Errata

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The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Corrected".

The following errata were submitted by our customers and approved as valid errors by the author or editor.

Color Key: Serious Technical Mistake Minor Technical Mistake Language or formatting error Typo Question



Version Location Description Submitted By Corrected
Printed Page xviii
last line: changed "ftp.ora.com" to "ftp.oreilly.com"

Anonymous  Sep 1997
Printed Page xxi
changed both instances of "ora.com" to "oreilly.com"

Anonymous  Sep 1997
Printed Page 29
In para 4, line 1, changed: spp to spp

line 2, changed: /home/spp to /home/spp:

 Anonymous  Jul 1999
Printed Page 37
The second and third entries of the second table were changed to

@days[3,4,5] Same as ($days[3], $days[4], $days[5])
@days[3..5] Same as ($days[3], $days[4], $days[5])

 Anonymous  Apr 1999
Printed Page 55

Line -2, above footnote: "older version of Perl" now reads:

be "older versions of Perl"

 Anonymous  Jul 1999
Printed Page 56

last paragraph reads:


"It you're trying to do variable interpolation..."

Should read:

"If you're trying to do variable interpolation..."

 Anonymous 
Printed Page 60
In para 2, line 1, changed:

Now that you've seen some of the things you'll be seeing,

to:

Now that you've seen some regular expressions,

 Anonymous  Jul 1999
Printed Page 69
Changed

/(?:(?!foo)...|^..?)bar/

to

/(?:(?!foo)...|^.{0,2})bar/

 Anonymous  Apr 1999
Printed Page 77
table row 1, column 2: "." changed to ".."

Anonymous  Aug 1998
Printed Page 77
In the table at the top of the page, row 1, column 2: ".." has been

changed to ".. ..."

 Anonymous  Jul 1999
Printed Page 84
In para 4, line 2, changed "However. If the thing following" to

"However, if the thing following"


 Anonymous  Jul 1999
Printed Page 89
line 5 changed to

if ( ("fred" & "1234") =~ /[^]/ ) { ... }

 Anonymous  Aug 1998
Printed Page 94
"Logical and, or, not, and xor": Please move this section to be closer to

the "Bitwise Operators" section. (When I was searching for a logical
equivalent to "^", I didn't even see this section, because the section after
"Bitwise Operators" lists And and Or.)


 Anonymous 
Printed Page 97
In para -1, line -1, changed: "Your authors would tend to prefer"

to "Your readers would tend to prefer"


 Anonymous  Jul 1999
Printed Page 112
In the paragraph following examples, changed

all return values are likewise returned

to

multiple return values are likewise returned

 Anonymous  Apr 1999
Printed Page 119
In para 2, all lines have space between a function name and its opening

parenthesis. (See Page 547, below.)

 Anonymous 
Printed Page 130
In para 2, line -3


immediately after setting $|, you may simply print "";
(The "" was in a different font from the rest of the book.)

 Anonymous  Jul 1999
Printed Page 131
Bullet 1, line 2: "the all" now reads "all the"

Anonymous  Jul 1999
Printed Page 144
list item 4, "Filehandles, files and directories": add

"select (output filehandle)" and "select (ready file descriptors)"

 Anonymous  Aug 1998
Printed Page 145-242
Perl Functions in Alphabetical Order

It's hard to search for the function you want. Please either list the function
in the Table of Contents, or change the heading to list the first or last
function on the page. I suggest the same thing for: pages 76- 94, Operators,
and pages 378-516, Library Modules.

 Anonymous 
Printed Page 148
In para. 6, line 1:

"Alternately" should be "Alternatively"

 Anonymous 
Printed Page 152
closedir : "See the examples under opendir." "opendir"

changed to "readdir".

 Anonymous  Aug 1998
Printed Page 153
The line

$pwd = (getpwuid $<)[1];

was changed to:

$pwd = (getpwuid($<))[1];

 Anonymous  Mar 1998
Printed Page 156
After "faster to use the undef command" added "on the whole hash"

Anonymous  Apr 1999
Printed Page 158
Paragraph 3, line 1: removed the extraneous comma after EXPR.

