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#!/bin/sh -e
#
# mem_swap: show the current swap available and used
#
# Copyright (C) 2010 Canonical Ltd.
# Copyright (C) 2011-2014 Dustin Kirkland
#
# Authors: Dustin Kirkland <kirkland@byobu.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
__swap_detail() {
cat /proc/meminfo
}
__swap() {
local stotal="" sfree="" name="" val="" unit="" mem="" f="";
while read name val unit; do
if [ "$name" = "SwapTotal:" ]; then
stotal="$val"
elif [ "$name" = "SwapFree:" ]; then
sfree="$val"
else
continue
fi
[ -n "$stotal" -a -n "$sfree" ] && break;
done < /proc/meminfo
if [ "${stotal:-0}" = "0" ]; then
printf ""
rm -f "$BYOBU_RUN_DIR/status.$BYOBU_BACKEND/swap"
else
mem=${stotal}
f=$(((100*($stotal-$sfree))/$stotal))
if [ $mem -ge 1048576 ]; then
fpdiv "${mem}" 1048576 1
mem=${_RET}
unit="$ICON_GB"
elif [ $mem -ge 1024 ]; then
fpdiv "${mem}" 1024 0
mem=${_RET}
unit="$ICON_MB"
else
mem="$mem"
unit="$ICON_KB"
fi
[ -n "$mem" ] || return
color b G k; printf "s%s" "$mem"; color -; color G k; printf "%s" "$unit"; color -;
color b G k; printf "%s" "$f"; color -; color G k; printf "%s" "$PCT"; color --
fi
}
# vi: syntax=sh ts=4 noexpandtab
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