cvs commit: perlfaq perlfaq4.pod

cvsuser     03/01/26 09:43:21

  Modified:    .        perlfaq4.pod
  Log:
  * added examples that use the * conversion in sprintf
  
  * fixed some literal < characters by turning them into E<lt>
  
  Revision  Changes    Path
  1.40      +10 -10    perlfaq/perlfaq4.pod
  
  Index: perlfaq4.pod
  ===================================================================
  RCS file: /cvs/public/perlfaq/perlfaq4.pod,v
  retrieving revision 1.39
  retrieving revision 1.40
  diff -u -w -r1.39 -r1.40
  --- perlfaq4.pod	3 Jan 2003 20:06:21 -0000	1.39
  +++ perlfaq4.pod	26 Jan 2003 17:43:21 -0000	1.40
  @@ -1,6 +1,6 @@
   =head1 NAME
   
  -perlfaq4 - Data Manipulation ($Revision: 1.39 $, $Date: 2003/01/03 20:06:21 $)
  +perlfaq4 - Data Manipulation ($Revision: 1.40 $, $Date: 2003/01/26 17:43:21 $)
   
   =head1 DESCRIPTION
   
  @@ -142,7 +142,7 @@
   
   =item How do I convert from decimal to hexadecimal
   
  -Using sprint:
  +Using sprintf:
   
       $hex = sprintf("%X", 3735928559);
   
  @@ -811,9 +811,6 @@
   
   =head2 How do I pad a string with blanks or pad a number with zeroes?
   
  -(This answer contributed by Uri Guttman, with kibitzing from
  -Bart Lateur.)
  -
   In the following examples, C<$pad_len> is the length to which you wish
   to pad the string, C<$text> or C<$num> contains the string to be padded,
   and C<$pad_char> contains the padding character. You can use a single
  @@ -829,12 +826,15 @@
   
       # Left padding a string with blanks (no truncation):
       $padded = sprintf("%${pad_len}s", $text);
  +	$padded = sprintf("%*s", $pad_len, $text);  # same thing
   
       # Right padding a string with blanks (no truncation):
       $padded = sprintf("%-${pad_len}s", $text);
  +	$padded = sprintf("%-*s", $pad_len, $text); # same thing
   
       # Left padding a number with 0 (no truncation):
       $padded = sprintf("%0${pad_len}d", $num);
  +	$padded = sprintf("%0*d", $pad_len, $num); # same thing
   
       # Right padding a string with blanks using pack (will truncate):
       $padded = pack("A$pad_len",$text);
  @@ -958,13 +958,13 @@
       print "@lines";		# WRONG - extra blanks
       print @lines;		# right
   
  -=head2 Why don't my <<HERE documents work?
  +=head2 Why don't my E<lt>E<lt>HERE documents work?
   
   Check for these three things:
   
   =over 4
   
  -=item There must be no space after the << part.
  +=item There must be no space after the E<lt>E<lt> part.
   
   =item There (probably) should be a semicolon at the end.