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view wisdom/klein bottle @ 10991:2a49f15d9293
<wob_jonas> perl -e {$f="wisdom/rules of wisdom";open$i,"<",$f or die;local$/;$s=<$i>;$s=~s/with no space at the end/and end in a newline with no space before that/ or die;$s=~s/\\n\\z// or die;print$s;open$o,">",$f;print$o $s or die;}
author | HackBot |
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date | Fri, 02 Jun 2017 10:25:48 +0000 |
parents | 3ce8590589fa |
children |
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A Klein bottle is like a torus, but more insidious. Taneb tried to invent it, but got trapped inside.