Increase the range of characters that get substituted by '_' so the
shell doesn't complain about illegal variable names.
Primarily done to catch '.' and '-' but who knows what funnies will
appear in i/f names.
It's a shame that busybox ash doesn't understand :alnum:
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Add a script that can collect data from mq (multi queue) and cake
qdiscs.
Script is reliant on collectd's 'exec' module.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
