Reading part of a (varying) filename into SAS dataset field, seperated by "_"

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Reading part of a (varying) filename into SAS dataset field, seperated by "_"

Hello all,

I have a large number of files where part of the information i require is held within the filename rather than contents of that file.

Eg: X1234567_AAA1_21112012.txt. I require the part at the first part (X1234567) ending before the underscore, which is straight forward to obtain.

The problem lies in the varying length of info, some are 8 cahrs long, others are 10 chars and longer.

I need to extract this information up to the point of the first underscore is displayed. This applies to all of the files.

Was thinking of using the Scan option but can't work out how to incorporate ine info before the underscore.

Thanks in advance.

Steve



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‎11-21-2012 08:52 AM
Super Contributor
Posts: 644

Re: Reading part of a (varying) filename into SAS dataset field, seperated by "_"

Scan () is the function to use.  Scan(name, 1, '_') ; shou dgive the required info.  Third parameter specifies the delimiter.

Richard in Oz

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‎11-21-2012 08:52 AM
Super Contributor
Posts: 644

Re: Reading part of a (varying) filename into SAS dataset field, seperated by "_"

Scan () is the function to use.  Scan(name, 1, '_') ; shou dgive the required info.  Third parameter specifies the delimiter.

Richard in Oz

Occasional Contributor
Posts: 6

Re: Reading part of a (varying) filename into SAS dataset field, seperated by "_"

Thank you Richard, this works perfectly.

PROC Star
Posts: 7,356

Re: Reading part of a (varying) filename into SAS dataset field, seperated by "_"

Did Richard's response provide the answer you needed?  If not, post your code.

Occasional Contributor
Posts: 6

Re: Reading part of a (varying) filename into SAS dataset field, seperated by "_"

Yes it did Arthur. Thanks.

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