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Full Discussion: Shell script to extract data in a file
Top Forums UNIX for Beginners Questions & Answers Shell script to extract data in a file Post 302991714 by Corona688 on Wednesday 15th of February 2017 03:19:32 PM
Old 02-15-2017
Code:
$ cat mline.awk

BEGIN {
        L=split("MSISDN IMSI NAM TS11 TS21 TS22 BAIC APNID1 APNID2 OBO OBI", C);
        for(X in C) COL[ C[X] ":"]= 1
}

function data() {
        S=P=""
        for(N=1; N<=L; N++) { S=S P D[C[N]":"]; delete D[C[N]":"]; P=OFS; }
        print S;
}

NR==1 {
        S=P=""
        for(N=1; N<=L; N++) { S=S P C[N]; P=OFS;        }
        print S;
}

$1 && $1 in COL { D[$1]=$2 ; next }

/^[ \t]*$/ { data() }
END { data() }


$ awk -f mline.awk mline.dat

MSISDN,IMSI,NAM,TS11,TS21,TS22,BAIC,APNID1,APNID2,OBO,OBI
242064493944,629100113334650,1,1,1,1,1,2,1,1,1
242068626345,629100114187228,0,1,1,1,1,2,1,,

$

 

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LEARN ABOUT REDHAT

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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