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Learning AWK Programming by Shiwang Kalkhanda

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The int (expr) function

The int (expr) function returns the truncated numeric value by removing the digits to the right of the decimal point for the given argument that is the lowest integer of the given number that is returned. If a whole number is given as an argument, it is returned as such, whereas if a floating point number is given as an argument, it returns an integer value truncated towards zero. It does not round the argument value up or down. The following code block shows an example of an integer function:

$ vi intfunc.awkBEGIN    {    print "int(3.5678) = ", int(3.5678);    print "int(5.9876) = ", int(5.9876);    print "int(4)      = ", int(4);    print "int(-3.1234)= ", int(-3.1234);    print "int(-4)     = ", int(-4);
    }$ awk -f intfunc.awk

The output ...

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