On Wed, Oct 08, 2014 at 04:02:55PM -0700, Douglas Wilson wrote:
> I've been using Python, and therefore have
> access to Sage, which includes an interface
> to GAP. So I can write a Python program
> that, via Sage, will let me evaluate an
> expression using GAP.
>
> That seems a very round-about way of
> using GAP, and is limited to single
> expressions. What I'd really like to do is
> run a GAP language program from the
> command line.
Under Linux, it is possible to use a shell script
to start a gap program and pass some input from
the command line to it. For example, if script.sh
is
#!/bin/bash
/somepath/gap << EOF
parameter := $1;
Read("program.g");
EOF
then the shell command
./script.sh 123
starts GAP and runs
parameter := 123;
Read("program.g");
Best wishes,
Petr Savicky.
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