Re: String to List?

2009-03-20 Thread Christophe Maso

You've gotta love this bit of code:

REreplace(arguments.strInputString,(.)(.),\1#arguments.strDelimiter#\2#ar
guments.strDelimiter#,ALL)

lol

Oh come on, that's funny! :OD

Yeah, I know. :)  I haven't added regex to my knowledge repertoire yet, so I 
just modified the code snippet offered in the third post 
(#REreplace(list,(.)(.),\1,\2,,ALL)#).  Mine's not as pretty as it could 
be, but is a vast improvement from my original function. I created a string 
360k chars long for testing - this function processed it 9 times faster than my 
old function (which loops through every char in the string). 

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Re: String to List?

2009-03-20 Thread Dominic Watson

I'd be interested to know how the code I suggested performs in
comparison to the regex with the 360k string - in theory it outperform
it:

cfset myList = ArrayToList( myString.toCharArray() ) /

Regex seems a little ott in this situation.

 I created a string 360k chars long for testing - this function processed it 9 
 times faster than my old function (which loops through every char in the 
 string).

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RE: String to List?

2009-03-20 Thread Dawson, Michael

Are you referring to the ASCII breasts?

Thanks,
Mike

-Original Message-
From: Adrian Lynch [mailto:cont...@adrianlynch.co.uk] 
Sent: Thursday, March 19, 2009 6:20 PM
To: cf-talk
Subject: RE: String to List?


You've gotta love this bit of code:

REreplace(arguments.strInputString,(.)(.),\1#arguments.strDelimiter#\
2#ar
guments.strDelimiter#,ALL)

lol

Oh come on, that's funny! :OD

Adrian

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RE: String to List?

2009-03-20 Thread Adrian Lynch

Ermm, no, I thought they looked like eyes! :OD

 -Original Message-
 From: Dawson, Michael [mailto:m...@evansville.edu]
 Sent: 20 March 2009 13:31
 To: cf-talk
 Subject: RE: String to List?
 
 
 Are you referring to the ASCII breasts?
 
 Thanks,
 Mike
 
 -Original Message-
 From: Adrian Lynch [mailto:cont...@adrianlynch.co.uk]
 Sent: Thursday, March 19, 2009 6:20 PM
 To: cf-talk
 Subject: RE: String to List?
 
 
 You've gotta love this bit of code:
 
 REreplace(arguments.strInputString,(.)(.),\1#arguments.strDelimiter#
 \
 2#ar
 guments.strDelimiter#,ALL)
 
 lol
 
 Oh come on, that's funny! :OD
 
 Adrian
 
 

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Re: String to List?

2009-03-20 Thread Christophe Maso

 I'd be interested to know how the code I suggested performs in
 comparison to the regex with the 360k string - in theory it 
 outperform
 it:
 
 cfset myList = ArrayToList( myString.toCharArray() ) /

Running on CF8, I used cftimer to test execution time on a string 360K long 
(all alphanumerics, just alphabet appended with 1 to 0 and concatenated 10,000 
times).  No cfdump or output; just a cfset statement.

My original function - over 60 seconds, times out.  this.s**tCan().
ArrayToList( myString.toCharArray() ) - 188 ms
StringToDelimListRE() (the one with the ASCII breasts (Hah, I missed that)) - 
172 ms
listFromChars() - 125 ms

I'm not 100% positive on which ones will/will not accept non-alphanumerics in 
the string; didn't test for that in all cases.  Anyone else care to time these 
out?  In any ase, there's something to be said for using only 1 line of code - 
well worth the price of a few millseconds in my book, so long as I don't have 
to run this process on War  Peace... 

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Re: String to List?

2009-03-20 Thread Christophe Maso

I just noticed that listFromChars() is essentially 1 line of code, also.  My 
bad...

Bottom line for me is to learn regex and more Java! 

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Re: String to List?

2009-03-20 Thread Dominic Watson

Interesting stuff - vodoo regex wonders :)

Dominic


 Running on CF8, I used cftimer to test execution time on a string 360K long 
 (all alphanumerics, just alphabet appended with 1 to 0 and concatenated 
 10,000 times).  No cfdump or output; just a cfset statement.

