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Top Forums Shell Programming and Scripting Comparing multiple lines in same file Post 302970499 by seekryts15 on Thursday 7th of April 2016 09:16:35 AM
Old 04-07-2016
Wrench Comparing multiple lines in same file

Hello,
I would like to write a /bin/ksh script to manipulate a file and compare its contexts. Comparing lines 1 & 2, 3 & 4, 5 & 6, and so forth until the end of the file. This is what I would like the script to compare (using line 1 & 2 as an example):
1. Verify if the last column in line 1 is numeric. If condition is true move it (15.235.10.21) to the beginning of the line. So it would now display 15.235.10.21 Alabama
2. If line 1, column 1 is numeric and line 2, column 1 is numeric compare both numbers. If both numbers match move on to the next (lines 3 & 4).
3. If the numbers do not match display all lines not matching at the end.

Original file contexts:
HTML Code:
Alabama 15.235.10.21
15.235.10.21
Petersburg 15.25.18.21
15.25.18.21
Salem 15.235.18.20
15.235.18.20
Tampa 15.235.18.20
15.235.18.20
Washington 15.235.18.21
15.235.18.21
Nova 15.235.18.21
15.234.18.21
Nashville 15.235.18.21
15.235.18.21
Texas 15.235.18.21
15.235.18.21
Burbank 15.235.18.25
15.235.18.25
Carolina 15.235.18.22
15.235.18.22
Seattle 15.235.18.23
15.235.18.23
Wyoming 15.235.18.24
15.235.18.24
Vermont 18.66.20.17
18.66.2.17
New York 13.5.48.2
columbia
Florida 13.7.24.25
13.7.24.25
Chicago 13.17.12.5
uchicago
Nebraska
Tennessee 16.13.3.2
plank
Frisco 15.35.18.1
Japan
Canada
France 18.55.7.25
18.55.7.25
Example script output if numbers dont match:
HTML Code:
The following do not match:
15.235.18.21 Nova
15.234.18.21

18.66.20.17 Vermont
18.66.2.17
Please advise, thank you.
 

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NUMBER_FORMAT(3)							 1							  NUMBER_FORMAT(3)

number_format - Format a number with grouped thousands

SYNOPSIS
string number_format (float $number, [int $decimals]) DESCRIPTION
string number_format (float $number, int $decimals, string $dec_point = ".", string $thousands_sep = ",") This function accepts either one, two, or four parameters (not three): If only one parameter is given, $number will be formatted without decimals, but with a comma (",") between every group of thousands. If two parameters are given, $number will be formatted with $decimals decimals with a dot (".") in front, and a comma (",") between every group of thousands. If all four parameters are given, $number will be formatted with $decimals decimals, $dec_point instead of a dot (".") before the decimals and $thousands_sep instead of a comma (",") between every group of thousands. PARAMETERS
o $number - The number being formatted. o $decimals - Sets the number of decimal points. o $dec_point - Sets the separator for the decimal point. o $thousands_sep - Sets the thousands separator. RETURN VALUES
A formatted version of $number. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.4.0 | | | | | | | This function now supports multiple bytes in | | | $dec_point and $thousands_sep. Only the first | | | byte of each separator was used in older ver- | | | sions. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 number_format(3) Example For instance, French notation usually use two decimals, comma (',') as decimal separator, and space (' ') as thousand separator. This is achieved with this line : <?php $number = 1234.56; // english notation (default) $english_format_number = number_format($number); // 1,235 // French notation $nombre_format_francais = number_format($number, 2, ',', ' '); // 1 234,56 $number = 1234.5678; // english notation without thousands separator $english_format_number = number_format($number, 2, '.', ''); // 1234.57 ?> SEE ALSO
money_format(3), sprintf(3), printf(3), sscanf(3). PHP Documentation Group NUMBER_FORMAT(3)
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