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Top Forums UNIX for Dummies Questions & Answers Extracting column if above certain values and repeated over a number of times continuously Post 302455803 by newbeeuk on Wednesday 22nd of September 2010 12:21:26 PM
Old 09-22-2010
Extracting column if above certain values and repeated over a number of times continuously

Hi
I am new to the forum and would like to ask:
i have a file in form with thousands of column
Code:
id.1   A01   A01   A68   A68       
id.2   A5   A5   A3   A3       
1001   0   0   0.136   0.136       
1002   0   0   0.262   0.183       
1003   0   0   0.662   0.662       
1004   0   0   0.758   0.607       
1005   0   0   0.855   0.855       
1006   0   0   0.867   0.867       
1007   0   0   0.872   0.692       
1008   0   0   0.902   0.902       
1009   0   0   0.906   0.906

and thousnds rows.....
Code:
1317   0   0   0.3   1       
1318   0   0   0.3   0.618       
1319   0   0   0.3   1       
1320   0   0   0.3   1

Except for the header 2 rows, i would like to extract the part of the column (together with the header 2 row and first index column)
if
the value of the column is above say 0.35
and is continuous in the same column for say 50 rows

One step further is to see if it is possible to allow for a certain number of interruption, say 50 rows with at most 2 rows have value lower than set


Thanks for suggesting command to solve this

Last edited by vbe; 09-22-2010 at 01:56 PM.. Reason: use code tags, it will keep the format...
 

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DB2_FIELD_SCALE(3)							 1							DB2_FIELD_SCALE(3)

db2_field_scale - Returns the scale of the indicated column in a result set

SYNOPSIS
int db2_field_scale (resource $stmt, mixed $column) DESCRIPTION
Returns the scale of the indicated 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 containing the scale of the specified column. If the specified column does not exist in the result set, db2_field_scale(3) returns FALSE. SEE ALSO
db2_field_display_size(3), db2_field_name(3), db2_field_num(3), db2_field_precision(3), db2_field_type(3), db2_field_width(3). PHP Documentation Group DB2_FIELD_SCALE(3)
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