 My original function - over 60 seconds, times out.  this.s**tCan().
 ArrayToList( myString.toCharArray() ) - 188 ms
 StringToDelimListRE() (the one with the ASCII breasts (Hah, I missed that)) - 
 172 ms
 listFromChars() - 125 ms

 I'm not 100% positive on which ones will/will not accept non-alphanumerics in 
 the string; didn't test for that in all cases.  Anyone else care to time 
 these out?  In any ase, there's something to be said for using only 1 line of 
 code - well worth the price of a few millseconds in my book, so long as I 
 don't have to run this process on War  Peace...

 

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String to List?

2009-03-19 Thread Christophe Maso

Disclaimer - I haven't had to do any fancy string manipulation in a while...

I had thought that ANY string can be treated like a list (for example, such 
that abcdef can be treated as a list containing six elements and a delimiter 
of ).  Not so, I recently discovered when I tried to use 
listChangeDelims(abcdef, ,, ).  I wanted to input abcdef and get 
a,b,c,d,e,f returned, but CF doesn't recognize an empty value as a valid 
delimiter for any of its list functions...and it doesn't accept an empty value 
as the second argument in replace(), either.

So I wrote a function that'll do what I want, taking a string and the desired 
delimiter as arguments, then looping through each character in the string and 
inserting the delimiter after it (except for the last character in the string). 
 But as one might imagine, it's SLOW for very long strings.  String and list 
manipulation is kid stuff, or so I'd thought...surely there's a faster, simpler 
means? 

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Re: String to List?

2009-03-19 Thread Charlie Griefer

Nope.  any character can be a delimiter.  you can consider the 'c' in
'abcdef' a delimiter between 'ab', and 'def'.  But yeah, there has to be a
delimiter.
I don't think there's a way to do it other than what you've come up with...
looping over the string and inserting the desired delimiter.

Of course, this is usually where somebody proves me wrong and posts
something really cool :)

On Thu, Mar 19, 2009 at 2:30 PM, Christophe Maso zum...@hotmail.com wrote:


 Disclaimer - I haven't had to do any fancy string manipulation in a
 while...

 I had thought that ANY string can be treated like a list (for example, such
 that abcdef can be treated as a list containing six elements and a
 delimiter of ).  Not so, I recently discovered when I tried to use
 listChangeDelims(abcdef, ,, ).  I wanted to input abcdef and get
 a,b,c,d,e,f returned, but CF doesn't recognize an empty value as a valid
 delimiter for any of its list functions...and it doesn't accept an empty
 value as the second argument in replace(), either.

 So I wrote a function that'll do what I want, taking a string and the
 desired delimiter as arguments, then looping through each character in the
 string and inserting the delimiter after it (except for the last character
 in the string).  But as one might imagine, it's SLOW for very long strings.
  String and list manipulation is kid stuff, or so I'd thought...surely
 there's a faster, simpler means?

 

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Re: String to List?

2009-03-19 Thread Yuliang Ruan

#REreplace(list,(.)(.),\1,\2,,ALL)#

heh...not technically list manipulation


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RE: String to List?

2009-03-19 Thread Adrian Lynch

Dip into Java first maybe then back to CF?

cfset str = abcdefg
cfset arr = str.split()

cfdump var=#arr#

!--- cfset ArrayDeleteAt(arr, 1) ---

cfset str = ArrayToList(arr, ,)

cfdump var=#str#

Note the the first element in the array is an empty string. I thought
ArrayDeleteAt() would take care of that but it throws an error.

I'd be interested to see if you find nice one or two line answer to this.

Adrian

 -Original Message-
 From: Christophe Maso [mailto:zum...@hotmail.com]
 Sent: 19 March 2009 21:31
 To: cf-talk
 Subject: String to List?
 
 
 Disclaimer - I haven't had to do any fancy string manipulation in a
 while...
 
