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# 1  
Old 07-17-2012
shell programming and scripting

hi,
i am trying this while loop and i only want that it should only read food as pizza....no other entry should be taken here.

Code:
#!/usr/bin/perl -w

$food = " ";

while ( $food ne 'pizza' )
{
  print 'enter what you had last night: ';
  chomp ($food = <STDIN>);
  #print $food ; 
}

print "Mmm....it was yummy \n";

this is what the result i get after running this particular script, that the loop does not end and tht i have to terminate the session.
Code:
enter what you had last night: mango 
enter what you had last night: pizza 
enter what you had last night: tomato 
enter what you had last night: potato  
enter what you had last night:

this loop dpes not end as the way it should have ended.

thanks
kullu

Last edited by Scott; 07-17-2012 at 04:48 AM.. Reason: Use code tags, please.
# 2  
Old 07-17-2012
Oh yes it does.....

Are you sure you are testing the same script that you are editing?
# 3  
Old 07-17-2012
perl

Hi,

I think you are giving the input with some spaces.
There is nothing wrong with this script.
Just trace your program with print statement.
Code:
print "<$food>";

Cheers,
RangaSmilie
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