ruby -naF[,-] -e 'p (Time.new(*$F[0,3])-Time.new(*$F[3,3])).div 86400' <<< '2015-10-11,2015-07-11'
2015-12-3,2013-12-3
Standard output is empty
prog.rb:1: syntax error, unexpected ',', expecting ']' ruby -naF[,-] -e 'p (Time.new(*$F[0,3])-... ^ prog.rb:1: syntax error, unexpected '<' ...e.new(*$F[3,3])).div 86400' <<< '2015-10-11,2015-07-11' ... ^