 I had thought that ANY string can be treated like a list (for example,
 such that abcdef can be treated as a list containing six elements and
 a delimiter of ).  Not so, I recently discovered when I tried to use
 listChangeDelims(abcdef, ,, ).  I wanted to input abcdef and
 get a,b,c,d,e,f returned, but CF doesn't recognize an empty value as
 a valid delimiter for any of its list functions...and it doesn't accept
 an empty value as the second argument in replace(), either.
 
 So I wrote a function that'll do what I want, taking a string and the
 desired delimiter as arguments, then looping through each character in
 the string and inserting the delimiter after it (except for the last
 character in the string).  But as one might imagine, it's SLOW for very
 long strings.  String and list manipulation is kid stuff, or so I'd
 thought...surely there's a faster, simpler means?



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Re: String to List?

2009-03-19 Thread Peter Boughton

Of course, this is usually where somebody proves me wrong and posts
something really cool

My pleasure... ;)

cffunction name=ListFromChars returntype=String output=false
cfargument name=Text  type=String/
cfargument name=Delimiter type=String default=,/
cfreturn Arguments.Text.replaceAll( '\B' , Arguments.Delimiter ) /
/cffunction

cfdump var=#ListFromChars('abcdef')# /


Can also use CF rereplace:
cfreturn rereplace(Arguments.Text , '\B' , Arguments.Delimiter , 'all' 
) /


These will work fine if the string is only alphanumerics - will need a bigger 
expression if the string might contain other stuff.

Like this:

cfreturn Arguments.Text.replaceAll( '\B|(?!^)\b(?!$)' , Arguments.Delimiter ) 
/

(that one doesn't have a CF equivalent, since CF regex can't do lookbehind) 

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Re: String to List?

2009-03-19 Thread Charlie Griefer

Had to look up what the \B represented.
\B matches at any position between two word characters as well as at any
position between two non-word characters.

holy crap that is really cool :)
On Thu, Mar 19, 2009 at 3:11 PM, Peter Boughton bought...@gmail.com wrote:


 Of course, this is usually where somebody proves me wrong and posts
 something really cool

 My pleasure... ;)

 cffunction name=ListFromChars returntype=String output=false
cfargument name=Text  type=String/
cfargument name=Delimiter type=String default=,/
cfreturn Arguments.Text.replaceAll( '\B' , Arguments.Delimiter ) /
 /cffunction

 cfdump var=#ListFromChars('abcdef')# /


 Can also use CF rereplace:
cfreturn rereplace(Arguments.Text , '\B' , Arguments.Delimiter ,
 'all' ) /


 These will work fine if the string is only alphanumerics - will need a
 bigger expression if the string might contain other stuff.

 Like this:

 cfreturn Arguments.Text.replaceAll( '\B|(?!^)\b(?!$)' ,
 Arguments.Delimiter ) /

 (that one doesn't have a CF equivalent, since CF regex can't do lookbehind)

 

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Re: String to List?

2009-03-19 Thread Peter Boughton

holy crap that is really cool :)

Yep. :)


For a full explanation of the last regex there:

\B|(?!^)\b(?!$)

Summarised as Any char boundary that is not at the start or end of the text.

In detail...

\B # as above, any WordChar-WordChar or NonWordChar-NonWordChar boundary.
|  # or (not inside parens, so applies to whole expression)
(?!^) # negative lookbehind - next match must not occur after ^ (where ^ = 
start of text)
\b # any WordChar-NonWordChar or NonWordChar-WordChar boundary (opposite of 
\B)
(?!$)  # negative lookahead - previous match must not occur before $ (where $ = 
end of text)



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Re: String to List?

2009-03-19 Thread Dominic Watson

This also does it quite nicely:

cfset list = ArrayToList( myString.toCharArray() ) /

Dominic

2009/3/19 Peter Boughton bought...@gmail.com:

holy crap that is really cool :)

 Yep. :)


 For a full explanation of the last regex there:

 \B|(?!^)\b(?!$)

 Summarised as Any char boundary that is not at the start or end of the text.

 In detail...

