Control IP2IR from Mac command line

So I finally worked out a method to control my stereo via the command line on my Mac using the IP2IR device I just bought. I tried using this https://www.kolinahr.com/documentation/wagner-ir-extractor/getting-started-with-the-wire-utility/ but it wouldn't run on the Mac out of the box.

However, I used part of this excellent code to come up with this script. This works to turn off my NAD C 356.

A things are needed for this script to work.

Change the IP address for your IP2IR.
Install nmap via brew install nmap since ncat doesn't come with the Mac.
Get the IR code for your device from the Global Cache database.

I'm not a professional programmer but thought this might help someone...

#!/bin/sh

ncat=/usr/local/bin/ncat    # brew install nmap 
ip=10.0.1.25
port=4998

# create the script for ncat
cat <<'EOF' > /tmp/ir.sh 
#!/bin/bash
echo -e -n "$1\r" ; read -t 5 -d $'\r' input ; rc=$?
if [ $rc -ne 0 ]; then input="ERR:$rc, iTach command timeout" ; fi
echo $input > /tmp/ir.out
EOF
chmod a+x /tmp/ir.sh

# IR codes from https://irdb.globalcache.com/Home/Database
off="sendir,1:1,1,38000,1,69,343,172,21,64,21,64,21,64,21,21,22,21,22,21,21,22,21,65,21,21,22,21,22,63,22,63,22,63,22,63,22,63,22,22,21,21,22,21,22,21,21,64,21,21,22,21,22,63,22,63,22,63,22,63,22,63,22,21,21,64,21,64,21,21,22,21,22,1487,342,85,22,1487"

# send the code 
cmd="$ncat -w 3 --exec '/tmp/ir.sh $off' $ip $port"
eval $cmd > /dev/null 2>&1
if [ "$?" != "0" ] ; then echo "ERR: could not send IR code." ; exit 1 ; fi
if ! `grep -q completeir /tmp/ir.out` ; then echo "ERR: IR code did not work" ; exit 1 ; fi

# cleanup
rm /tmp/ir.sh /tmp/ir.out > /dev/null 2>&1

Control IP2IR from Mac command line

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