From 2ba382621b3ffbaa4a9ca9b448fdd0ef8dfc1d17 Mon Sep 17 00:00:00 2001
From: Lucas Merencia <lucas.merencia@gmail.com>
Date: Fri, 17 Feb 2017 15:47:32 -0200
Subject: [PATCH] added script for timezones generation

---
 scripts/generate-timezones.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 scripts/generate-timezones.sh

diff --git a/scripts/generate-timezones.sh b/scripts/generate-timezones.sh
new file mode 100755
index 0000000..2c2131c
--- /dev/null
+++ b/scripts/generate-timezones.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+ZONES=`find /usr/share/zoneinfo -type f | sed 's/\/usr\/share\/zoneinfo\///g' | xargs -n1 | sort -u | xargs`
+
+OUTPUT="{"
+for ZONE in $ZONES
+do
+  if [ $ZONE != "+VERSION" ]; then
+    OFFSET=`env TZ=${ZONE} date +%z`
+    NUMBER=`env TZ=${ZONE} date +%z | sed -E 's/(\+|\-)(0{0,3})//g'`
+    if [[ $OFFSET == *"-"* ]]; then
+      OFFSET="-$NUMBER"
+    else
+      OFFSET=$NUMBER
+    fi
+    OUTPUT="$OUTPUT\"$ZONE\": $OFFSET,"
+  fi
+done
+
+OUTPUT="$OUTPUT}"
+OUTPUT=`echo $OUTPUT | sed 's/,}/}/g'`
+echo "$OUTPUT" > timezones.json
+
+