buffering-records.rex

Pipelines v2.1

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 **** Top of file ****
 1
 2 /* The following pipeline displays the contents of file: winston.txt, translated to uppercase, followed
 3 by the lowercase translation of the file. The BUFFER stage prevents the pipeline from stalling. */
 4
 5 Address Rxpipe
 6
 7 'pipe (endchar ?)',
 8 '< &installdrive:\&installpath\examples\input\winston.txt',
 9 '| strip trailing', /* Trim off whitespace. */
 10 '| a: locate', /* Route out null records. */
 11 '| d: faninany', /* Read from both pipelines. */
 12  '| b: fanout', /* Copy input to primary and secondary output streams. */
 13 '| xlate upper', /* Translate to uppercase. */
 14 '| c: fanin', /* Combine streams into single stream. */
 15 '| console', /* Display records on the console. */
 16 '?',
 17 'a:', /* Start of second pipeline. */
 18 '| specs x20 1',  /* Replace a null record with a space. */
 19 '| d:', /* Define secondary input for FANINANY. */
 20 '?',
 21 'b:', /* Define secondary output stream for FANOUT. */
 22  '| xlate lower', /* Translate to lowercase. */
 23 '| buffer',  /* Buffer to prevent pipeline from stalling. */
 24 '| literal',  /* Write a blank record. */
 25 '| c:', /* Define secondary input stream for FANIN. */
 26
 27 Say 'Hit Enter to close..'
 28 Parse Pull
 29
 30 Exit 0
 **** End of file ****