Plan 9 from Bell Labs’s /usr/web/sources/contrib/rsc/scripts/hlink
#!/bin/rc if(~ $#* 0) { cat >/tmp/xhlink link=`{cat /tmp/xhlink} link=$"link } if not link=$"* echo -n '<a href="'^$link^'">' if(~ $#* 0) cat /tmp/xhlink if not cat echo -n '</a>' rm -f /tmp/xhlink