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#!/bin/ash
# Get everything from /proc/meminfo suitable for eval to import into environment
# (Filters a few values due to invalid chars)
# With no arguments, returns everything, otherwise only those given as arguments
mem_env() {
local a e
if [ "$#" -eq 0 ]; then
e='[a-zA-Z0-9]+'
else
# Set empty first in case a value is missing
# TODO Within awk script (collect, check, then output)
for a in "$@"; do
echo "$a="
done
e="(${*// /|})"
fi
awk '{a=substr($1, 1, length($1)-1); if (a ~ /^'"$e"'$/ && $2 ~ /^[0-9]+$/) print a "=" $2}' "/proc/meminfo"
}
# Get a single entry from /proc/meminfo
mem_get() {
awk '{if ($1 == "'"$1"':") { print $2; exit; }}' "/proc/meminfo"
}
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