Yeah, that worked but in reality, the from string will be supplied by the user and the to string will be computer generated so there's no predicting what they typed.
Ken MacKenzie Pramerica Systems Ireland Limited is a private company limited by shares incorporated and registered in the Republic of Ireland with registered number 319900 and registered office at 6th Floor, South Bank House, Barrow Street, Dublin 4, Ireland. From: Bill Godfrey <[email protected]> To: [email protected] Date: 06/02/2012 16:27 Subject: Re: Regular Expressions (OMVS) Sent by: IBM Mainframe Discussion List <[email protected]> On Mon, 6 Feb 2012 08:44:01 -0600, Ken MacKenzie <[email protected]> wrote: >Hi All, > >I'm not sure if this is the appropriate forum, please point me to the correct one if it's not. > >I'm playing around with regular expressions and I want to achieve the following. I spoke to a Unix geek but he didn't really understand what I was asking. > >Given the following sample data, I want discover only the first occurrence of any string which matches my regexp. >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ >QQQQABCDEFGNOPQRXXXPPPPABCDEFGNOPQRYYYOOOOABCDEFGNOPQRZZZ > >I tried: awk 'sub(/CD.*QR/,"junkt")' fxdata in an attempt to change QQQQABCDEFGNOPQRXXX to QQQQABjunktXXX but instead, it takes the final occurrence of QR, and returns QQQQABjunktZZZ. Notice the ZZZ on the end instead of XXX. > >This is being driven from a REXX exec in ISPF, if any of the above is not clear, I will try to explain further. > try this: awk 'sub(/CD[^Q]*QR/,"junkt")' or this: sed -e 's/CD[^Q]*QR/junkt/' Bill ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