 \B     # as above, any WordChar-WordChar or NonWordChar-NonWordChar boundary.
 |      # or (not inside parens, so applies to whole expression)
 (?!^) # negative lookbehind - next match must not occur after ^ (where ^ = 
 start of text)
 \b     # any WordChar-NonWordChar or NonWordChar-WordChar boundary (opposite 
 of \B)
 (?!$)  # negative lookahead - previous match must not occur before $ (where $ 
 = end of text)



 

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RE: String to List?

2009-03-19 Thread Adrian Lynch

I knew there'd be something in Java!

 -Original Message-
 From: Dominic Watson [mailto:watson.domi...@googlemail.com]
 Sent: 19 March 2009 22:03
 To: cf-talk
 Subject: Re: String to List?
 
 
 This also does it quite nicely:
 
 cfset list = ArrayToList( myString.toCharArray() ) /
 
 Dominic


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Re: String to List?

2009-03-19 Thread Charlie Griefer

holy crap that is really cool :)

On Thu, Mar 19, 2009 at 3:02 PM, Dominic Watson 
watson.domi...@googlemail.com wrote:


 This also does it quite nicely:

 cfset list = ArrayToList( myString.toCharArray() ) /

 Dominic

 2009/3/19 Peter Boughton bought...@gmail.com:
 
 holy crap that is really cool :)
 
  Yep. :)
 
 
  For a full explanation of the last regex there:
 
  \B|(?!^)\b(?!$)
 
  Summarised as Any char boundary that is not at the start or end of the
 text.
 
  In detail...
 
  \B # as above, any WordChar-WordChar or NonWordChar-NonWordChar
 boundary.
  |  # or (not inside parens, so applies to whole expression)
  (?!^) # negative lookbehind - next match must not occur after ^ (where ^
 = start of text)
  \b # any WordChar-NonWordChar or NonWordChar-WordChar boundary
 (opposite of \B)
  (?!$)  # negative lookahead - previous match must not occur before $
 (where $ = end of text)
 
 
 
 

 

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Re: String to List?

2009-03-19 Thread Peter Boughton

This also does it quite nicely:

cfset list = ArrayToList( myString.toCharArray() ) /

And far more efficiently too!

You win. :) 

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Re: String to List?

2009-03-19 Thread Wil Genovese

So many cool ways and only one cat to skin ;-)

Wil



2009/3/19 Peter Boughton bought...@gmail.com


 This also does it quite nicely:
 
 cfset list = ArrayToList( myString.toCharArray() ) /

 And far more efficiently too!

 You win. :)

 

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Re: String to List?

2009-03-19 Thread Dominic Watson

Hoorah!

2009/3/19 Peter Boughton bought...@gmail.com:

This also does it quite nicely:

cfset list = ArrayToList( myString.toCharArray() ) /

 And far more efficiently too!

 You win. :)

 

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Re: String to List?

2009-03-19 Thread Christophe Maso

Thanks all!  Good stuff all around...really must get myself locked onto regex 
one of these days :).

I came up with this:

cffunction name=stringToDelimListRE access=public returnType=string 
output=false hint=Takes a string argument and inserts the second argument 
between each character.  Using reg ex, is much, much faster than the original  
looping function.

cfargument name=strInputString type=string required=yes
cfargument name=strDelimiter type=string required=no default=,


cfset var strNewList = 

!--- account for empty string as input string ---
cfif arguments.strInputString EQ 
cfreturn 
/cfif

!--- account for empty value of strDelimiter ---
cfif not len(arguments.strDelimiter)
cfset arguments.strDelimiter=,
/cfif

cfset 
strNewList=REreplace(arguments.strInputString,(.)(.),\1#arguments.strDelimiter#\2#arguments.strDelimiter#,ALL)

!--- Get rid of 'hanging' delimiter at end of list ---
cfset strNewList=mid(strNewList,1,len(strNewList)-1)

cfreturn strNewList

/cffunction 

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RE: String to List?

