removing-multiple-blocks-of-records.rex

Pipelines v2.1

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 **** Top of file ****
 1
 2 /* The following pipeline reads the file: startup.ini and removes all of the [TCPIP] sections.
 3 This pipeline construction can be used to remove any number of blocks of records that begin and
 4 end with a known label, ie) character or characters. In this example, each block of records that
 5 start with the expression '\[tcpip([0-9])*\]' and end with the record immediately before a record
 6 which starts with the character '[', are removed. */
 7
 8 Address Rxpipe
 9
 10 'pipe (endchar ? regex 3)',
 11 '< &installdrive:\&installpath\examples\input\startup.ini',
 12 '| change 1 /[/ /@[/',  /* Insert '@' in front of any '[' char. */
 13 '| split after str /@/', /* Split after '@' character. */
 14 '| a: between casei() reg /\[tcpip([0-9])*\]/ /@/', /* Discard records.. */
 15 '| hole', /* ..up to the next marker. */
 16 '?',
 17 'a:',
 18 '| nlocate 1 /@/', /* Discard any marked records. */
 19  '| cons'  /* Display records on the console. */
 20
 21 Say 'Hit Enter to close..'
 22 Parse Pull
 23
 24 Exit 0
 **** End of file ****
 

Console output

 
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 1 [FILES]
 2 Order=ba
 3 a=d:\file a1.txt
 4 b=d:\file b3.txt
 5
 6 [SPOOL]
 7 Header=2e
 8 State=0a
 9
 10 [FILES1]
 11 Order=ba
 12 a=d:\file a9.txt
 13 b=d:\file b2.txt
 14
 15 [SPOOL1]
 16 Header=2e
 17 State=0a
 18
 19 [FILES2]
 20 Order=ba
 21 a=d:\file a10.txt
 22 b=d:\file b0.txt
 23
 24 [SPOOL3]
 25 Header=2e
 26 State=0a
 27 Hit Enter to close..