36 lines
658 B
Plaintext
36 lines
658 B
Plaintext
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#!/bin/bash
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################################
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# Shows bandwidth
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#
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# @param {String(tx|rx)} type: The bandwidth type to check
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# @return {Number(kB/s)}: Speed of the interface
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################################
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dir=$(dirname $0)
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source $dir/util.sh
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type=$BLOCK_INSTANCE
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file=/tmp/i3blocks_bandwidth_$type
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touch $file
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prev=$(cat $file)
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cur=0
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netdir=/sys/class/net
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for iface in $(ls -1 $netdir); do
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# Skip the loopback interface
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if [ "$iface" == "lo" ]; then continue; fi
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f=$netdir/$iface/statistics/${type}_bytes
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n=$(cat $f)
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cur=$(expr $cur + $n)
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done
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delta=$(calc "$cur - $prev")
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echo "$(calc "$delta / 1000") kB/s"
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# store result
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echo $cur > $file
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