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Index: I

-i command option, for inplace editing : 17.5. Variable-Length ( Text) Databases
-i flag (ignore case)
7.4.2. Ignoring Case
7.5. Substitutions
if modifier : 9.5. Expression Modifiers
if statement : 4.2. The if/unless Statement
example of
1.5.9. Making It a Bit More Modular
1.5.17. The Final Programs
4.2. The if/unless Statement
5.4.1. The keys Function
introduced : 1.5.3. Adding Choices
not counting as looping block : 9.2. The next Statement
unless modifier
9.5. Expression Modifiers
10.3. A Slight Diversion: die
IGNORE value (%SIG) : 14.6. Sending and Receiving Signals
ignoring case
example of : 1.5.7. Handling Varying Input Formats
in substitution : 7.5. Substitutions
with i flag : 7.4.2. Ignoring Case
import tags : 19.5. Less Typing
indentation, in Perl programs : 1.4. Basic Concepts
index( ) operator : 15.1. Finding a Substring
third parameter of : 15.1. Finding a Substring
indirect filehandles : 12.2. Globbing
infinite loops : 9.3. The redo Statement
inplace editing : 17.5. Variable-Length ( Text) Databases
int( ) operator : 10.5. The -x File Tests
integers
2.2.1. All Numbers Use the Same Format Internally
2.2.3. Integer Literals
interpreted language, Perl as a : 1.4. Basic Concepts
interprocess communication, with signals : 14.6. Sending and Receiving Signals
invoking a format : 11.3. Invoking a Format
invoking a subroutine : 8.2. Invoking a User Function


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