<s>
Ledger	B-Language
is	O
a	O
command-line	O
based	O
double-entry	O
bookkeeping	O
application	O
.	O
</s>
<s>
Ledger	B-Language
does	O
not	O
write	O
or	O
modify	O
data	O
,	O
it	O
only	O
parses	O
the	O
input	O
data	O
and	O
produces	O
reports	O
.	O
</s>
<s>
Linux	O
Weekly	O
News	O
editor	O
Jonathan	O
Corbet	O
found	O
Ledger	B-Language
to	O
be	O
a	O
"	O
powerful	O
tool	O
"	O
,	O
particularly	O
for	O
generating	O
reports	O
,	O
but	O
that	O
the	O
software	O
lacked	O
many	O
of	O
the	O
features	O
necessary	O
to	O
scale	O
to	O
the	O
needs	O
of	O
a	O
small	O
business	O
.	O
</s>
<s>
Joe	O
Barr	O
writing	O
for	O
Linux.com	B-Application
commented	O
"	O
If	O
you	O
're	O
an	O
MBA	O
who	O
groks	O
Emacs	B-Application
and	O
regular	O
expressions	O
,	O
or	O
a	O
kernel	O
hacker	O
who	O
appreciates	O
tax	O
deferred	O
accruals	O
,	O
you	O
'll	O
love	O
this	O
application.	O
"	O
</s>
<s>
It	O
noted	O
reading	O
of	O
GnuCash	B-Language
files	O
,	O
scriptability	O
,	O
an	O
Emacs	B-Application
interface	O
and	O
automated	O
transactions	O
as	O
strong	O
features	O
as	O
well	O
as	O
the	O
Common	B-Language
Lisp	I-Language
port	O
and	O
the	O
Haskell	B-Language
port	O
of	O
the	O
system	O
.	O
</s>
<s>
The	O
Ledger	B-Language
system	O
and	O
file	O
format	O
have	O
been	O
quite	O
influential	O
,	O
reimplemented	O
in	O
several	O
other	O
languages	O
and	O
inspiring	O
similar	O
tools	O
.	O
</s>
<s>
Actively	O
developed	O
ports	O
include	O
Abandon	O
in	O
Scala	B-Application
,	O
Beancount	O
in	O
Python	B-Language
,	O
and	O
hledger	O
in	O
Haskell	B-Language
.	O
</s>
<s>
Actively	O
developed	O
projects	O
inspired	O
by	O
ledger	B-Language
include	O
penny	O
.	O
</s>
