ref: 919f1ae4f46a9626e281a588bc0c16bf93c804d0
dir: /acme/bin/Battery/
#!/bin/rc if(! test -f /mnt/apm/battery){ echo no apm >[1=2] exit 'no apm' } cd /mnt/acme/new echo name /dev/apm >ctl echo dump Battery >ctl awkscript=' NR==1 { if($3 != -1) printf("%d%% %d:%02d %s", $2, $3/3600, ($3/60)%60, $1); else printf("%d%% %s", $2, $1); } ' fn chk { what=`{awk $awkscript /mnt/apm/battery} echo cleartag >ctl || exit die echo clean >ctl || exit die echo ' '^$"what >tag || exit die } chk while(sleep 60) chk