weather

#!/usr/bin/bash



#Curl weather from www.wttr.in and print it to terminal

##Lis tof available options by priority
#if no args are provided print overview + today
#few -- print the temperature only
#all -- print all following args
#overview -- print overview
#today -- print weather for today
#tomorrow -- print weather for tomorrow
#overmorrow -- print weather for overmorrow

#Retrieving URL
WURL="http://www.wttr.in"
function COND {
  curl -s $WURL | tail -n 38| head -n 1 | perl -pe 's/\x1b\[[0-9;]*m//g' | cut -c 16- | perl -pe 's/[\s]*\n//g'
}

function TEMP {
	curl -s $WURL | tail -n 37| head -n 1| perl -pe 's/\x1b\[[0-9;]*m//g' | cut -c 16- | perl -pe 's/[\s]*\n//g'
}

function OVERVIEW {
	curl -s $WURL | head -n 7
}

function TODAY {
	curl -s $WURL | head -n 17 | tail -n 10
}

function TOMORROW {
	curl -s $WURL | head -n 27 | tail -n 10
}

function OVERMORROW {
	curl -s $WURL | tail -n 13 | head -n 10
}

function NO_ARGS { #overview + today
	curl -s $WURL | head -n 17
}

function ALL {
	curl -s $WURL | head -n 37
}

if [[ $# -eq 0 ]]; then  								#No arguments, print overview + today
	NO_ARGS
else
	#remove duplicate
	args=($(echo "$@" | tr ' ' '\n' | sort -u | tr '\n' ' '))
	
	#Check for arguments by priorities
	if `echo ${args[@]} | grep -q "all"` ; then 					#print everything once and at once and in order
		ALL
	else	#print each options by priority
		if `echo ${args[@]} | grep -q "bar"` ; then 				#print temperature only
      { TEMP; echo " "; COND; } | tr "[\W]*\n" " " 
    elif `echo ${args[@]} | grep -q "temperature"`; then
      TEMP
    elif `echo ${args[@]} | grep -q "condition"` ; then
      COND
    else 									#print each option by priority
			if `echo ${args[@]} | grep -q "overview"` ; then
				OVERVIEW
			fi
			if `echo ${args[@]} | grep -q "today"` ; then
				TODAY
			fi
			if `echo ${args[@]} | grep -q "tomorrow"` ; then
        TOMORROW
      fi
			if `echo ${args[@]} | grep -q "overmorrow"` ; then
        OVERMORROW
      fi
		fi
	fi
fi