This replaces deprecated backticks by more versatile $(...) syntax.
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
[add commit description]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
local zdev=$( zram_dev )
if [ "$(mount | grep $zdev)" ]; then
local zdev=$( zram_dev )
if [ "$(mount | grep $zdev)" ]; then
- local idx=`cat /sys/class/zram-control/hot_add`
+ local idx=$(cat /sys/class/zram-control/hot_add)
zdev="$( zram_dev $idx )"
fi
zdev="$( zram_dev $idx )"
fi
- if [ `grep -c "$zram_comp_algo" /sys/block/$( basename $dev )/comp_algorithm` -ne 0 ]; then
+ if [ $(grep -c "$zram_comp_algo" /sys/block/$( basename $dev )/comp_algorithm) -ne 0 ]; then
logger -s -t zram_comp_algo -p daemon.debug "Set compression algorithm '$zram_comp_algo' for zram '$dev'"
echo $zram_comp_algo > "/sys/block/$( basename $dev )/comp_algorithm"
else
logger -s -t zram_comp_algo -p daemon.debug "Set compression algorithm '$zram_comp_algo' for zram '$dev'"
echo $zram_comp_algo > "/sys/block/$( basename $dev )/comp_algorithm"
else
# compact zram device (reduce memory allocation overhead)
local zdev="/sys/block/$( basename "$1" )"
# compact zram device (reduce memory allocation overhead)
local zdev="/sys/block/$( basename "$1" )"
- local old_mem_used=`awk '{print $3}' <$zdev/mm_stat`
- local old_overhead=`awk '{print $3-$2}' <$zdev/mm_stat`
+ local old_mem_used=$(awk '{print $3}' <$zdev/mm_stat)
+ local old_overhead=$(awk '{print $3-$2}' <$zdev/mm_stat)