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Top Forums Shell Programming and Scripting Increment and find closest value until the end of the file is reached. Post 302596965 by chihung on Wednesday 8th of February 2012 09:29:48 PM
Old 02-08-2012
Code:
#! /bin/sh

awk '
BEGIN {
	delta=0.2

	# process first line
	getline
	value=$2
	print
}
{
	if ( $2-value > delta ) {
		print 
		value=$2
	}
}' input

This User Gave Thanks to chihung For This Post:
 

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sact(1) 						      General Commands Manual							   sact(1)

NAME
sact - print current SCCS file editing activity SYNOPSIS
file ... DESCRIPTION
The command informs the user of any impending deltas to a named SCCS file. This situation occurs when has been previously executed without a subsequent execution of (see delta(1) and get(1)). If a directory is named on the command line, behaves as though each file in the directory were specified as a named file, except that non-SCCS files (last component of path name does not begin with and unreadable files are silently ignored. If a name of is given, the standard input is read with each line being taken as the name of an SCCS file to be pro- cessed. The output for each named file consists of five fields separated by spaces. Field 1 SID of a delta that currently exists in the SCCS file to which changes will be made to make the new delta. Field 2 SID for the new delta to be created. Field 3 Logname of the user making the delta (i.e., executed a for editing). Field 4 Date when was executed. Field 5 Time when was executed. DIAGNOSTICS
Use sccshelp(1) for explanations. SEE ALSO
delta(1), get(1), sccshelp(1), unget(1). STANDARDS CONFORMANCE
sact(1)
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