Index
[SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Y]
[Z]
s (step into subroutine)
debugger command
s/// (pattern substitution operator) 2nd
modifiers 2nd 3rd 4th
Sample Output from Moon (Listing 6.1) 2nd
Sams Teach Yourself Unix in 24 Hours
scalar variables
use in regular expressions
scalars
assignment
converting between arrays and
defined
editing
substr function
expressions
interchanging numbers and strings
literals
numeric
string
numbers
comparing
string searches
index function
rindex function
strings
comparing
type identifier
undef
variables
default values
special 2nd
scientific notation
scope
defined
functions 2nd
global variables
local variables
private variables
blocks
subroutines
variables
dynamically scoped
lexically scoped
scoping
variables 2nd 3rd 4th
Small Program Using Package and Lexical Variables (Listing 17.4) 2nd
Small Scoping Example (Listing 17.3) 2nd
scripts
searching
scalars
index function
rindex function
security
defensive programming
writing CGI programs 2nd 3rd 4th 5th 6th 7th 8th 9th
denial of service 2nd
encryption 2nd 3rd 4th
hacking forms 2nd
insecure (hackable) data 2nd 3rd 4th 5th
sed tool (Unix)
replacement by Perl
seek function
random access file pointers
semaphore files
code listing
servers
denial of service
CGI form security 2nd
HTTP
connection process 2nd 3rd
Web
Apache
debugging CGI programs 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
installing CGI programs 2nd 3rd 4th
running CGI programs 2nd
writing CGI programs 2nd 3rd 4th 5th 6th 7th
Setting Up the Document (Listing 20.4) 2nd 3rd 4th 5th 6th 7th
shift function
short-circuiting
logical operators
size
array 2nd
file test
slice
array
Small Program Using Package and Lexical Variables (Listing 17.4) 2nd
Small Scoping Example (Listing 17.3) 2nd
sort function
reordering arrays
sorting
hashes
spaceship operator (<=
special characters
CGI programs
escaping 2nd 3rd
splice function
split function
converting arrays to scalars
Spreadsheet++ParseExcel module
spreadsheet reading 2nd 3rd
Spreadsheet++WriteExcel module
CSV table conversion to spreadsheet 2nd 3rd 4th
spreadsheets
Common Separated Values (CSV) format 2nd
CSV (Common Separated Values)
converting to native Excel format 2nd 3rd 4th
listings
Convert CSV to a Native Excel Spreadsheet (20.6) 2nd 3rd
Reading an Excel Spreadsheet (20.7) 2nd 3rd
reading 2nd 3rd
writing 2nd
sprintf function
stacks
lists
push and pop
shift and unshift
standard deviation
stat function
identifying files 2nd 3rd 4th
permissions
printing 2nd
return values 2nd 3rd
time stamps 2nd
statement
statement blocks 2nd
bare
format of
naked
nested
statement separator
statements
exit 2nd
foreach
if
alphanumeric relational operators 2nd
expression testing 2nd
logical operators 2nd 3rd 4th 5th
numeric relational operators 2nd 3rd
syntax variations 2nd
true/false values 2nd 3rd 4th
if-else
expression testing
if-elsif-else
expression testing 2nd
last 2nd
with label
next
with label
our
The out Statement (Listing 17.5) 2nd
print 2nd
redo
static Web pages
retrieving 2nd 3rd 4th 5th
statistics
code listing
mean
median
output listing
standard deviation
Statistics Module (Listing 17.1) 2nd
Statistics Program with Function Name Export (Listing 17.6) 2nd 3rd 4th 5th
STDERR filehandle
STDIN filehandle
STDOUT filehandle
storage
anonymous
String++* module (CPAN)
strings
.. (range operator)
backslash
comparing
cmp
concatenation
by interpolation
using . operator
delimiters
double quotes
escape sequences 2nd
interchanging with numbers
interpolation
q operator
qq operator
quoting
qw operator
repetition
searching scalars
index function
rindex function
single quotes
structures
exercise
subroutines
arguments
arrays and hashes
calling
creating
debugging
stepping into
modules
forcing names on
forcing names on (Exporter) 2nd 3rd 4th 5th
grouping
namespaces 2nd
pure functions
recursive
termination condition
return values
scope
substitution
regular expressions 2nd
modifier 2nd 3rd 4th
substr function
editing scalars
surveys
writing multipage forms 2nd
listings 2nd 3rd 4th 5th 6th 7th 8th 9th 10th
switch statement
program flow control 2nd
Symbol module
syntax errors
troubleshooting
Sys::Hostname module
Sys::Syslog module
system function
capturing output
command interpreter
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