From ec28e63c30962818dab315d64ee4da10005e47fd Mon Sep 17 00:00:00 2001
From: Simon Nagl <simonnagl@aim.com>
Date: Thu, 28 Apr 2016 22:41:15 +0200
Subject: Fix #282 use modern arithmetic expansion in shell

Use $((.*)) instead of $[.*]
The later one is old syntax
---
 charts.d/ap.chart.sh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'charts.d/ap.chart.sh')

diff --git a/charts.d/ap.chart.sh b/charts.d/ap.chart.sh
index 10a65688c2..aed51c1b67 100755
--- a/charts.d/ap.chart.sh
+++ b/charts.d/ap.chart.sh
@@ -54,25 +54,25 @@ ap_create() {
 
 		# create the chart with 3 dimensions
 		cat <<EOF
-CHART ap_clients.${dev} '' "Connected clients to ${ssid} on ${dev}" "clients" ${dev} ap.clients line $[ap_priority + 1] $ap_update_every
+CHART ap_clients.${dev} '' "Connected clients to ${ssid} on ${dev}" "clients" ${dev} ap.clients line $((ap_priority + 1)) $ap_update_every
 DIMENSION clients '' absolute 1 1
 
-CHART ap_bandwidth.${dev} '' "Bandwidth for ${ssid} on ${dev}" "kilobits/s" ${dev} ap.net area $[ap_priority + 2] $ap_update_every
+CHART ap_bandwidth.${dev} '' "Bandwidth for ${ssid} on ${dev}" "kilobits/s" ${dev} ap.net area $((ap_priority + 2)) $ap_update_every
 DIMENSION received '' incremental 8 1024
 DIMENSION sent '' incremental -8 1024
 
-CHART ap_packets.${dev} '' "Packets for ${ssid} on ${dev}" "packets/s" ${dev} ap.packets line $[ap_priority + 3] $ap_update_every
+CHART ap_packets.${dev} '' "Packets for ${ssid} on ${dev}" "packets/s" ${dev} ap.packets line $((ap_priority + 3)) $ap_update_every
 DIMENSION received '' incremental 1 1
 DIMENSION sent '' incremental -1 1
 
-CHART ap_issues.${dev} '' "Transmit Issues for ${ssid} on ${dev}" "issues/s" ${dev} ap.issues line $[ap_priority + 4] $ap_update_every
+CHART ap_issues.${dev} '' "Transmit Issues for ${ssid} on ${dev}" "issues/s" ${dev} ap.issues line $((ap_priority + 4)) $ap_update_every
 DIMENSION retries 'tx retries' incremental 1 1
 DIMENSION failures 'tx failures' incremental -1 1
 
-CHART ap_signal.${dev} '' "Average Signal for ${ssid} on ${dev}" "dBm" ${dev} ap.signal line $[ap_priority + 5] $ap_update_every
+CHART ap_signal.${dev} '' "Average Signal for ${ssid} on ${dev}" "dBm" ${dev} ap.signal line $((ap_priority + 5)) $ap_update_every
 DIMENSION signal 'average signal' absolute 1 1
 
-CHART ap_bitrate.${dev} '' "Bitrate for ${ssid} on ${dev}" "Mbps" ${dev} ap.bitrate line $[ap_priority + 6] $ap_update_every
+CHART ap_bitrate.${dev} '' "Bitrate for ${ssid} on ${dev}" "Mbps" ${dev} ap.bitrate line $((ap_priority + 6)) $ap_update_every
 DIMENSION receive '' absolute 1 1000
 DIMENSION transmit '' absolute -1 1000
 DIMENSION expected 'expected throughput' absolute 1 1000
-- 
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