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Full Discussion: awk match and merge with 2 files
Top Forums Shell Programming and Scripting awk match and merge with 2 files Post 302871821 by Don Cragun on Thursday 7th of November 2013 03:27:25 AM
Old 11-07-2013
There is another inconsistency in the requested output:
Code:
field 1,field 2,field 3,field 4,field 5,field 6,field 7,field 8,field 9
1,first,yes,blah,1,a@b.com,m,12345,test 1,additional1
2,second,yes,this,1,b@c.com,n,22222,test 2,
3,third,no,that,1,a@example.com,n,44444,test 4,additional2
4,fourth,no,ok,1,b@example.com,f,57657,test 3

Note that a comma was added to the end of the line with 22222 in field 8, but no comma was added to the line with 57657 in field 8 (and neither of those values appear in field 1 in File 2).

If there is no match in File 2, should that input line be unchanged or should an empty field be added? And, should a new field have also been added to the header line in the output file?

Note that Yoda's script assumes that unmatched lines should not be changed and does not change the header line, while pravin27's script assumes an empty field should be added and adds a comma (but not a field name) to the header line.
Last edited by Don Cragun; 11-07-2013 at 04:32 AM.. Reason: Note differences between given scripts.
 

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LEARN ABOUT OPENSOLARIS

form_field_opts

form_field_opts(3CURSES)				     Curses Library Functions					  form_field_opts(3CURSES)

NAME

       form_field_opts, set_field_opts, field_opts_on, field_opts_off, field_opts - forms field option routines

SYNOPSIS

       cc [ flag... ] file... -lform  -lcurses	[ library... ]
       #include <form.h>

       int set_field_opts(FIELD *field, OPTIONS opts);

       int set_field_opts(FIELD *field, OPTIONS opts);

       int field_opts_on(FIELD *field, OPTIONS opts);

       int field_opts_off(FIELD *field, OPTIONS opts);

       OPTIONS field_opts(FIELD *field);

DESCRIPTION

       set_field_opts()  turns	on  the  named	options of field and turns off all remaining options. Options are boolean values that can be OR-ed
       together.

       field_opts_on() turns on the named options; no other options are changed.

       field_opts_off() turns off the named options; no other options are changed.

       field_opts() returns the options set for field.

       O_VISIBLE     The field is displayed.

       O_ACTIVE 	  The field is visited during processing.

       O_PUBLIC      The field contents are displayed as data is entered.

       O_EDIT		  The field can be edited.

       O_WRAP	     Words not fitting on a line are wrapped to the next line.

       O_BLANK	     The whole field is cleared if a character is entered   in the first position.

       O_AUTOSKIP    Skip to the next field when the current field becomes  full.

       O_NULLOK      A blank field is considered valid.

       O_STATIC      The field buffers are fixed in size.

       O_PASSOK      Validate field only if modified by user.

RETURN VALUES

       set_field_opts, field_opts_on and field_opts_off return one of the following:

       E_OK		 The function returned successfully.

       E_SYSTEM_ERROR	 System error.

       E_CURRENT	 The field is the current field.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       curses(3CURSES), forms(3CURSES), attributes(5)

NOTES

       The header <form.h> automatically includes the headers  <eti.h> and <curses.h>.

SunOS 5.11							    31 Dec 1996 					  form_field_opts(3CURSES)
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