perl script inside a shell script

[Anish]

This one is weird question,but if answer to this question is YES, then it will help me out a lot.my question is, Is it posiible to call perl script inside a shell script i.e. can I write both script in one file for e.g.

#!/bin/ksh
#some shell script code
...
....
#perl script begains here
#!/usr/bin/perl
#some perl script code
..
..
..
close(file)
exit 0;
#end of perl script
#continuation of original shell script
#this part of shell script will use output from above perl script
...
...
...
exit 0;
#end of shell script

or I have to write a perl script and shell script in different file and call perl script inside shell script by the flle name(That's what I do right now)