There are even books out there just for bask scripting, some advanced some intro. O'Reilley has at least one I am pretty sure
Intro http://shop.oreilly.com/product/9781565923478.do solutions and examples http://shop.oreilly.com/product/9780596526788.do On Wed, Oct 30, 2013 at 7:50 AM, rh_ <[email protected]> wrote: > Whenever I have to do bash I look at examples. Every linux OS has > lots of bash scripts and provides good examples. > > On Wed, 30 Oct 2013 07:02:43 -0700 (PDT) > Jason McMillon <[email protected]> > wrote: > > > So I am the proud owner of a weather cape and beagle bone white and a > > newb when it comes to bash scripting. > > > > Lets say I want to otput to the command line the relative humidity as > > a percentage using a bash script. > > > > Getting the relative humidity is as easy as cat > > /sys/bus/i2c/devices/1-0040/humidity1_input > > > > How do I assign this value to a variable in a bash script so that I > > can manipulate it (specificall divide by 1000 to express as a > > percentage)? > > humidityInput=/sys/bus/i2c/devices/1-0040/humidity1_input > > echo $humidityInput > > > > gives me /sys/bus/i2c/devices/1-0040/humidity1_input > > > > I have tried putting paranthesis, quotes, and single quotes around > > "/sys/bus/i2c/devices/1-0040/humidity1_input" but can't get bash to > > assign the value of the file to the variable. > > > > Any of you linux gurus want to help a new out? > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
