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Full Discussion: Duplicate check by passing external parameter
Top Forums Shell Programming and Scripting Duplicate check by passing external parameter Post 302988811 by ginrkf on Tuesday 3rd of January 2017 07:05:04 AM
Old 01-03-2017
Ok You can leave ignore my previous post.So let me put my requirement here.

I have a pipe delimited file. I am trying to create a UNIX script which can be used across different files to print the duplicates line from the file.

For ex. I have two files A.txt and B.txt

A.txt
Code:
123|345|asd
122|ASD|DEF
123|ASW|231

For this file A.txt I need to print duplicate records based on first column.So my expected out put is

Code:
123|345|asd
123|ASW|231

B.txt
Code:
34|aw|asd
33|aq|qw
54|aq|qw

For this file B.txt I need to print duplicate records based on 2nd and 3rd column.My expected output is

Code:
33|aq|qw
54|aq|qw

So I need to write one script, where I can pass the column positions based on which the duplicate need to be checked can be passed as external parameter.

For the first file, sh test_script.sh 1
For the second file , sh test_script.sh "2,3" something like this
 

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LEARN ABOUT PHP

db2_field_scale

DB2_FIELD_SCALE(3)							 1							DB2_FIELD_SCALE(3)

db2_field_scale - Returns the scale of the indicated column in a result set

SYNOPSIS

       int db2_field_scale (resource  $stmt, mixed  $column)

DESCRIPTION

	Returns the scale of the indicated column in a result set.

PARAMETERS

	      o $stmt
		- Specifies a statement resource containing a result set.

	      o $column
		-  Specifies  the  column in the result set. This can either be an integer representing the 0-indexed position of the column, or a
		string containing the name of the column.

RETURN VALUES

	Returns an integer containing the  scale  of  the  specified  column.  If  the	specified  column  does  not  exist  in  the  result  set,
       db2_field_scale(3) returns FALSE.

SEE ALSO

       db2_field_display_size(3), db2_field_name(3), db2_field_num(3), db2_field_precision(3), db2_field_type(3), db2_field_width(3).

PHP Documentation Group 													DB2_FIELD_SCALE(3)
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