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padding numbers and strings 188
pairs of elements. See hashes
parentheses
and character classes 151
and functions 26
and quantifiers, in search patterns 151
and subroutines 119
to assign elements of array to one or
more variables 85
using what was matched in search
patterns 158
parsing forms 60, 66, 117, 223-230
and environment variables 60
definition 66
script 66, 223-230
creating a subroutine for 223
password boxes 48
paths
absolute vs. relative 244
adjusting in borrowed scripts 221
and directories 243
and opening files 191
and security 237
for cookies 172
in Unix 243
simplifying 181
vs. URLs 245
PCs. See Windows
Peachpit’s Web site, for this book 22
Perl
and HTML 17
building blocks 23-28
data 23-25
FAQs 257
getting 18
history 15
home page 257
interpreters 18
location of 32
newsgroups 257
numbering lines 20
online documentation 258
other books 258
presentation in book 20
suitability for Web applications 15
version 18
writing 23
See also scripts
permissions 39, 205, 231-234
and creating files 191
and external subroutines 124
and new directories 204
changing 39
from within a script 205
deciding on code 234
default 233
recommended 39
security 237
types of 231
viewing 231
Phillips, Paul, and security FAQs 235
pico (text editor) 23, 254
creating scripts with 31
piping output 207
placeholders 24
platforms
and this book 21
determining visitor-s 62
pop function 94
POST method 46, 224
and environment variables 61
getting name-value pairs 227
vs. GET method 60
powers, exponential 77
PRE tag, and here documents 180
precedence, of operators 76
print function 34
and debugging 216
and quotation marks 28
writing to external files 193
See also printing, printf function, and
sprintf function
printf function 186, 187, 188
printing 177-188
and quotation marks 34
arrays as HTML list 185
hashes 184
HTML code 180
HTML documents 178
HTML headers and footers 117, 120
several lines at a time 180
problems, fixing 211-216
program, definition of 14
Programming Perl 258
prompt, Unix 242
push function 91
pwd, Unix command 247

©Copyright 2000 by Elizabeth Castro. All rights reserved.
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This index is from my book, Perl and CGI for the World Wide Web: Visual QuickStart Guide, published by Peachpit Press.