File: perl.sci

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// Allan CORNET INRIA 2004
// Lance un script Perl
function [resultat,status] = perl(varargin)
  Chainecmd = '';
  lhs=argn(1);   
  rhs=argn(2);
  
  if (rhs) then
    // Verification que le premier parametre est un fichier 
    [x,ierr]=fileinfo(varargin(1));
    if (x == []) then
      msgerr='Unable to find Perl file: '+string(varargin(1));
    	error(msgerr);
    else
      // Verification que les parametres sont des chaines de caracteres
      for i=1:1:rhs,
        if ~(type(varargin(i)) == 10) then
          error('All input arguments must be strings.');
        end
        
        idx=strindex(varargin(i),' ');
        if ~( idx == 0 ) then
          varargin(i)=""""+varargin(i)+"""";
        end
        if (i == 2) then
          Chainecmd=varargin(1)+' '+varargin(i);
        else
          Chainecmd=Chainecmd+ ' ' +varargin(i);
        end
      end
      
      if (Chainecmd == '') then
        error('No perl command specified');
      else
        if MSDOS then
          // Pour Windows
          CheminPerl= fullfile(pathconvert(SCI,%f,%f,'w'),'\perl\bin\');
          
          [x,ierr]=fileinfo(CheminPerl+'perl.exe');
          if (x == []) then
            msgerr='Unable to find Perl in: '+CheminPerl;
            error(msgerr);
          else
            Chainecmd = 'perl'+' '+Chainecmd;
            CommandePerl = 'set PATH='+CheminPerl+';%PATH%&'+Chainecmd+'>'+TMPDIR+'\script';
            status=unix(CommandePerl);
            resultat=mgetl(TMPDIR+'\script');
          end
        else
          // Pour Linux
          status = unix('which perl'+'>'+TMPDIR+'/pathperl');
          pathperl=mgetl(TMPDIR+'/pathperl');
          if (status == 0) then
            Chainecmd = 'perl'+' '+Chainecmd+'>'+TMPDIR+'/script';
            status = unix(Chainecmd);
            resultat=mgetl(TMPDIR+'\script');
          else
            error('Unable to find Perl.');
          end
        end
      end
      if (status~=0) then
        msgerr= 'System error: '+ resultat+' Command executed: '+ Chainecmd;
        error(msgerr);
      end
    end  
  else
    error('First input argument must be a Perl File');
  end
endfunction