[table of contents for nonframes version]

DUPLICATE

Description

The DUPLICATE command is used to merge answer sets retrieved from different bibliographic databases and to detect duplicates.

Options

Options available with DUPLICATE detection are:

Option	Creates an answer set with
REMOVE	Duplicate answers removed
IDENTIFY	Duplicate answers identified
ONLY	Only duplicates

Command Line	To use the DUPLICATE command, follow this sample format:
	=>	DUPLICATE	option	L-number(s)
		1	2	3

Example: => DUPLICATE REMOVE L2 L8

Command Guidelines

Use the guidelines below to enter command line information:

Field	Guidelines
1	Type: DUPLICATE
2	Type: REMOVE IDENTIFY ONLY
3	Type: the L-number(s) of More than one single file answer set A multifile answer set A combination of the above Note: The order that L-numbers are typed specifies the preference for keeping answers in the merged answer set. If there is a duplicate between the first and second answer set entered, the answer from the first answer set is kept.

Results

Results obtained with the DUPLICATE command are placed in a new L-number answer set. To display answers from a DUPLICATE answer set, use the DISPLAY command. By default, answers in a DUPLICATE answer set are organized in chronological order. Results may be arranged in file order.

STN Assistance

If you enter just the DUPLICATE command, STN prompts you for: The DUPLICATE option An answer set L-number(s) If you are unsure how to answer an STN prompt, enter a question mark (?) and STN provides more details. Type: HELP DUPLICATE for more information on the DUPLICATE command HELP DUFILES for a list of files in which the DUPLICATE command may be used HELP DISPLAY L# for more information on displaying answers in a DUPLICATE L-number