precedence

http://perldoc.perl.org/perlop.html#Conditional-Operator 

$x % 2 ? $x += 10 : $x += 2

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Really means this: 
 (($x % 2) ? ($x += 10) : $x) += 2

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$capacity =($df_output =~ m[(\d+)%\s+/home$]) ? $1 : 'Match Error';

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In reply to Re: regex syntax and idomatic Perl by huck
in thread regex syntax and idomatic Perl by cbeckley

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