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Full Discussion: Assign zero to strings that don't appear in block, store result in AWK array
Top Forums Shell Programming and Scripting Assign zero to strings that don't appear in block, store result in AWK array Post 302567169 by Ophiuchus on Saturday 22nd of October 2011 07:31:37 PM
Old 10-22-2011
Assign zero to strings that don't appear in block, store result in AWK array
Hi to all,

I have this input:
Code:
<group>                    
<x "2">Group D</x>
<x "3">Group B</x>
<x "1">Group A</x>
</group>                    
<group>                    
<x "1">Group E</x>
<x "0">Group B</x>
<x "1">Group C</x>
</group>                    
<group>                    
<x "3">Group C</x>
<x "2">Group B</x>
<x "7">Group A</x>
</group>

And I would like this output stored in an AWK array.
Code:
2|Group D
3|Group B
1|Group A
0|Group C
0|Group E
1|Group E
0|Group B
1|Group C
0|Group A
0|Group B
3|Group C
2|Group B
7|Group A
0|Group E
0|Group D

the unique Groups are
Code:
Group A
Group B
Group C
Group D
Group E

As you can see, some Groups could be in all blocks, but sometime one or more Groups appear only in some blocks.

For those Groups that don't appear in a specific block I need to generate an output that assign them zero value for that block as
shown for the groups in red.

I am able to get the output in the format "number|Group X" with the script below, but I don't know how to
add the groups that don't appear in a specific block and assign them zero value.
Code:
awk '/<x "/{A[1 + c++]=gensub(/(.+")([0-9]+)(">)(.+)(<\/.+)/, "\\2|\\4", "g")}
     END{for (i=1;i<=length(A);i++) print A[i]}' groups

I really need it in awk because I need that array to include it in a main AWK code.

Many thanks for your help in advance.
 

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LEARN ABOUT OPENSOLARIS

groups

groups(1)							   User Commands							 groups(1)

NAME

       groups - print group membership of user

SYNOPSIS

       groups [user]...

DESCRIPTION

       The  command groups prints on standard output the groups to which you or the optionally specified user belong. Each user belongs to a group
       specified in  /etc/passwd and possibly to other groups as specified in  /etc/group. Note that  /etc/passwd specifies the numerical ID (gid)
       of the group. The groups command converts gid to the group name in the output.

EXAMPLES

       The output takes the following form:

	 example% groups tester01 tester02
	 tester01 : staff
	 tester02 : staff
	 example%

FILES

       /etc/passwd

       /etc/group

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       group(4), passwd(4), attributes(5)

SunOS 5.11							    14 Sep 1992 							 groups(1)
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