-- -*- M2-comint -*- hash: 2990361296988669653

i1 : gfan = findProgram("gfan", "gfan --help")

o1 = gfan

o1 : Program

i2 : runProgram(gfan, "_version")

o2 = 0

o2 : ProgramRun

i3 : oo#"output"

o3 = Gfan version:
     gfan0.7

     Forked from source tree on:
     1723478415 Mon Aug 12 18:00:15 2024

     Linked libraries:
     GMP 6.3.0
     Cddlib       YES
     SoPlex        NO
     Singular      NO


i4 : runProgram(gfan, "_foo", RaiseError => false)

o4 = 256

o4 : ProgramRun

i5 : oo#"error"

o5 = UNKNOWN OPTION: _foo.
     USE --help AS A SINGLE OPTION TO VIEW THE HELP TEXT.


i6 : toString runProgram(gfan, "_version")

o6 = Gfan version:
     gfan0.7

     Forked from source tree on:
     1723478415 Mon Aug 12 18:00:15 2024

     Linked libraries:
     GMP 6.3.0
     Cddlib       YES
     SoPlex        NO
     Singular      NO


i7 : runProgram("normaliz", "--version")

o7 = 0

o7 : ProgramRun

i8 : peek oo

o8 = ProgramRun{command => /usr/bin/normaliz --version                                          }
                error => 
                output => Normaliz 3.11.1
                          ------------------------------------------------------------
                          with package(s) Flint e-antic nauty
                          Copyright (C) 2007-2025  The Normaliz Team, University of Osnabrueck.
                          This program comes with ABSOLUTELY NO WARRANTY; This is free software,
                          and you are welcome to redistribute it under certain conditions;
                          See COPYING for details.

                return value => 0

i9 : 
