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Full Discussion: fuzzy sequence match in a text file
Top Forums Shell Programming and Scripting fuzzy sequence match in a text file Post 302700011 by Chubler_XL on Wednesday 12th of September 2012 08:04:03 PM
Old 09-12-2012
Try this:

Code:
awk '
{ min=day
  max=skip?day+1:day+2
  if($1==mth && $2+0>=min && $2 <=max) {
    if($2+0>min)diff++
    skip=skip||$2+0==day+2
    day=$2+0
    out=start out"\n"$0
    start=""
    next
  }
  if(diff>2) printf "%s\n",out
  mth=$1
  start=$0
  day=$2+0
  diff=1; skip=0; out="" }
END {if(diff>2) printf "%s\n",out}' infile

Edit: rename variables for more clarity
Last edited by Chubler_XL; 09-12-2012 at 09:12 PM..
 

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LEARN ABOUT XFREE86

holidays

holidays(4)							   File Formats 						       holidays(4)

NAME

       holidays - prime/nonprime table for the accounting system

SYNOPSIS

       /etc/acct/holidays

DESCRIPTION

       The   /etc/acct/holidays file describes which hours are considered prime time and which days  are holidays.  Holidays and weekends are con-
       sidered non-prime time hours.  /etc/acct/holidays is used by the accounting system.

       All lines beginning with an "*" are comments.

       The  /etc/acct/holidays file consists of two sections.  The first non-comment line defines the current year and the start time of prime and
       non-prime time hours, in the form:

       current_year	 prime_start	  non_prime_start

       The remaining non-comment lines define the holidays in the  form:

       month/day     company_holiday

       Of these two fields, only the  month/day is actually used by  the accounting system programs.

       The  /etc/acct/holidays file must be updated each year.

EXAMPLES

       Example 1: Example of the /etc/acct/holidays file.

       The following is an example of the /etc/acct/holidays file:

       * Prime/Nonprime Table for the accounting system
       *
       * Curr	  Prime     Non-Prime
       * Year	  Start     Start
       *
	 1991	  0830	   1800
       *
       * only the first column (month/day) is significant.
       *
       * month/day    Company Holiday
       *
	 1/1	      New Years Day
	 5/30	      Memorial Day
	 7/4	      Indep. Day
	 9/5	      Labor Day
	 11/24	      Thanksgiving Day
	 11/25	      day after Thanksgiving
	 12/25	      Christmas
	 12/26	      day after Christmas

SEE ALSO

       acct(1M)

SunOS 5.10							    28 Mar 1991 						       holidays(4)
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