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Re: Breaking out of a foreach loop
From: |
Noel Yap |
Subject: |
Re: Breaking out of a foreach loop |
Date: |
Fri, 27 Feb 2004 19:04:11 -0500 |
I had forgotten about this technique. IIUC, it's pretty similar to using
recursion to emulate a counted for loop within a functional programming
language. Is this what you were going for?
Noel
Mike Gibson wrote:
>
> Here's a first pass...Not tested as I don't care that much.
>
> restwords = $(wordlist 2,$words($(1)),$(1))
>
> # $(1) : word list
> # $(2) : break function
> # $(3) : statement
> for_with_break = $(if $(call $(2),$(firstword $(1))),
> $(3) $(call f,$(call wordlist,$(1))))
>
> $(call for_with_break,$(DIRS),some condition function,some statement)
>
> On Friday 27 February 2004 03:45 pm, Bhatt, Milan C wrote:
> > Hi Guys,
> >
> > I just had a quick question on whether there was any way to break out of
> > a foreach loop when a certain condition has been reached.
> >
> > I'd like to do the following:
> >
> > $(foreach dir, $(DIRS), \
> > $(if <condition>, <statement>; \
> > <break_out_of_loop>) )
> >
> > I wasn't able to find anything in the documentation that provided this
> > kind of functionality.
> >
> > Thanks,
> > Milan
>
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