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Top Forums Shell Programming and Scripting Print specific entries in a file Post 302637183 by new_item on Tuesday 8th of May 2012 01:02:53 PM
Old 05-08-2012
Quote:
Originally Posted by Junes
How can i ensure i get 50%/50% ratio
Code:
[root@x60 test]# a=$[`wc -l text | cut -f1 -d' '`] ; b=$[$a/2] ; echo "Lines: $a ; 1/2: $b" ; echo -n "first part: " ; head -$b text | wc -l ; echo -n "second part: " ; tail -$[$a-$b] text | wc -l
Lines: 33783 ; 1/2: 16891
first part: 16891
second part: 16892

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NUMFMT_SET_TEXT_ATTRIBUTE(3)						 1					      NUMFMT_SET_TEXT_ATTRIBUTE(3)

NumberFormatter::setTextAttribute - Set a text attribute

	Object oriented style

SYNOPSIS
public bool NumberFormatter::setTextAttribute (int $attr, string $value) DESCRIPTION
Procedural style bool numfmt_set_text_attribute (NumberFormatter $fmt, int $attr, string $value) Set a text attribute associated with the formatter. An example of a text attribute is the suffix for positive numbers. If the formatter does not understand the attribute, U_UNSUPPORTED_ERROR error is produced. Rule-based formatters only understand NumberFormat- ter::DEFAULT_RULESET and NumberFormatter::PUBLIC_RULESETS. PARAMETERS
o $fmt -NumberFormatter object. o $attr - Attribute specifier - one of the text attribute constants. o $value - Text for the attribute value. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 numfmt_set_text_attribute(3) example <?php $fmt = numfmt_create( 'de_DE', NumberFormatter::DECIMAL ); echo "Prefix: ".numfmt_get_text_attribute($fmt, NumberFormatter::NEGATIVE_PREFIX)." "; echo numfmt_format($fmt, -1234567.891234567890000)." "; numfmt_set_text_attribute($fmt, NumberFormatter::NEGATIVE_PREFIX, "MINUS"); echo "Prefix: ".numfmt_get_text_attribute($fmt, NumberFormatter::NEGATIVE_PREFIX)." "; echo numfmt_format($fmt, -1234567.891234567890000)." "; ?> Example #2 OO example <?php $fmt = new NumberFormatter( 'de_DE', NumberFormatter::DECIMAL ); echo "Prefix: ".$fmt->getTextAttribute(NumberFormatter::NEGATIVE_PREFIX)." "; echo $fmt->format(-1234567.891234567890000)." "; $fmt->setTextAttribute(NumberFormatter::NEGATIVE_PREFIX, "MINUS"); echo "Prefix: ".$fmt->getTextAttribute(NumberFormatter::NEGATIVE_PREFIX)." "; echo $fmt->format(-1234567.891234567890000)." "; ?> The above example will output: Prefix: - -1.234.567,891 Prefix: MINUS MINUS1.234.567,891 SEE ALSO
numfmt_get_error_code(3), numfmt_get_text_attribute(3), numfmt_set_attribute(3). PHP Documentation Group NUMFMT_SET_TEXT_ATTRIBUTE(3)
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