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Regardless of whatever other command line parameters are given,
avram
accepts the following parameters:
-h, --help
Show a summary of options and exit.
-V,-v, --version
Show the version of program and a short copyleft message and exit.
--emulation=version
Be backward compatible with an older version of avram
. This
option should include a valid version number, for example
0.13.0, which is the version of avram
to be
emulated. It can make virtual code applications future proof, assuming
that future versions of avram
correctly support backward
compatibility. It may be used in conjunction with any other option in
any mode of operation.
This copy of the user manual has not been updated since version 0.13.0 of
avram
, so it is unable to document incompatibilities with later
versions. The latest version of the manual may be found at
http://www.lsbu.ac.uk/~fureyd/avram.
-e, --external-libraries
Show a list of libraries with which avram
has been linked and
whose functions therefore could be called from virtual machine
programs. This growing list currently includes selected functions from
fftw
, glpk
, gsl
, kinsol
, lapack
,
minpack
, mpfr
, lpsolve
, Rmath
and ufsparse
(see Preface) which are documented further in External Libraries.
-j, --jail
This option disables execution of shell commands by virtual code
applications, which is normally possible by default even for nominally
non-interactive applications (see Parameter Mode Options). A
virtual code application attempting to spawn a shell (using the
interact
combinator) when this option is selected will
encounter an exception rather than successful completion of the
operation. This option is provided as a security feature for running
untrusted code (see Security), and is incompatible with
‘-i’, ‘-t’, and ‘-s’.
-f, --force-text-input
Normally avram
will try to guess by looking at a file whether it
is an ordinary text file or one that has been written in the virtual
code file format, and choose a different internal representation
accordingly. An application may require one representation or the
other. This option tells avram
to treat all input files other
than the virtual code file (named in the first command line parameter)
as text files regardless of whether or not it would be possible to
interpret them otherwise. This option may be used in combination with
any other option.
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