Thanks for reminding me. I'd completely forgotten about that. :-)
On 5/8/08, Niall Sheridan <nsheridan at gmail.com> wrote:
>> That's all Make syntax, not shell syntax.
> $@ is a shorthand way of referring to the target, $< refers to the related
>> Say given the following make snippet:
>> monday: tuesday
> echo $< $@
>> 'make monday' will return 'tuesday monday'
>> - Niall
>>> On Thu, May 8, 2008 at 2:11 PM, Braun Brelin <bbrelin at gmail.com> wrote:
> > Hello all,
> > Someone sent me the following lines in a Makefile:
> > XML_RULE = @echo " xml-rule $< xml2hpp.xsl $@" && \
> > $(JAVA_BIN) -cp $(XT_DIR)/xp.jar:$(XT_DIR)/xt.jar \
> > com.jclark.xsl.sax.Driver \
> > $< $(CMKCMK)/xml2hpp.xsl $@
> > They wanted to know what the "$<" and "$@" symbols mean.
> > The make program is running under ksh.
> > The $@ is almost certainly the builtin array $@ for command line
> > but I'm having a hard time finding any reference for $<. Is this
> > substitution
> > a la $(<some_file) ?
> > I know that $< in Perl is the real uid of the
> > program but that doesn't seem to make any sense in this context.
> > My guess is that it's some variant of input redirection.
> > Anyone else know what $< is in KSH?
> > Thanks,
> > Braun Brelin
>> > --
> > Irish Linux Users' Group mailing list
> > About this list : http://mail.linux.ie/mailman/listinfo/ilug> > Who we are : http://www.linux.ie/> > Where we are : http://www.linux.ie/map/> >
Maintained by the ILUG website team. The aim of Linux.ie is to
support and help commercial and private users of Linux in Ireland. You can
display ILUG news in your own webpages, read backend
information to find out how. Networking services kindly provided by HEAnet, server kindly donated by
Dell. Linux is a trademark of Linus Torvalds,
used with permission. No penguins were harmed in the production or maintenance
of this highly praised website. Looking for the
Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!