2009-03-19 Thread Adrian Lynch

You've gotta love this bit of code:

REreplace(arguments.strInputString,(.)(.),\1#arguments.strDelimiter#\2#ar
guments.strDelimiter#,ALL)

lol

Oh come on, that's funny! :OD

Adrian


 -Original Message-
 From: Christophe Maso [mailto:zum...@hotmail.com]
 Sent: 19 March 2009 23:37
 To: cf-talk
 Subject: Re: String to List?
 
 
 Thanks all!  Good stuff all around...really must get myself locked onto
 regex one of these days :).
 
 I came up with this:
 
 cffunction name=stringToDelimListRE access=public
 returnType=string output=false hint=Takes a string argument and
 inserts the second argument between each character.  Using reg ex, is
 much, much faster than the original  looping function.
 
   cfargument name=strInputString type=string required=yes
   cfargument name=strDelimiter type=string required=no
 default=,
 
 
   cfset var strNewList = 
 
   !--- account for empty string as input string ---
   cfif arguments.strInputString EQ 
   cfreturn 
   /cfif
 
   !--- account for empty value of strDelimiter ---
   cfif not len(arguments.strDelimiter)
   cfset arguments.strDelimiter=,
   /cfif
 
   cfset
 strNewList=REreplace(arguments.strInputString,(.)(.),\1#arguments.st
 rDelimiter#\2#arguments.strDelimiter#,ALL)
 
 !--- Get rid of 'hanging' delimiter at end of list ---
   cfset strNewList=mid(strNewList,1,len(strNewList)-1)
 
   cfreturn strNewList
 
 /cffunction


~|
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string to list???

2000-05-03 Thread Nagesh Kumar Deva

hello everybody,

is there a way to convert a string into a list?? the delimeter in string 
list to be space. is this possible??

plzz help me, i am stuck with it.

thanx in advance

nag
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Re: string to list???

2000-05-03 Thread KChapman


Can you give an example of what your trying to do?

Like: "I'm trying to turn 1,2,3 into 123"

--Katrina



Katrina Chapman
Consultant
Ameriquest Mortgage


   
  
Nagesh Kumar   
  
Deva  To: "Cold Fusion (E-mail)" 
[EMAIL PROTECTED] 
Nagesh@aptitucc:  
  
de.com.sg    Subject: string to list???   
  
   
  
05/03/00 09:05 
  
AM 
  
Please respond 
  
to cf-talk 
  
   
  
   
  



hello everybody,

is there a way to convert a string into a list?? the delimeter in string 
list to be space. is this possible??

plzz help me, i am stuck with it.

thanx in advance

nag
--

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RE: string to list???

2000-05-03 Thread Steve Reich

You can have a list with a space as the delimeter. If you have punctuation
or double spaces you would simply do a replace on them with a single space.

HTH,
Steve

-Original Message-
From: Nagesh Kumar Deva [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, May 03, 2000 12:06 PM
To: Cold Fusion (E-mail)
Subject: string to list???


hello everybody,

is there a way to convert a string into a list?? the delimeter in string 
list to be space. is this possible??

plzz help me, i am stuck with it.

thanx in advance

nag

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RE: string to list???

2000-05-03 Thread Nagesh Kumar Deva

Thanx josh
now it is working fine

bai
nagesh

-Original Message-
From: Josh Black [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 04, 2000 12:39 AM
To: [EMAIL PROTECTED]
Subject: Re: string to list???


Any string with spaces in it can automatically be treated as a space
delimited list.  No conversion is necessary.

Example:

cfset myString = "This is my test string"

cfloop list="#myString#" index="loopindex" delimiters=" "
  cfoutput
#loopindex#br
  /cfoutput
/cfloop

This will produce the output of:

This
is
my
test
string


HTH

Josh

- Original Message -
From: "Nagesh Kumar Deva" [EMAIL PROTECTED]
To: "Cold Fusion (E-mail)" [EMAIL PROTECTED]
Sent: Wednesday, May 03, 2000 9:05 AM
Subject: string to list???


 hello everybody,

 is there a way to convert a string into a list?? the delimeter in string 
 list to be space. is this possible??

 plzz help me, i am stuck with it.

 thanx in advance

 nag
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