; A minimal "forecast budget", defined with a periodic transaction rule.

; We forecast/plan to spend $500 on food each month in 2020:
~ monthly in 2020
  (expenses:food)  $500

; Some transactions:

2020-01-15
  expenses:food    $400
  assets:checking

2020-03-15
  expenses:food    $600
  assets:checking

; Some examples of the balance --budget report,
; which compares the actual (so far) and forecasted amounts.
; There are some open bugs; here is output from several hledger versions:
comment

; the totals row has always been wrong (a bug)
$ hledger-1.15 -f examples/budgeting/budget1.journal bal --budget -M
Budget performance in 2020q1:

               ||                   Jan                    Feb                    Mar 
===============++=====================================================================
 <unbudgeted>  || $-400                      0                  $-600                 
 expenses      ||  $400 [  80% of $500]      0 [   0% of $500]   $600 [ 120% of $500] 
 expenses:food ||  $400 [  80% of $500]      0 [   0% of $500]   $600 [ 120% of $500] 
---------------++---------------------------------------------------------------------
               ||     0 [   0% of $500]      0 [   0% of $500]      0 [   0% of $500] 

; since 1.16, Jan is showing no info (a bug)
; since 1.19, the boring parent "expenses" is elided by default
$ hledger-1.19.1 -f examples/budgeting/budget1.journal bal --budget -M
Budget performance in 2020Q1:

               ||                   Jan                    Feb                    Mar 
===============++=====================================================================
 <unbudgeted>  || $-400                      0                  $-600                 
 expenses:food ||  $400                      0 [   0% of $500]   $600 [ 120% of $500] 
---------------++---------------------------------------------------------------------
               ||     0                      0 [   0% of $500]      0 [   0% of $500] 

; since 1.19.99, columns shrink to fit and can vary in width
$ hledger -f examples/budgeting/budget1.journal bal --budget -M
Budget performance in 2020Q1:

               ||   Jan             Feb                   Mar 
===============++=============================================
 <unbudgeted>  || $-400  0               $-600                
 expenses:food ||  $400  0 [0% of $500]   $600 [120% of $500] 
---------------++---------------------------------------------
               ||     0  0 [0% of $500]      0 [  0% of $500]