How to programmatically detect a mounted device

| I have a gumstix running linux version below.
|
| # uname -r
| 2.6.11gum
|
| It has a MMC slot which I use for collecting log files. My
| requirements is that if the MMC card is mounted, my application would
| archive log files to the MMC card. If the card is not mounted (user
| not inserted), the my application would not archive log files, so as
| to not write to the internal flash.
|
| My question is: how can I programmatically detect whether or not a MMC
| card is mounted?

By scanning the contents of /proc/mounts (if you have /proc enabled and
mounted).

Yes, thank you. I do see the entry in the file after mounting the
card.

Best,
P

On 9 Apr 2007 12:31:57 -0700




Here is a little /bin/sh routine that you probably might find
useful, or can modify to suit...

is_reader() {
  test=$( cat /proc/scsi/usb-storage*/* 2> /dev/null | grep
"Card Reader";          cat /proc/bus/usb/devices 2> /dev/null |
grep Cnt=0[1-9] )  if [ "$test" = "" ]; then
    return 0
  else
    return 1
  fi
}

TonyB


There are 10 types of people in this world, those that read
binary and those who don't!