wm: infra

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pasted: import

a simple pastebin, modeled after old pastebin in old server.
with some more checks.

--- /dev/null

+++ b/pasted

@@ -1,0 +1,20 @@

+#!/bin/rc

+# wm/pasted path

+# a simple pastebin, use with aux/listen

+if(! ~ $#* 1) {

+	echo 'usage: wm/pasted user' >[1=2]

+	exit usage

+}

+

+# not to override files

+fn genrand {

+	dir = $1

+	rand = `{dd -quiet 1 -if /dev/random -bs 2 -count 1 | xd -1 | awk '{$1=""; print $0}' | tr -d ' '}

+	if(test -e $dir/$rand){

+		genrand

+	}

+}

+

+genrand $1

+echo $rand

+read -m -c `{echo '1024 * 1024 * 5'| bc} > $dir/$rand