breaking a long arithmetic statement into multiple line

[Sean]

say I have a long expression:

$abassd = ($abassd - $old_abassd) / 1000 * $time .... - $abassd;

I want to write it into multiple lines (for readability), but it seems
that
perl interpretter does not recognize it as C++ compiler does.

Sean

 

[Paul Lalli]

say I have a long expression:

$abassd = ($abassd - $old_abassd) / 1000 * $time .... - $abassd;

I want to write it into multiple lines (for readability), but it seems
that
perl interpretter does not recognize it as C++ compiler does.

Perl is not C++. Why are you expecting them to be interpreted/compiled
the same way?

Whitespace is irrelevant in Perl. You can put newlines (almost)
anywhere you want. How were you breaking up the code? How is it not
working the way you want?

Why not show exactly what you were doing, so we can show you how you're
doing it wrong?

Paul Lalli

 

[Tad McClellan]

say I have a long expression:

$abassd = ($abassd - $old_abassd) / 1000 * $time .... - $abassd;

the .... is not Perl, so I'll ignore everything after that.

I want to write it into multiple lines (for readability),

$abassd
=
(
$abassd
-
$old_abassd
)
/
1000
*
$time


You can write that expression in anywhere from 1 to 11 non-empty lines.

(15 lines if you also split after the sigils.)


Choose the number that you like best.

 

[Jürgen Exner]

say I have a long expression:

$abassd = ($abassd - $old_abassd) / 1000 * $time .... - $abassd;

I want to write it into multiple lines (for readability),

Nice idea. Why don't you do it?

that
perl interpretter does not recognize it as C++ compiler does.

Why would you expect them to be the same?
It would be a coincidence if Perl and C++ had the same behaviour.

jue

 

[Ala Qumsieh]

the .... is not Perl, so I'll ignore everything after that.






$abassd
=
(
$abassd
-
$old_abassd
)
/
1000
*
$time


You can write that expression in anywhere from 1 to 11 non-empty lines.

(15 lines if you also split after the sigils.)


Choose the number that you like best.

I can do better:

$
{
abassd
}

etc... 23 lines total

--Ala