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Operating Systems OS X (Apple) Semi-Automatic Arduino Detection. Post 302888281 by Corona688 on Thursday 13th of February 2014 03:08:20 PM
Old 02-13-2014
Actually, I like it. Smilie The same operation in pure shell would be big ugly loops.

This looks weird though: IFS=$'\n'"\n" You would have three separators that way -- newline, backslash, and n. I think
Code:
IFS="
"

would be sufficient, not to mention, portable to shells which don't have $'' syntax.

I would avoid all that mucking with arrays. Makes it longer and less clear.

Code:
IFS="
"

read -p "Remove Arduino if it is connected, then press <CR> to continue:- "
sleep 1
first_listing=$(ls /dev)
read -p "Now replace Arduino, then press <CR> to continue:- "
sleep 1
second_listing=$(ls /dev)

difference=$(comm -23 <(echo "$second_listing") <(echo "$first_listing"))
# /usr/bin/comm ends here...
# ---------------------------------------------------------

# $1 becomes first device, $2 becomes second device, etc.
set -- $difference # MUST NOT be quoted!

echo "$*"

echo "It is the first one that I need..."
echo "----------------------------------"
while true
do
	if [ -e "/dev/$1" ]
	then
		echo "All is mighty fine here. :o)"
		# Do at least something useful with the device here.
		sleep 1
		echo "Unplug Arduino when ready..."
	else
		echo "WHO UNPLUGGED ME..."
		break
	fi
done
echo "----------------------------------"
echo "Arduino has been disconnected. ;o("
IFS="$ifs_str"

 

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SURICATA(8)						      System Manager's Manual						       SURICATA(8)

NAME
suricata - Next Generation Intrusion Detection and Prevention Tool SYNOPSIS
suricata [options] DESCRIPTION
suricata is a network Intrusion Detection System (IDS). It is based on rules (and is fully compatible with snort rules) to detect a variety of attacks / probes by searching packet content. This new Engine supports Multi-Threading, Automatic Protocol Detection (IP, TCP, UDP, ICMP, HTTP, TLS, FTP and SMB), Gzip Decompression, Fast IP Matching and coming soon hardware acceleration on CUDA and OpenCL GPU cards. It supports acquiring packets through NFQUEUE, PCAP (live or offline) etc. OPTIONS
-c config_file Use configuration file config_file -i interface Sniff packets on interface. -r file Read the tcpdump-formatted file tcpdump-file. This will cause Suricata to read and process the file fed to it. This is useful for offline analysis. -q queue_id Sniff packets sent by the kernel through NFQUEUE. This allows running Suricata in inline mode (IPS) for packets captured by iptables using the NFQUEUE target. -s signatures Path to the signatures file. -l log_dir Path to the default log directory. -D Run as daemon --init-errors-fatal Enable fatal failure on signature init error. SEE ALSO
tcpdump(1), pcap(3). AUTHOR
suricata was written by the Open Information Security Foundation. This manual page was written by Pierre Chifflier <pollux@debian.org>, for the Debian project (and may be used by others). February 2010 SURICATA(8)
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