bash "/volume1/homes/admin/CrowCam/TimeTest.sh" > "/volume1/homes/admin/CrowCam/TimeTest.log" 2>&1

#!/bin/bash

# ---------------------------------------------------------------------------
# TimeTest.sh - Retrieve the time of the sunrise from Google.
#
# Google use the IP address of the user to find the location and then prints
# the sunrise time on the screen for the user's location, at the top of its 
# search results.
# ---------------------------------------------------------------------------

# The User Agent string is required in order for Google to return a result.
# Without the User Agent string, Google prints an error message.
userAgent="Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) \
Chrome/51.0.2704.103 Safari/537.36"
googleQueryUrl="http://www.google.com/search?q=sunrise"
echo ""
echo "Performing Google query: $googleQueryUrl"
googleQueryResult=
googleQueryResult=$( curl -L -A "$userAgent" -s "$googleQueryUrl" )

# Print the HTML page result to prove we got it (sorry it's so big).
echo ""
echo "Google Query Result: $googleQueryResult"
echo ""

# Sunrise time is the first thing in the result which looks like a time string.
# For example "7:05 AM" appears in the results near the top. However, the
# "7" might sometimes be two digits, and the space between the "05" and the "AM"
# is a unicode nonbreaking space, code 0x202f. So the regex below searches for
# one or more digits, a colon, two more digits, any single character such as the
# nonbreaking space or a regular space, then AM or PM.
timeWithWeirdSpaceInTheMiddle=$( echo $googleQueryResult | \
grep -o -m 1 '[0-9][0-9]*:[0-9][0-9].[AP]M' )

# Convert this back into a more usable time string by parsing out the time
# digits and the AM/PM, and then re-inserting a regular space between them.
firstTimeSection=$(echo $timeWithWeirdSpaceInTheMiddle | grep -o '[0-9][0-9]*:[0-9][0-9]')
secondTimeSection=$(echo $timeWithWeirdSpaceInTheMiddle | grep -o '[AP]M')
finalSunriseString="$firstTimeSection $secondTimeSection"

# Output all of the things that were retrieved from the parsing.
echo "timeWithWeirdSpaceInTheMiddle: $timeWithWeirdSpaceInTheMiddle"
echo "firstTimeSection: $firstTimeSection"
echo "secondTimeSection: $secondTimeSection"

# Exit with an error if either of the time sections came up empty.
if [ -z "$firstTimeSection" ] || [ -z "$secondTimeSection" ]
then
  echo ""
  echo "ERROR: Time was not correctly retrieved"
  echo ""
  exit 1
else
  echo ""
  echo "finalSunriseString: $finalSunriseString"
  echo ""
  exit 0
fi

grep -o -E -m 1 '[0-9][0-9]*:[0-9][0-9].{1,3}[AP]M'

LC_ALL=en_us.UTF-8
LC_ALL="en_us.UTF-8"
LC_ALL=en_us.UTF8
LC_ALL="en_us.UTF8"
LC_ALL=en_us.utf8
LC_ALL="en_us.utf8"

warning: /volume1/homes/admin/CrowCam/TimeTest.sh: line 30: setlocale: LC_ALL: cannot change locale (en_us.utf8): No such file or directory

LC_ALL=en_US.utf8

# Force the value of the locale variable:
echo ""
echo "Previous Locale:"
echo $LC_ALL
echo "Forcing locale."
LC_ALL=en_US.utf8
echo ""

grep -o -i '[0-9]+[^0-9]+[0-9]+[^AP]*[AP][^M]*M'

grep -o -i '[0-9]+[^0-9]+[0-9]+[^aApP]*[aApP][^mM]*[mM]'

#!/bin/bash

userAgent="Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36"
googleQueryUrl="http://www.google.com/search?q="

## Sunrise:
googleQueryResult=$( curl -L -A "$userAgent" -s "${googleQueryUrl}sunrise" )
echo "$googleQueryResult" | sed -n -e 's/.*Sunrise..span.*\([01]*[0-9]:[0-5][0-9]\).\([aApP][.]*[mM]\).*/\1 \2/p' | sed -e 's/[aA][.][mM]/am/'

## Sunset:
googleQueryResult=$( curl -L -A "$userAgent" -s "${googleQueryUrl}sunset" )
echo "$googleQueryResult" | sed -n -e 's/.*Sunset..span.*\([01]*[0-9]:[0-5][0-9]\).\([aApP][.]*[mM]\).*/\1 \2/p' | sed -e 's/[pP][.][mM]/pm/'

timeWithWeirdSpaceInTheMiddle=$(echo $googleQueryResult | \
grep -o -E -m 1 '[0-9]{1,2}:[0-5][0-9].(AM|PM|am|pm|A\.M\.|P\.M\.|a\.m\.|p\.m\.)' | \
head -n 1 )