collate-machine-snapshots.rex

Pipelines v2.1

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 **** Top of file ****
 1
 2 /* The following pipeline collates the files generated by the pipelines:
 3 Machine snapshot1.rex and Machine snapshot2.rex. The pipeline collates the
 4 two files to determine if any files have been changed or deleted and which
 5 files are new.
 6
 7 The pipeline illustrates the use of the Collate stage. */
 8
 9 Address Rxpipe
 10
 11 'pipe (endchar ?)',
 12 /* Read master input file. */,
 13 '< &sysdrive:\Documents and Settings\&username\My Documents\snapshot1.txt',
 14 '| sort', /* COLLATE expects a sorted input. */
 15 '| c: collate', /* Find matches. */
 16 '| hole', /* Discard matching records. */
 17 '?',
 18 /* Read detail input file. */,
 19 '< &sysdrive:\Documents and Settings\&username\My Documents\snapshot2.txt',
 20 '| sort',  /* COLLATE expects a sorted input. */
 21 '| c:', /* Define secondary streams for COLLATE. */
 22 /* Write missing files. */,
 23 '| > &sysdrive:\Documents and Settings\&username\My Documents\missingfiles.txt',
 24 '?',
 25 'c:', /* Define tertiary output for COLLATE. */
 26 /* Write new files. */,
 27 '| > &sysdrive:\Documents and settings\&username\My Documents\newfiles.txt',
 28 '?',
 29 'literal /Wait! Collating.../', /* Console info message. */
 30 '| cons' /* Write it to the console. */
 31
 32 Say 'Hit Enter to close..'
 33 Parse Pull
 34
 35 Exit 0
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