ignore previous post (it does not work right)
maybe this one,
array = [1,2,3,4,7,4]
=> [1, 2, 3, 4, 7, 4]
del=[1,3]
=> [1, 3]
del.each{|i| array[i]=nil}
=> [1, 3]
array.compact
=> [1, 3, 7, 4]
# -----Original Message-----
# From: Peña, Botp
# Sent: Thursday, November 08, 2007 1:00 PM
# To: 'ruby-talk@ruby-lang.org'
# Subject: RE: how to delete array
···
#
# On Behalf Of Surjit Nameirakpam
# # Array1 = [1,2,3,4,7,4]
# # indexes to be delted is collected in an array del=[1,3] ..i.e
# # i should
# # delete 2 and 4 values
# # i tried using
# # Array1.delete_at(del)
# # but this doesn't work
#
# loop thru your indexes to the array, ie,
#
# > array = [1,2,3,4,7,4]
# => [1, 2, 3, 4, 7, 4]
# > del=[1,3]
# => [1, 3]
# > del.each{|i| array.delete_at(i)}
# => [1, 3]
# > array
# => [1, 3, 4, 4]
#
# or you can then create your own fancy delete_at method
#
# > class Array
# > def delete_atx(d)
# > d.each{|i| self.delete_at(i)}
# > end
# > end
# => nil
# > array = [1,2,3,4,7,4]
# => [1, 2, 3, 4, 7, 4]
# > del=[1,3]
# => [1, 3]
# > array.delete_atx del
# => [1, 3]
# > array
# => [1, 3, 4, 4]
#
# kind regards -botp
#