Match line but replace only part?

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Ecwfrk
Posts: 1
Joined: Fri May 26, 2006 8:12 am

Match line but replace only part?

Postby Ecwfrk » Fri May 26, 2006 9:23 am

I'm moving and cleaning up a website (about 40k pages) I took over maintence of that has several problems. Some people on a forum recommended I check out text pipe for some of the things I needed to do. So far many of the problems I have appear to be correctable with text pipe, but I don't see how to do one of the really major cleanup tasks I have.

The site has tons of internal page links that currently appear like:
../www.website.com/section/Reference/Entry/955/index.htm#e955
../www.website.com/section/Reference/Entry/968/index.htm#e968
../www.website.com/section/Reference/Entry/1425/index.htm#e1425
../www.website.com/Definition/a-c/655/index.htm#d655
../www.website.com/Definition/a-c/2265/index.htm#d2265

the ../www.website.com/ and index.htm part of the URLs is constant but the rest is variable and there's several thousand different variations of the code that falls between them. What I want to do is drop everything but the /####/index.htm#xxxx to make simple relative links. So the examples above would eventually become something (I can easily adjust the paths and such after the main URL cleanup is done) like:

../955/index.htm#e955
../968/index.htm#e968
../1425/index.htm#e1425
../655/index.htm#d655
../2265/index.htm#d2265

But I don't see a way for text pipe to do it. I can get it to match the full URLs easily enough with
../www.website.com/[ longest 1 to 40 letters or digits or <!"#$%&'()*+,-./\:;=?@[]^_`{}~|> ]/[ longest 1 to 4 digits ]/index.htm[ longest 1 to 5 digits or letters or <!"#$%&'()*+,-./\:;=?@[]^_`{}~|> ]
But I don't see any way to get it to remove the preceeding code and leave the part I want to keep nor anyway to match the offending text and just remove it without the part I want to keep.

Is it possible to to do this with Text Pipe?

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Postby DataMystic Support » Mon May 29, 2006 1:15 pm

You need to use the EasyPattern capture() function for the bits you want to keep, then use variables $1.. in the replacement expression:

../www.website.com/[ longest 1 to 40 letters or digits or <!"#$%&'()*+,-./\:;=?@[]^_`{}~|> ]/[ capture(longest 1 to 4 digits) ]/index.htm[ capture(longest 1 to 5 digits or letters or <!"#$%&'()*+,-./\:;=?@[]^_`{}~|>) ]

Replace with

$1\$2\
Regards,

Simon Carter, http://DataMystic.com/forums/index.php
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