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#<\/span>!/<\/span>usr<\/span>/<\/span>bin<\/span>/<\/span>env<\/span> groovy<\/span><\/div>
 <\/div>
import<\/span> org.joda.time.*<\/span><\/div>
 <\/div>
if<\/span>(<\/span>args<\/span>.<\/span>size<\/span>()<\/span> <<\/span> 2<\/span>)<\/span> {<\/span><\/div>
    usage<\/span>()<\/span><\/div>
}<\/span><\/div>
 <\/div>
dateFormat<\/span> =<\/span> new<\/span> java<\/span>.<\/span>text<\/span>.<\/span>SimpleDateFormat<\/span>(<\/span>"MMM-d-yyyy"<\/span>)<\/span><\/div>
 <\/div>
try<\/span> {<\/span><\/div>
	startDate<\/span> =<\/span> args<\/span>[<\/span>0<\/span>]<\/span> ==<\/span> '<\/span>today<\/span>'<\/span> ?<\/span> new<\/span> Date<\/span>()<\/span> :<\/span> dateFormat<\/span>.<\/span>parse<\/span>(<\/span>args<\/span>[<\/span>0<\/span>])<\/span><\/div>
	endDate<\/span> =<\/span> args<\/span>[<\/span>1<\/span>]<\/span> ==<\/span> '<\/span>today<\/span>'<\/span> ?<\/span> new<\/span> Date<\/span>()<\/span> :<\/span> dateFormat<\/span>.<\/span>parse<\/span>(<\/span>args<\/span>[<\/span>1<\/span>])<\/span><\/div>
	from<\/span> =<\/span> new<\/span> LocalDate<\/span>(<\/span>startDate<\/span>)<\/span><\/div>
	to<\/span> =<\/span> new<\/span> LocalDate<\/span>(<\/span>endDate<\/span>)<\/span><\/div>
}<\/span><\/div>
catch<\/span>(<\/span>Exception<\/span> e<\/span>)<\/span> {<\/span><\/div>
	usage<\/span>()<\/span><\/div>
}<\/span><\/div>
 <\/div>
Period<\/span> period<\/span> =<\/span> new<\/span> Period<\/span>(<\/span>from<\/span>,<\/span> to<\/span>)<\/span><\/div>
d<\/span> =<\/span> period<\/span>.<\/span>days<\/span><\/div>
w<\/span> =<\/span> period<\/span>.<\/span>weeks<\/span><\/div>
m<\/span> =<\/span> period<\/span>.<\/span>months<\/span><\/div>
y<\/span> =<\/span> period<\/span>.<\/span>years<\/span><\/div>
 <\/div>
output<\/span> =<\/span> '<\/span>The<\/span> duration<\/span> is<\/span> [<\/span> '<\/span><\/div>
if<\/span>(<\/span>y<\/span> ><\/span> 0<\/span>)<\/span> output<\/span> +=<\/span> "$y "<\/span> +<\/span> "year"<\/span> +<\/span> (<\/span>y<\/span> ><\/span> 1<\/span> ?<\/span> "s "<\/span> :<\/span> " "<\/span>)<\/span><\/div>
if<\/span>(<\/span>m<\/span> ><\/span> 0<\/span>)<\/span> output<\/span> +=<\/span> "$m "<\/span> +<\/span> "month"<\/span> +<\/span> (<\/span>m<\/span> ><\/span> 1<\/span> ?<\/span> "s "<\/span> :<\/span> " "<\/span>)<\/span><\/div>
if<\/span>(<\/span>w<\/span> ><\/span> 0<\/span>)<\/span> output<\/span> +=<\/span> "$w "<\/span> +<\/span> "week"<\/span> +<\/span> (<\/span>w<\/span> ><\/span> 1<\/span> ?<\/span> "s "<\/span> :<\/span> " "<\/span>)<\/span><\/div>
if<\/span>(<\/span>d<\/span> ><\/span> 0<\/span>)<\/span> output<\/span> +=<\/span> "$d "<\/span> +<\/span> "day"<\/span> +<\/span> (<\/span>d<\/span> ><\/span> 1<\/span> ?<\/span> "s "<\/span> :<\/span> " "<\/span>)<\/span><\/div>
if<\/span>(<\/span>output<\/span> ==<\/span> '<\/span>The<\/span> duration<\/span> is<\/span> [<\/span>'<\/span>)<\/span> {<\/span><\/div>
    output<\/span> +=<\/span> '<\/span>less<\/span> than<\/span> a<\/span> day<\/span>'<\/span><\/div>
}<\/span><\/div>
output<\/span> +=<\/span> ']'<\/span><\/div>
 <\/div>
println<\/span> output<\/span><\/div>
 <\/div>
def<\/span> usage<\/span>()<\/span> {<\/span><\/div>
    println<\/span>(<\/span>"usage: please provide semantically valid start date and end date in the format: [MMM-d-yyyy] or 'today' string."<\/span>)<\/span><\/div>
    System<\/span>.<\/span>exit<\/span>(<\/span>1<\/span>)<\/span><\/div>