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Full Discussion: Compare float value with single decimal
Top Forums Shell Programming and Scripting Compare float value with single decimal Post 302503523 by alvin0618 on Thursday 10th of March 2011 09:03:46 PM
Old 03-10-2011
Compare float value with single decimal
Code:
#!/bin/bash
filter_file=/export/home/alvin/test.txt
range1_count=0
range2_count=0
categorized(){
	value=$1
	if [$value -ge 5.1 && $value -le 10.0] # range 5.1 to 10.0
	then
		range1_count=`expr $range1+ 1`
	elif [$value -ge 10.1 && $value -le 15.0] # range 5.1 to 15.00
	then
		range2_count=`expr $range2+ 1`
	fi
}

#read txt file which contain lines of float with single decimal
loop_function(){
	while read line
	do
		categorized $line
	done < $filter_file
}

loop function

I got an issue about comparing two floating point with single decimal, by right -le and -ge is for integer value. So, what should i do?
 

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LEARN ABOUT HPUX

isgreaterequal

isgreaterequal(3M)														isgreaterequal(3M)

NAME

       isgreaterequal() - floating-point quiet comparison macro (>=)

SYNOPSIS

       floating-expr floating-expr

DESCRIPTION

       The  macro determines whether its first argument is greater than or equal to its second argument.  The value of is always equal to however,
       unlike does not raise the invalid exception when x and y are unordered.

       The arguments must be of floating type.	For HP Integrity servers, the arguments can be any floating type.  For PA-RISC, each argument must
       be either or

USAGE

       To use the macro, compile either with the default option or with the and options.  Make sure your program includes Link in the math library
       by specifying on the compiler or linker command line.

RETURN VALUE

       The macro returns the value of The macro raises no floating-point exceptions.

ERRORS

       No errors are defined.

SEE ALSO

       isgreater(3M), isless(3M), islessequal(3M), islessgreater(3M), isunordered(3M), math(5).

STANDARDS CONFORMANCE

																isgreaterequal(3M)
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