Anonymous  Mar 1998
Printed Page 168
In para 3, line -1, changed "example (which assumes we've

already calculated $cost and $quantity:" to "example (which
assumes we've already calculated $cost and $quantity):"


 Anonymous  Jul 1999
Printed Page 182
deleted the extra close paren in the first line of the third

code block:

foreach $key (sort { $hash{$b} <=> $hash{a} } keys %hash)) {

 Anonymous  Mar 1998
Printed Page 182
Changed

To sort an array by value

to:

To sort a hash by value

 Anonymous  Apr 1999
Printed Page 194
changed next-to-last code example from

$file =~ s#^s#./$&#;
open FOO, "< $file";

to

$file =~ s#^(s)#./$1#;
open (FOO, "< $file");

 Anonymous  Mar 1998
Printed Page 195
last line of text: changed "give" to "gives"

Anonymous  Mar 1998
Printed Page 200
Under printf, the lines

printf FILEHANDLE LIST
printf LIST

were changed to:

printf FILEHANDLE FORMAT LIST
printf FORMAT LIST

 Anonymous  Mar 1998
Printed Page 223
Changed

printf "%${width}.${precision}f
", $value;

to:

$output_arr[$precision] = sprintf "%${width}.${precision}f", $value;

 Anonymous  Apr 1999
Printed Page 230
code sample 2: line 9,

elsif ($rc > 0x80)

changed to

elsif (($rc & 0xff) == 0) {

code sample 2,last line,

$ok = ($rc != 0);

changed to

$ok = ($rc == 0);

 Anonymous  Aug 1998
Printed Page 231

The next-to-last line of the code sample used to read:

};

The semi-colon was removed. It now reads:

}

 Anonymous  Apr 1999
Printed Page 241
1st text para. under "waitpid", line 2: "or if the FLAGS"

Insert 0 between "or" and "if"

 Anonymous  Aug 1998
Printed Page 246
In para 2, line -2, changed


$coderef = &handler;

to

$code_ref = &handler;

(It looked like "deref", but it's a reference, not a dereference.)

 Anonymous  Jul 1999
Printed Page 254
first example, last line

${"${pkg}::$name"} = 5;

changed to

${"${$pkg}::$name"} = 5;

 Anonymous  Aug 1998
Printed Page 263
In the bottom paragraph, "Suppose $LoL is already an array of

references to arrays." changed to "Suppose @LoL is already an array
of references to arrays."

 Anonymous  Mar 1998
Printed Page 263
In para 2, line 1, changed "and therefore yields the a count"

to "and therefore yields a count"

 Anonymous  Jul 1999
Printed Page 289
para. 4, sentence 1 changed to

"An object is a data structure with a collection
of behaviors."

(Remove "that the data structure is capable of")

 Anonymous  Aug 1998
Printed Page 292
Line 3: "should generally treated" changed to "should generally

be treated".

 Anonymous  Mar 1998
Printed Page 299
last paragraph: "When the block is exited" changed to

"When a block is exited"

 Anonymous  Aug 1998
Printed Page 302
last paragraph: added a right parenthesis to the end

of the paragraph.

 Anonymous  Aug 1998
Printed Page 306
para. 2 line 2: put "BSD::Resource" in constant width font

Anonymous  Mar 1998
Printed Page 347
2nd text para.: "more that one" now reads "more than one"

Anonymous  Jul 1999
Printed Page 349
line 5 of code: added a space between "$remote," and

"$port"

 Anonymous  Aug 1998
Printed Page 350
code example at top of the page, the line

print Client "Hello there, $name, it's now ",

changed to

print CLIENT "Hello there, $name, it's now ",

(Just changed "Client" to "CLIENT")

 Anonymous  Aug 1998
Printed Page 393
lines -4 through -2: The untie and the undef statements were

reversed, as shown:

untie %db_hash;
undef $db_obj; # removing the last reference to the DB
# closes it. Closing DB_FH is implicit.

now reads:

undef $db_obj; # removing the last reference to the DB
# closes it. Closing DB_FH is implicit.
untie %db_hash

 Anonymous  Aug 1998
Printed Page 414
The example line

perl Makefile.PL ...

added an extra space and backslash at the end

 Anonymous  Aug 1998
Printed Page 440
Changed

use File::Path

To

use File::Path;

 Anonymous  Apr 1999
Printed Page 442
near end of code

$fh->setpos $pos;

changed to:

$fh->setpos($pos);

 Anonymous  Aug 1998
Printed Page 444
third last line

tie %hash, ...

changed to:

tie (%hash, ...

