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Ceylan-Myriad, a generic-purpose Erlang toolbox, as an OTP application library here (see http://myriad.esperide.org)

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myriad src scripts etop.sh
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src/scripts/etop.sh 

#!/bin/sh



# Copyright (C) 2010-2018 Olivier Boudeville



# This file is part of the Ceylan-Myriad library.



# Note: now etop is deprecated in favor of observer.

# (not sure observer can be run in a terminal, in text mode)





USAGE="Usage: $(basename $0) [ -node NODE_NAME ] [ -setcookie COOKIE ]: shows the activity of Erlang processes on an Erlang node.

Example: etop.sh -node foobar@baz.org -setcookie 'my cookie'"



if [ "$1" = "-h" ] || [ "$1" = "--help" ] ; then



	echo "$USAGE"

	exit



fi



if [ -z "$*" ] ; then



	echo

	echo "(you can also specify a node and/or a cookie, use the --help option for more details)"

	echo



fi





# Ex for testing: erl -name foobar@baz.org



etop_base=$(which erl|sed 's|bin/erl$|lib/erlang/lib/observer-|1')



actual_etop_base=$(/bin/ls ${etop_base}* -d|tail -n 1)



echo "actual_etop_base = $actual_etop_base"



etop="${actual_etop_base}/priv/bin/etop"



# The '-output graphical' option is not used anymore, as observer supersedes it:

#

${etop} -interval 1 -lines 20 $*