Re: Using AppleScript to Detect Nul Characters
Re: Using AppleScript to Detect Nul Characters
- Subject: Re: Using AppleScript to Detect Nul Characters
- From: Bernardo Hoehl <email@hidden>
- Date: Sat, 30 Apr 2005 14:01:56 -0300
Thanks Gnarlie, Jean-Baptiste and Kai,
I have come up with this simple script, using your tips:
(didn't know I could simply reffer to the Nul chars as ASCII character 0)
set thefile to (read (choose file))
set thelist to every character of thefile
repeat with i from 1 to the count of thelist
if text i of thelist is (ASCII character 0) then
beep
display dialog "Found an invalid character on position " & (i as text)
end if
end repeat
Thanks to you all for the help,
Bernardo
++++++++++++++++++++++++
On 30 Apr 2005, at 1:25 PM, kai wrote:
On Saturday, April 30, 2005, at 03:57 pm, Bernardo Hoehl wrote:
[snip]
As a novice high-level programmer, I did not know that every character is represented by a hex value, and that I had two "gremlins" in my Template text (used to send out the emails after text manipulation), I mean, I had two hex values = 00.
[snip]
As I move on forward with my learning, I am wondering if there is an "AppleScript way" I can use to detect these Gremlins, and so create a routine in my application to check the consistency of any text I use for sending out emails.
Do you mean something like this, Bernardo?
-----------------
to stripEveryCase of c from t
set d to text item delimiters
set text item delimiters to c
if (count t's text items) > 1 then
set t to t's text items
set text item delimiters to ""
set t to t as string
end if
set text item delimiters to d
t
end stripEveryCase
stripEveryCase of (ASCII character 0) from someText
-----------------
To test with a visible character:
-----------------
set someText to "Mary *had* a little lamb**"
stripEveryCase of "*" from someText
--> "Mary had a little lamb"
-----------------
If you just want to check for the presence of a particular character (but not remove it):
-----------------
(ASCII character 0) is in someText
--> true or false
-----------------
---
kai
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