 Anonymous  Aug 1998
Printed Page 451
The line

$bar = 'blech'

changed to:

$opt_foo = 'blech'

 Anonymous  Aug 1998
Printed Page 460
second code block, lines 1 and 4

$h = -20.00732 * 1.7; # 34.012444 ....
...
$h = -20.00732 * $g; # "34.012444" ...

(Removed the hyphens: the numbers changed to "20.00732")

 Anonymous  Aug 1998
Printed Page 462
last example, last line

untie %h;

changed to:

untie %hash;

 Anonymous  Aug 1998
Printed Page 475
Para assert, line 1, changed "Similar to C macro assert(3)."

to "Similar to the C macro assert(3).


 Anonymous  Jul 1999
Printed Page 489
In paras -1-2, lines 2-3


Changed: names-pace
to: name-space

 Anonymous  Jul 1999
Printed Page 508
at the end of the list of "ok" and "not ok" lines, add another "not

ok" line

 Anonymous  Aug 1998
Printed Page 531
In para 3, line 1


Changed : Curlies are required on if and while blocks.
to: Braces are required on if and while blocks.


 Anonymous  Jul 1999
Printed Page 540
bullet item -2: "unpack 'u' and pack '%' formats" should be

"pack 'u' and unpack '%' formats"

 Anonymous  Dec 1998
Printed Page 547
In para 9, line 1


Changed: Do not put space between a function name and its opening
parenthesis.

to:

Do not put space between a function name instance and its opening
parenthesis.

 Anonymous  Jul 1999
Printed Page 602
under "command bufferring" the see also changed to "buffer" not

"buffering"

 Anonymous  Aug 1998
Printed Page 608
AV referred to in definition of HV changed to HV.

Anonymous  Mar 1998
Printed Page 622
index entry "$_($ARG)": "forearch" should read "foreach"

Anonymous  Aug 1998
Printed Page 623
index entry "- (hyphen), -. (arrow) operator" should also

refer to page 295

 Anonymous  Aug 1998
Printed Page 623
index entry "# (sharp), for comments": "57" changed to "58"

Anonymous  Aug 1998
Printed Page 624
index entry "arrow (->) operator" should also

refer to page 295

 Anonymous  Aug 1998
Printed Page 626
added page "183" to "capitalization, changing". Also added the

line "(see also capitalization)" under the entry for case
sensitivity. (Actually, Seth did the index changes, not me.)

 Anonymous  Sep 1997
Printed Page 627
added entry for "compiler for Perl, 369"

Anonymous  Mar 1998
Printed Page 627
index entry for "comments": "57" changed to "58"

wrong page

 Anonymous  Aug 1998
Printed Page 627
entry for d has been changed from "27" to "28"

Anonymous  Dec 1998
Printed Page 630
added entry for "flush, 70, 442"

Anonymous  Mar 1998
Printed Page 630
index entry "filehandles": remove subentry "copying, 438"

Anonymous  Aug 1998
Printed Page 634
added the entry "lowercase, converting to, 183".

Anonymous  Sep 1997
Printed Page 634
index entry "local functions": add reference to page 184

Anonymous  Aug 1998
Printed Page 637
index entry "paragraph mode": add reference to page 132

Anonymous  Aug 1998
Printed Page 640
In the "-s switch" entry, the reference to pages 517-527 was

removed.

 Anonymous  Mar 1998
Printed Page 640
entry for s has been changed from "27" to "28"

Anonymous  Dec 1998
Printed Page 643
the index should include the entry,

"tr/// (translation) operator, 74, 234"

 Anonymous  Aug 1998
Printed Page 645
entry for w has been changed from "27" to "28"

Anonymous  Dec 1998
Printed Page 648
(colophon) added the following at the end of the next-to-last

para.:

Whenever possible, our books use RepKover (tm), a durable and flexible
lay-flat binding. If the page count exceeds RepKover's limit, perfect
binding is used.

 Anonymous  Sep 1997