I have run into this problem too.  Especially, in a long script, it is easy to drop an end if or endloop. But I can also see that you might do something like this purposely. So as a comprise,  could a comand like endscript be added? That way if I have an erroneously unbalenced loop or if or whatever, getl will know that I am a dope and issue an error?  The reason I suggest this is that when I have made this error,  gretl will normally execute the script without an error message on the first run, but throw what seems to be a random error the next run. So it takes a bit of head scratching to figure my goof up. Logan  Sent from my T-Mobile 4G LTE Device -------- Original message -------- From: Jan Tille <Jan.Tille(a)absolut-research.de&gt; Date: 2015/12/12 3:22 PM (GMT-06:00) To: r.lucchetti(a)univpm.it, Gretl list <gretl-users(a)lists.wfu.edu&gt; Subject: Re: [Gretl-users] gretl freezes Jack, Sven, apologies for bothering you and the list with my blindness. Nonetheless, thank you very much for granting support. Jan -----Ursprüngliche Nachricht----- Von: Plus.line MailSystem [mailto:cyrus@mailer.plusline.de] Im Auftrag von Riccardo (Jack) Lucchetti Gesendet: Samstag, 12. Dezember 2015 21:27 An: Gretl list <gretl-users(a)lists.wfu.edu&gt; Betreff: Re: [Gretl-users] gretl freezes On Sat, 12 Dec 2015, Sven Schreiber wrote: Good point. In fact, there's a number of things we could do better (eg, optimize a few things for speed) if we had a means to determine if a certain piece of hansl code was meant to be run "on its own", so to speak. In fact, this is what happens if you run a hansl file via "gretlcli -b". Adding a warning like "warning: unterminated loop" is probably a good idea. -------------------------------------------------------    Riccardo (Jack) Lucchetti    Dipartimento di Scienze Economiche e Sociali (DiSES)    Università Politecnica delle Marche    (formerly known as Università di Ancona)    r.lucchetti(a)univpm.it    http://www2.econ.univpm.it/servizi/hpp/lucchetti ------------------------------------------------------- _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users