To add the 0, you can use sprintf();
$scalar = "9:59";
@temp = split /:/,$scalar;
$temp[0] = sprintf(%02d,$temp[0]);

# $temp[0] now equals "09"
# $temp[1] now equal "59"

Now you haven't really described the  nature of the data all that well, but
you can probably figure it out from here.

-----Original Message-----
From: r
To: [EMAIL PROTECTED]
Sent: 3/24/02 12:34 PM
Subject: how add 0 in column2 if col3 = :  then join 4 fields to reassemble

Need help on  substitute and  Join.

I am breaking incoming mostly fixed layout records into pieces such that
I can re JOIN them after inspecting the first 3 characters independently
and changing the column 2 to make it be  columns 2 and 3, with a leading
0.

Problem is to  0(zero) fill the dates which come in as  9:59 10:00
10:01etc 9:59 needs to be  09:59, for consistent date length.

The goal is to reassemble (join?) the resultant record and then "unpack"
it which I have working, except for this shift to left when date does
not have 4 digits.  Remember  1:30pm also has to be fixed. 
I am not concerned with am pm , etc,  These are day time work hours. 

I have tried a   substitute  of column 2  such as    s/9/09/  if col3 is
: .
Didn't work., dont know how.
Now trying ... 

($test1, $test2, $test3) = (unpack"AAA",$array)[0,1,2];
 print "$test1  $test2  $test3  test123 before \n" ;
#this worked fine
 if ($test3 eq ":" ) { ($$test2 = 0test2) ; }
#this part did not work

Doesnt work either.    Ideas?
Then when that field is fixed,  I will also have a   $rest81  for the
84 char record remainder to  
then Join back to the first 3 fields.
Then , as said, I will do the actual unpack which I have working.

Thanks for any help !
R




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