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Full Discussion: awk compound statements
Top Forums Shell Programming and Scripting awk compound statements Post 302079863 by gfhgfnhhn on Thursday 13th of July 2006 09:52:41 AM
Old 07-13-2006
Error awk compound statements

how can i use two or multiple statements in the if part
of an awk code

for example
i want to check two flag if they are true i will write some print
operations and increase the counter.
here is the c version of the code that i want to write:

counter=0;
if (flag1==1 && flag2==0) {
printf("true\n");
counter=counter+1;
flag1=0;
}
else
printf("false");


how can i do the same operation using awk?
 

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PPI::Statement::Compound(3)				User Contributed Perl Documentation			       PPI::Statement::Compound(3)

NAME
PPI::Statement::Compound - Describes all compound statements SYNOPSIS
# A compound if statement if ( foo ) { bar(); } else { baz(); } # A compound loop statement foreach ( @list ) { bar($_); } INHERITANCE
PPI::Statement::Compound isa PPI::Statement isa PPI::Node isa PPI::Element DESCRIPTION
"PPI::Statement::Compound" objects are used to describe all current forms of compound statements, as described in perlsyn. This covers blocks using "if", "unless", "for", "foreach", "while", and "continue". Please note this does not cover "simple" statements with trailing conditions. Please note also that "do" is also not part of a compound statement. # This is NOT a compound statement my $foo = 1 if $condition; # This is also not a compound statement do { ... } until $condition; METHODS
"PPI::Statement::Compound" has a number of methods in addition to the standard PPI::Statement, PPI::Node and PPI::Element methods. type The "type" method returns the syntactic type of the compound statement. There are four basic compound statement types. The 'if' type includes all variations of the if and unless statements, including any 'elsif' or 'else' parts of the compound statement. The 'while' type describes the standard while and until statements, but again does not describes simple statements with a trailing while. The 'for' type covers the C-style for loops, regardless of whether they were declared using 'for' or 'foreach'. The 'foreach' type covers loops that iterate over collections, regardless of whether they were declared using 'for' or 'foreach'. All of the compounds are a variation on one of these four. Returns the simple string 'if', 'for', 'foreach' or 'while', or "undef" if the type cannot be determined. TO DO
- Write unit tests for this package SUPPORT
See the support section in the main module. AUTHOR
Adam Kennedy <adamk@cpan.org> COPYRIGHT
Copyright 2001 - 2011 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.16.2 2011-02-25 PPI::Statement::Compound(3)
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