Re: do shell script "perl... " to find/replace in a string
Re: do shell script "perl... " to find/replace in a string
- Subject: Re: do shell script "perl... " to find/replace in a string
- From: Joseph Weaks <email@hidden>
- Date: Thu, 18 Mar 2004 09:28:50 -0600
Chris,
Thank you, thank you, thank you thank you thank you.
When I try the AppleScript constant method, it works fine until the the
base letter goes beyond standard Latin letters. (I'm working with Greek
letters), which then produces unexpected results.
But the perl example using Perl's Unicode escapes is working perfectly
so far.
Did I say thank you?
Joe
On Mar 18, 2004, at 4:11 AM, Christopher Nebel wrote:
Something like that. Plus, you really can use Unicode constants in
AppleScript, but it's annoying:
set f to "aa"
set r to +data utxt00650301;
set s to "blah blaah blaah blah"
do shell script "echo " & quoted form of s & " | perl -pe 's/" & f &
"/" & r & "/g'"
--> "blah blih blih blah" (though the e-acutes probably won't survive
the list server...)
(This particular form also works with sed; just substitute "sed -e"
for the "perl -pe".) Alternatively, use Perl's Unicode escapes:
set f to "aa"
set r to "\\x{0065}\\x{0301}"
set s to "blah blaah blaah blah"
do shell script "echo " & quoted form of s & " | perl -pe 's/" & f &
"/" & r & "/g'"
--> "blah blih blih blah" (same thing)
...which also answers your question about replacing with a combining
character sequence. The search string is case-sensitive by default;
use Perl and add an "i" at the end, right after (or right before) the
"g". (sed can't do this.) Bear in mind that AppleScript can't
display some Unicode strings correctly, so don't freak out if it
doesn't look right in the result window. Write the data out to a file
or some such; it's correct.
--Chris Nebel
AppleScript Engineering
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