<s>
PerlTidy	B-Application
is	O
a	O
tool	O
written	O
in	O
the	O
Perl	B-Language
programming	I-Language
language	I-Language
to	O
do	O
static	O
code	O
analysis	O
against	O
code	O
written	O
in	O
that	O
same	O
language	O
.	O
</s>
<s>
It	O
uses	O
either	O
command-line	O
switches	O
or	O
configuration	O
files	O
to	O
reformat	O
Perl	B-Language
scripts	O
so	O
they	O
comply	O
with	O
specified	O
coding	B-Language
rules	I-Language
.	O
</s>
<s>
The	O
default	O
configuration	O
is	O
an	O
approximation	O
of	O
the	O
Perl	B-Language
Style	O
Guide	O
.	O
</s>
<s>
Aside	O
from	O
the	O
command	O
line	O
,	O
there	O
are	O
a	O
number	O
of	O
tools	O
for	O
alternate	O
interfaces	O
for	O
PerlTidy	B-Application
,	O
including	O
one	O
for	O
the	O
Padre	B-Language
IDE	O
,	O
perltidy.el	O
for	O
Emacs	B-Application
.	O
</s>
<s>
Since	O
its	O
introduction	O
,	O
PerlTidy	B-Application
has	O
become	O
an	O
oft-recommend	O
tool	O
for	O
Perl	B-Language
programmers	O
,	O
noted	O
in	O
a	O
number	O
of	O
key	O
books	O
.	O
</s>
<s>
Notably	O
,	O
the	O
work	O
Perl	B-Language
Best	O
Practices	O
provides	O
a	O
set	O
of	O
PerlTidy	B-Application
configurations	O
to	O
match	O
the	O
syntax	O
prescriptions	O
in	O
that	O
book	O
.	O
</s>
