Commands using sleep (289)

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Get current Xorg resolution via xrandr
Not sure if it works the same on any shell.

Show max lengths of all fields in a pipe delimited file with header row

power off system in X hours form the current time, here X=2

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Show Mac OS X version information

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Get OSX Battery percentage
adjusting the field "f1" will give you additional information such as f1 = 98% f2 = discharging f3 = 2:02 remaining

Display the end of a logfile as new lines are added to the end

gzip over ssh
I've kept the gzip compression at a low level, but depending on the cpu power available on the source machine you may want to increase it. However, SQL compresses really well, and I found even with -1 I was able to transfer 40 MiB/s over a 100 mbps wire, which was good enough for me.

calculate the total size of files in specified directory (in Megabytes)


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