[REBOL] Re: Compose words to get content
From: tmoeller::fastmail::fm at: 5-Sep-2005 12:16
Hi Graham,
thanks for spending some extra light on this issue. Nice to see that i
wasn't totally on the wrong track.
Thorsten
On Mon, 5 Sep 2005 21:29:56 +1200, "Graham Chiu" <[compkarori--gmail--com]>
said:
> Hi Thorsten
>
> I didn't take the time to explain what was going wrong.
>
> I think you were trying this ...
>
> >> reduce [ join "cells/" "3" ]
> == ["cells/3"]
>
> but reduce just evaluates that expression, and returns a string.
>
> To evaluate the string as source code as you appeared to want, you
> have to 'do it
>
> reduce [ do join "cells/" "3" ]
>
> I just chose an alternate way of achieving the same end.
>
> On 9/5/05, Thorsten Moeller <[tmoeller--fastmail--fm]> wrote:
> >
> > Hi Graham,
> >
> > thanks for your immediate help. It works as i need it. Thats the way i
> > was searching for the whole yesterday evening. Perhaps it was to late
> > and i do not have "pick" coming to my mind.
> >
> > Thanks
> >
> > Thorsten
> >
> >
> > On Mon, 5 Sep 2005 20:34:09 +1200, "Graham Chiu" <[compkarori--gmail--com]>
> > said:
> > >
> > > Hi Thorsten
> > >
> > > Will this work for you?
> > >
> > > foreach line sourcefile [
> > > cells: parse/all line ","
> > > foreach mline map [
> > > write/append join tpath mline/1
> > > rejoin [ pick cells to-integer mline/2 pick cells to-integer
> > > mline/3 " " mline/4 " " newline ]
> > > ]
> > > ]
> > >
> > >
> > > On 9/5/05, Thorsten Moeller <[tmoeller--fastmail--fm]> wrote:
> > > >
> > > > Hi,
> > > >
> > > > i made a small script to split a file. I use a series containing the
> > > > rules how every row in the source should be splitted. The problem i h
> ave
> > > > is when i want to compose the new lines from the rules. A little exam
> ple
> > > > should make it more clear:
> > > >
> > > > sourcefile: read/lines %/c/temp/sourcefile.txt
> > > > tpath: %/c/temp/
> > > >
> > > > map: [ ["filename1.txt" "1" "8" "q"]
> > > > ["filename2.txt" "1" "11" "m"]
> > > > ["filename3.txt" "1" "27" "m"]
> > > > ["filename4.txt" "1" "17" "q"]
> > > > ]
> > > >
> > > > foreach line sourcefile[
> > > > cells: parse/all line ","
> > > > foreach mline map [ write/append join tpath mline/1 reduce [join
> > > > "cells/" mline/2 join " cells/" mline/3 " " mline/4 " " newline ]
> ];
> > > > -- Problem
> > > > ]
> > > >
> > >
> > > --
> > > Graham Chiu
> > > --
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> > >
> >
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> --
> Graham Chiu
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