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hashes 127-135
and single quotation marks 128
checking if key exists 135
converting arrays into 71
description 25, 127
getting
all keys 131
all values 130
each key and value 132
several values with keys 129
value with key 128
inputting 71
order 71
printing as HTML table 184
removing key-value pairs 134
header and footer subroutines (HTML) 182
help, getting 20, 22
online documentation 258
with Unix 252
here documents 180
hexadecimal codes, including in string 24
hidden fields
adding to HTML form 163
description 162
processing 165
storing collected data in 164
transitory nature 165
home directory 243
HREF attribute, in A tag (HTML) 56
HTML
and backslashes 178
and newlines 178
and Perl 17
and quotation marks 163
CGI.pm module 179
editors 254
formatting output 178
forms 43-58
header and footer subroutines 182
hidden fields 163
labels, and NAME attribute 45
learning more 17, 53
presentation in book 20
printing 177-188
arrays 185
hash as table 184
headers and footers 117, 120
tags, and compatibility 62
HTTP Cookie Library 169
HTTP_COOKIE, environment variable 174
HTTP_REFERER, environment variable 63, 236
and security 63
HTTP_USER_AGENT, environment variable 62

©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.