# 1. nested includes in subdirectories
 mkdir -p b/c/d ; printf '2010/1/1\n (D)  1\n' >b/c/d/d.journal ; printf '2010/1/1\n (C)  1\n!include d/d.journal\n' >b/c/c.journal ; printf '2010/1/1\n (B)  1\n!include c/c.journal\n' >b/b.journal ; printf '2010/1/1\n (A)  1\n!include b/b.journal\n' >a.journal ; hledger -f a.journal print; rm -rf a.journal b
>>>
2010/01/01
    (A)               1

2010/01/01
    (B)               1

2010/01/01
    (C)               1

2010/01/01
    (D)               1

>>>2
>>>=0

# 2. including other formats
hledger -f - print
<<<
2016/1/1
   (x)  1

include a.timeclock
include b.timedot
>>>
2016/01/01
    (x)            1.00

2016/01/01 * 12:00-16:00
    (a:aa)           4.00h

2016/01/01 *
    (b.bb)            1.00

>>>=0