unix processes inside your browser by nteon on Sunday December 11, 2016 @04:15PM (#13153295)
That example is actually running dash - the Debian Almquist shell.

The weirdness (and reason that cd + setting variables doesn't work) is because whenever you type a command in, it executes:

$ dash -c '$COMMAND'

Rather than having a long-running shell process listing to standard in. We plan to fix this and implement a full TTY subsystem in the next month or so.

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Re:Run Unix processes inside your browser by ori_b on Sunday December 11, 2016 @03:19PM (#13152958)
Probably not. If you read the source, This thing has no real idea of processes.
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