Mail Archives: cygwin/2006/08/29/19:08:37
Ugh, top-posting... Reformatted.
On Tue, 29 Aug 2006, Tristen Hayfield wrote:
> Brian Dessent wrote:
> > "Silva, Russell" wrote:
> >
> > > x=`/usr/bin/cat < temp`;
> >
> > I don't know what is causing your problem. I ran your testcase several
> > times and never saw a failure, but from your description it seems like
> > it's the kind of thing that might occur very rarely.
> >
> > My only suggestion is that if your true desire is to actually read the
> > contents of a file into a variable, then the above construct is a fairly
> > expensive way of doing it. This requires a fork/exec (an operation
> > which is extremely slow under cygwin) of /bin/cat, whose purpose is only
> > to read from one fd and write to another. If you can live with a
> > bash-specific (?) construct, then x=$(< temp) should cause the same
> > effect but much more efficiently, as the shell itself just reads the
> > file without invoking any subprocesses.
> >
> > Brian
>
> One may also do:
> read x < temp
> in bash
Actually, it's more like
IFS='' read -rd '' x
but you have the general idea... :-)
Igor
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