[Octave-bug-tracker] [bug #49156] No easy way to check whether a package is installed

[Francesco Potortì]

Follow-up Comment #1, bug #49156 (project octave):

Something like


## Check whether a package is installed                                       
                                 
function ret = pkginstalled(package)
  l = pkg('list');                              # list of installed packages  
                                 
  ret = any(arrayfun((@(x)strcmp(x{}.name, package)), l));
endfunction



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