elwood wrote:
> Excellent!
> Thank you!
> A minor variation on the below-
> what if I want to split a string into a string array in which each
> element is one character?
> I think I can figure out a lengthy way to do it if I first convert the
> string to byte.
> BUT
> strjoin will knit a string array back together, but is there a way to
> use strsplit to rip off each char,
> one by one and put them into a string array?
> Something like the following perhaps;
> x="abdcf"
> arrayofchars=strsplit(x,'.',/regex,/extract)
>
> -the above doesnt work, it returns an empty string :-(
new_string_array = string(transpose(tmp[sort_inds]))
>
> On Feb 11, 9:02 am, Lasse Clausen <la...@[EMAIL PROTECTED]
> wrote:
> > On 11 Feb, 15:39, elwood <epolo...@[EMAIL PROTECTED]
> wrote:
> >
> > > I've been trying to think of a simple way to alphabetically sort an
> > > individual string
> >
> > > Say I have the string x="abdcf"
> > > Is there a way to sort it and return a new string which is in
correct
> > > alphabetical order,
> > > and/or reverse alphabetical order.
> >
> > > Maybe its obvious, but I havent worked with strings too much in IDL
> > > and I cant seem to find
> > > a way to do this (strsplit and stregex somehow??)
> >
> > > Thanks,
> > > Elisha
> >
> > Hi there,
> >
> > convert the string to an array of bytes, like so
> >
> > test = 'sfbvvaedfvtrgvsdvrbnyhtfc'
> > tmp = byte(test)
> >
> > This conversion happens according to the ASCII table, if I am not
> > mistanken, which connects a number to a character in ascending order,
> > on my machine a = 97, b = 98 and so on. Then sort that byte array and
> > build up the string again.
> >
> > sort_inds = sort(tmp)
> > new_string = string(tmp[sort_inds])
> > print, new_string
> >
> > That works, use REVERSE() if you want the sorting done from z-a.
> >
> > Cheers
> > Lasse Clausen
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