#!/usr/bin/perl
# Fig. 4.11: fig04_11.pl
# Demonstrating function splice.

# create two arrays and display their initial contents
@array = ( 0 .. 20 );
@array2 = ( A .. F );
print "\@array:  @array\n";
print "\@array2: @array2\n\n";

# replace part of @array with the elements from @array2
@replaced = splice( @array, 5, scalar( @array2 ), @array2 );
print "replaced:     @replaced\n",
      "with:         @array2\n",
      "resulting in: @array\n\n";

# remove 3 elements, beginning with element 15 of @array
@removed = splice( @array, 15, 3 );
print "removed:      @removed\n",
      "leaving:      @array\n\n";

# remove all elements from element 8 to the end of @array
@chopped = splice( @array, 8 );
print "removed:      @chopped\n",
      "leaving:      @array\n\n";

# delete all remaining elements
splice( @array );

unless ( @array ) {
   print "\@array has no elements remaining\n";
} 

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