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Full Discussion: Extract data from a file
Top Forums Shell Programming and Scripting Extract data from a file Post 302897698 by Yoda on Tuesday 15th of April 2014 01:06:43 PM
Old 04-15-2014
An awk approach:
Code:
awk '
        BEGIN {
                c = 1
        }
        {
                A[NR] = $1
        }
        END {
                for ( i = 1; i < NR; i++ )
                {
                        d = A[i+1] - A[i]

                        F = FILENAME
                        sub ( /\.txt/, "_" c ".txt", F )

                        if ( d == 1 )
                        {
                                printf "%d\n", A[i] > F
                                f = 1
                        }

                        if ( f && d != 1 )
                        {
                                printf "%d\n", A[i] > F
                                f = 0
                                c += 1
                        }
                }
        }
' aa.txt

This User Gave Thanks to Yoda For This Post:
rahmanabdulla
 

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LEARN ABOUT LINUX

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)
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