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Top Forums Shell Programming and Scripting Find Where Values Change From Positive To Negative and viceversa Post 302506760 by Chubler_XL on Monday 21st of March 2011 10:25:01 PM
Old 03-21-2011
how about this:
Code:
$ nawk 'FNR>1&&$2*prev2<0{print prev1}$2{prev1=$1;prev2=$2}' myFile
3.66
9.84
10.78

or this:
Code:
$ awk 'FNR>1&&$2*prev2<0{print prev1}{prev1=$1;if($2)prev2=$2}' myFile
3.84
10.03
10.78


Last edited by Chubler_XL; 03-21-2011 at 11:36 PM..
 

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DB2_FIELD_DISPLAY_SIZE(3)						 1						 DB2_FIELD_DISPLAY_SIZE(3)

db2_field_display_size - Returns the maximum number of bytes required to display a column

SYNOPSIS
int db2_field_display_size (resource $stmt, mixed $column) DESCRIPTION
Returns the maximum number of bytes required to display a column in a result set. PARAMETERS
o $stmt - Specifies a statement resource containing a result set. o $column - Specifies the column in the result set. This can either be an integer representing the 0-indexed position of the column, or a string containing the name of the column. RETURN VALUES
Returns an integer value with the maximum number of bytes required to display the specified column. If the column does not exist in the result set, db2_field_display_size(3) returns FALSE. SEE ALSO
db2_field_name(3), db2_field_num(3), db2_field_precision(3), db2_field_scale(3), db2_field_type(3), db2_field_width(3). PHP Documentation Group DB2_FIELD_DISPLAY_SIZE(3)
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