1. Strtok-v2-1.e problem
I'm parsing stings such as "1__2_3_4_5". I'm using Strtok-v2-1.e and what I want
is a sequence like {"1","","2","4","5"}.
The parse function of Strtok-v2-1.e gives me {"1","2","4","5"}. It splits the
parse string into atoms so "__" gives the same as '_'.
There doesn't seem to be any substring function in the standard library so I'm
kind of stranded on this simple issue.
Does anyone have a idea how to do this without writing a lot of code.
2. Re: Strtok-v2-1.e problem
Haflidi Asgrimsson wrote:
>
> I'm parsing stings such as "1__2_3_4_5". I'm using Strtok-v2-1.e and what I
> want is
> a sequence like {"1","","2","4","5"}.
> The parse function of Strtok-v2-1.e gives me {"1","2","4","5"}. It splits the
> parse
> string into atoms so "__" gives the same as '_'.
> There doesn't seem to be any substring function in the standard library so I'm
> kind
> of stranded on this simple issue.
> Does anyone have a idea how to do this without writing a lot of code.
Look at Michael Raley's "Parse with Keep" library...
http://www.rapideuphoria.com/cgi-bin/asearch.exu?dos=on&win=on&lnx=on&gen=on&keywords=parse+with+keep
-=ck
"Programming in a state of EUPHORIA."
http://www.cklester.com/euphoria/
3. Re: Strtok-v2-1.e problem
- Posted by "Kat" <gertie at visionsix.com>
Mar 31, 2005
-
Last edited Apr 01, 2005
On 31 Mar 2005, at 9:08, cklester wrote:
>
>
> posted by: cklester <cklester at yahoo.com>
>
> Haflidi Asgrimsson wrote:
> >
> > I'm parsing stings such as "1__2_3_4_5". I'm using Strtok-v2-1.e and what I
> > want is a sequence like {"1","","2","4","5"}. The parse function of
> > Strtok-v2-1.e gives me {"1","2","4","5"}. It splits the parse string into
> > atoms so "__" gives the same as '_'. There doesn't seem to be any substring
> > function in the standard library so I'm kind of stranded on this simple
> > issue.
> > Does anyone have a idea how to do this without writing a lot of code.
>
> Look at Michael Raley's "Parse with Keep" library...
>
>
> http://www.rapideuphoria.com/cgi-bin/asearch.exu?dos=on&win=on&lnx=on&gen=on&key
> words=parse+with+keep
That would give him
{"1","","","2","","4","","5"}
You can't very well ask to toss the first delimiter and keep the remaining
delimiter in
your example. But anyhow, from the html doc for strtok:
New in v2.1 is "k" for keeping the separators in the parsed nested sequence, and
"i" for case insensitivity in comparing alphabetic strings (see the last 2
examples).
You can use "k" and "i" at the same time.
parse("nick!ident at a.net",{"k","!@"}) = {"nick","!","ident","@","a.net"}
Kat
Kat
4. Re: Strtok-v2-1.e problem
include Strtok-v2-1.e
sequence s
s = parse("1__2_3_4_5",{"k","_"})
puts(1,s[1])
gives 1__2_3_4_5
:p
include kparse.e
sequence s
s = Kparse("1__2_3_4_5","_")
for i = 1 to length(s) do
puts(1,s[i] & ",")
end for
gives 1,,2,3,4,5,
thanx!
5. Re: Strtok-v2-1.e problem
On 1 Apr 2005, at 3:29, Haflidi Asgrimsson wrote:
>
>
> posted by: Haflidi Asgrimsson <haflidi at prokaria.com>
>
> include Strtok-v2-1.e
> sequence s
> s = parse("1__2_3_4_5",{"k","_"})
> puts(1,s[1])
>
> gives 1__2_3_4_5
> :p
Use '_'
There is no "_" in s above, so the whole string was returned.
Kat
6. Re: Strtok-v2-1.e problem
- Posted by Michael Raley <thinkways at yahoo.com>
Apr 01, 2005
-
Last edited Apr 02, 2005
Haflidi Asgrimsson wrote:
>
> include Strtok-v2-1.e
> sequence s
> s = parse("1__2_3_4_5",{"k","_"})
> puts(1,s[1])
>
> gives 1__2_3_4_5
> :p
>
>
> include kparse.e
> sequence s
> s = Kparse("1__2_3_4_5","_")
> for i = 1 to length(s) do
> puts(1,s[i] & ",")
> end for
>
> gives 1,,2,3,4,5,
>
> thanx!
>
It's a differnt abstraction. Single charector delimiters only.
Kparse evaluates the arguement "_" and '_' the same
If you pass "^_" it bookmarks each delimiter position concurrently.
Kparse2(sequence,"^_") will evaluate the first delimiter
then each list element will be broken down by the second delimiter
I haven't worked out a recursive routine yet to handle more than 2.
s= "Joe^Doe|123456^F|NO CHANGE"
Kparse(s,"|^") gives "Joe","Doe","123456","F","NO CHANGE"
Kparse2(s,"|^") gives {"Joe","Doe"},{"123456","F"},{"NO CHANGE"}
Kparse2(s,{
"|_><,\"
,"!@#$%^*"
}
)
is also valid
