This may indicate a Mac .app issue -- maybe it doesn't like being modified. For that matter it may be much safer to play on a Linux VM and downloading the sources instead. Alternatively try the config-user.scm method on https://wiki.gnucash.org/wiki/Custom_Reports
On Mon, 23 Mar 2020 at 22:13, Michael Hendry <hendry.mich...@gmail.com> wrote: > > On 23 Mar 2020, at 12:48, Christopher Lam <christopher....@gmail.com> > wrote: > > > > This is more suitable for devel. > > > > On Mon, 23 Mar 2020 at 11:29, Michael Hendry <hendry.mich...@gmail.com> > wrote: > > Rather than dive into Scheme programming with a completely new report, > I’d like to try editing an existing report to provide a little > customisation. > > I’m looking at the experimental report balsheet-pnl.scm by Christopher > Lam, which I found here on my Mac… > > > > Not the easiest report to start with. > > > > In other programming environments I would simply save the edited file > and run it, but I can see a few pitfalls! > > Line 28 reads: > > (define-module (gnucash report standard-reports balsheet-pnl)) > > which should presumably be changed, e.g. to: > > (define-module (gnucash report standard-reports MH_balsheet-pnl)) > > > > Correct. The define-module name must match the file path; this is a > requirement in the standard-reports folder. Can't remember where exactly > this is enforced. > > > > After that, I think it should be plain sailing until line 1340: > > (define balsheet-reportname (_ "Balance Sheet (Multicolumn)")) > > (define pnl-reportname (_ "Income Statement (Multicolumn)")) > > > > (gnc:define-report > > 'version 1 > > 'name balsheet-reportname > > 'report-guid "065d5d5a77ba11e8b31e83ada73c5eea" > > 'menu-path (list gnc:menuname-experimental) > > 'options-generator (lambda () (multicol-report-options-generator > 'balsheet)) > > 'renderer (lambda (rpt) (multicol-report-renderer rpt 'balsheet))) > > > > (gnc:define-report > > 'version 1 > > 'name pnl-reportname > > 'report-guid "0e94fd0277ba11e8825d43e27232c9d4" > > 'menu-path (list gnc:menuname-experimental) > > 'options-generator (lambda () (multicol-report-options-generator 'pnl)) > > 'renderer (lambda (rpt) (multicol-report-renderer rpt 'pnl))) > > > > I expect there would be scope for confusion if I didn’t change lines > 1340-1 - say prefixing “MH_” to the definitions, but I’m not sure about the > options-generator and renderer lines. > > > > No. these lines define the options-generator to be a procedure with no > arguments i.e. lambda () that calls (multicol-report-options-generator > 'pnl). The 'pnl is used to direct the multicol-report-options-generator to > provide options suitable for profit-n-loss aka 'pnl. See the definition of > multicol-report-options-generator and locate where 'pnl is tested. > > > > uuidgen on my Mac issues 36-character uuids, with hyphens and uppercase, > like this: > > 47170C69-F87E-4A3B-9A97-8B97F56F5DFD > > Would I need to edit them to give 32-character lowercase uuids, lacking > hyphens? > > > > Actually any unique string of any length will do. > > > > Obviously, I have to take responsibility for my own programming > experiments (and errors), but I’d appreciate a quick steer from someone > with Scheme experience. Regards, > > Michael > > > > Good luck! > > Thanks for your prompt response, Christopher. > > I was naive enough to think that all I had to do was create a duplicate > report file in the same directory as above, rename it, then run GnuCash and > see what happened. > > Unfortunately (i.e. predictably) what happened was the GC splash screen > came up for a few seconds, then disappeared without bringing up the Gnucash > UI. > > Running from the command line brought up an error message about > compilation, but running with compilation switched off didn’t help. > > I’ve since deleted the new file, but still can’t get Gnucash to run - not > even a newly downloaded and installed copy of version 3.8. > > I’ve clearly broken something fundamental, but having spent much of today > searching for the damage, I’ve failed. > > I’d really appreciate a steer in the right direction, but I think I may > have to uninstall GnuCash and start again. > > Michael > > > _______________________________________________ gnucash-devel mailing list gnucash-devel@gnucash.org https://lists.gnucash.org/mailman/listinfo/gnucash-devel
