Articles in Category "Technology"

Array-Arithmetik in PHP

Wirklich komisch finde ich das Ergebnis einer “Addition von Arrays” in PHP. <?php $a = array(101,20,31); $b = array(19,42,300,101); $c = $a + $b; $d = array_merge($a,$b); echo ‘[a=(‘.implode(‘,’,$a).’)] + ‘. ‘[b=(‘.implode(‘,’,$b).’)] = ‘. ”.”\n”; echo ‘array_merge(a,b) = ‘. ‘[d=(‘.implode(‘,’,$d).’)]’.”\n”; ?>

Postfix “postqueue -p” (print queue) nett formatieren

ist ganz einfach: postqueue -p |    perl -ne ‘       /^[A-F09]+/&&do{          $a=<>; $b=<>;          chomp($_,$a,$b);          $a=~s/[\(\)]//g;          $b=~s/ //g;          $msg=$_.” to: “.$b.” message:”.$a;          $msg=~s/[\t ]+/ /g;          print “$msg\n”;       }    ‘