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Perhaps I wasn't clear. The modem spits out lines periodically -- as in 10 or so lines every 30 minutes. I want each line to be turned into a separate curl command, so that the data contained in each...

The following code works perfectly, but I am having trouble adapting it to output to my web server rather than a local file:

#!/bin/sh
# VARIABLES

adapter="/dev/tty.usbmodem0000001"

if [ -a...

That does work, and it's more elegant that my tail solution... BUT it doesn't continuously monitor the log. I would have to put it inside of a while loop and have it sleep. I like tail because it...

I don't quite know what I'm doing, so this simple script is proving a challenge.
Here is some pseudo code that doesn't work yet:

if tail -1 "WORKING.txt" >/dev/null | egrep "^NMBR=*" > /dev/null...