bar{
status_command exec ~/.config/i3/net-speed.sh
}
ls ls /sys/class/net
to find ifaces= list of interfaces to show speed like eth0,enp8s0,etc
touch ~/.config/i3/net-speed.sh
nano ~/.config/i3/net-speed.sh
-------------------------------------------------------------------------------------------------------------------------------------
ifaces="wlp0s20u2"
last_time=0
last_rx=0
last_tx=0
rate=""
readable() {
local bytes=$1
local kib=$(( bytes >> 10 ))
if [ $kib -lt 0 ]; then
echo "? K"
elif [ $kib -gt 1024 ]; then
local mib_int=$(( kib >> 10 ))
local mib_dec=$(( kib % 1024 * 976 /
10000 ))
if [ "$mib_dec" -lt 10 ]; then
mib_dec="0${mib_dec}"
fi
echo "${mib_int}.${mib_dec} M"
else
echo "${kib} K"
fi
}
update_rate() {
local time=$(date +%s)
local rx=0 tx=0 tmp_rx tmp_tx
for iface in $ifaces; do
read tmp_rx < "/sys/class/net/${iface}/statistics/rx_bytes"
read tmp_tx < "/sys/class/net/${iface}/statistics/tx_bytes"
rx=$(( rx + tmp_rx ))
tx=$(( tx + tmp_tx ))
done
local interval=$(( $time - $last_time
))
if [ $interval -gt 0 ]; then
rate="$(readable $(( (rx - last_rx) /
interval )))↓ $(readable $(( (tx -
last_tx) / interval )))↑"
else
rate=""
fi
last_time=$time
last_rx=$rx
last_tx=$tx
}
i3status | (read line && echo "$line" &&
read line && echo "$line" && read line &&
echo "$line" && update_rate && while :
do
read line
update_rate
echo ",[{\"full_text\":\"${rate}\"
},${line#,\[}" || exit 1
done)
----------------------------------------------------------------------------------------------------------------------------------
test the script and add the line on bar{} in i3config file.
source:http://code.stapelberg.de/git/i3status/tree/contrib/net-speed.sh
status_command exec ~/.config/i3/net-speed.sh
}
ls ls /sys/class/net
to find ifaces= list of interfaces to show speed like eth0,enp8s0,etc
touch ~/.config/i3/net-speed.sh
nano ~/.config/i3/net-speed.sh
-------------------------------------------------------------------------------------------------------------------------------------
ifaces="wlp0s20u2"
last_time=0
last_rx=0
last_tx=0
rate=""
readable() {
local bytes=$1
local kib=$(( bytes >> 10 ))
if [ $kib -lt 0 ]; then
echo "? K"
elif [ $kib -gt 1024 ]; then
local mib_int=$(( kib >> 10 ))
local mib_dec=$(( kib % 1024 * 976 /
10000 ))
if [ "$mib_dec" -lt 10 ]; then
mib_dec="0${mib_dec}"
fi
echo "${mib_int}.${mib_dec} M"
else
echo "${kib} K"
fi
}
update_rate() {
local time=$(date +%s)
local rx=0 tx=0 tmp_rx tmp_tx
for iface in $ifaces; do
read tmp_rx < "/sys/class/net/${iface}/statistics/rx_bytes"
read tmp_tx < "/sys/class/net/${iface}/statistics/tx_bytes"
rx=$(( rx + tmp_rx ))
tx=$(( tx + tmp_tx ))
done
local interval=$(( $time - $last_time
))
if [ $interval -gt 0 ]; then
rate="$(readable $(( (rx - last_rx) /
interval )))↓ $(readable $(( (tx -
last_tx) / interval )))↑"
else
rate=""
fi
last_time=$time
last_rx=$rx
last_tx=$tx
}
i3status | (read line && echo "$line" &&
read line && echo "$line" && read line &&
echo "$line" && update_rate && while :
do
read line
update_rate
echo ",[{\"full_text\":\"${rate}\"
},${line#,\[}" || exit 1
done)
----------------------------------------------------------------------------------------------------------------------------------
test the script and add the line on bar{} in i3config file.
source:http://code.stapelberg.de/git/i3status/tree/contrib/net-speed.sh