Manfred--
I've been using FvwmM4 with non-standard quote characters for a while
now. Basically what i do is the following:
m4_dnl
m4_dnl # change to quote characters which aren't likely to be used
m4_dnl # in `normal' combinations of characters.
m4_dnl
m4_changequote(`<%',`%>')
m4_dnl
m4_dnl # a macro to strip `standard' quotes from predefined fvwm
m4_dnl # macros; this uses a trick of patsubst where omitting the
m4_dnl # third argument causes matching text to be deleted from a
m4_dnl # string.
m4_dnl
m4_define(<%stripquotes%>, <%m4_patsubst(<%$1%>, <%[`']%>)%>)
m4_dnl
m4_dnl # now strip the quotes from the predefined macros.
m4_dnl
m4_define(<%_FVWM_VERSION_%>, stripquotes(FVWM_VERSION))
m4_define(<%_BITS_PER_RGB_%>, stripquotes(BITS_PER_RGB))
m4_define(<%_CLASS_%>, stripquotes(CLASS))
m4_define(<%_CLIENTHOST_%>, stripquotes(CLIENTHOST))
m4_define(<%_COLOR_%>, stripquotes(COLOR))
m4_define(<%_WMDIR_%>, stripquotes(FVWMDIR))
m4_define(<%_HEIGHT_%>, stripquotes(HEIGHT))
m4_define(<%_HOME_%>, stripquotes(HOME))
m4_define(<%_HOSTNAME_%>, stripquotes(HOSTNAME))
m4_define(<%_OPTIONS_%>, stripquotes(OPTIONS))
m4_define(<%_OSTYPE_%>, stripquotes(OSTYPE))
m4_define(<%_PLANES_%>, stripquotes(PLANES))
m4_define(<%_RELEASE_%>, stripquotes(RELEASE))
m4_define(<%_REVISION_%>, stripquotes(REVISION))
m4_define(<%_SERVERHOST_%>, stripquotes(SERVERHOST))
m4_define(<%_TWM_TYPE_%>, stripquotes(TWM_TYPE))
m4_define(<%_USER_%>, stripquotes(USER))
m4_define(<%_VENDOR_%>, stripquotes(VENDOR))
m4_define(<%_VERSION_%>, stripquotes(VERSION))
m4_define(<%_WIDTH_%>, stripquotes(WIDTH))
m4_define(<%_X_RESOLUTION_%>, stripquotes(X_RESOLUTION))
m4_define(<%_Y_RESOLUTION_%>, stripquotes(Y_RESOLUTION))
m4_dnl
m4_dnl # finally, get rid of stripquotes(), since we don't
m4_dnl # need it anymore.
m4_dnl
m4_undefine(<%stripquotes%>)
The quoteless macros are surrounded by underscores; e.g. the stripped
version of `WIDTH' becomes `_WIDTH_'.
Hope that helps. Freundliche Grüße aus North Carolina.
--jim
%%%%%%%%%%%%%%% jim knoble %%%%%%%% jmknoble_at_pobox.com %%%%%%%%%%%%%%%%%
On 7 Oct 1997, Manfred Bartz wrote:
: I have started to use FvwmM4 for some adaptive startup behaviour.
: E.g. starting xterms with different fontsizes and geometries.
: However, I found that all predefined macros include an extra set of
: quotes. E.g. the predefined "WIDTH" expands to "`1600'". I find this
: very undesirable since it is not possible to do arithmetic with quoted
: numbers, e.g with ``m4_eval()''. I have patched FvwmM4 for my
: purposes to omit those extra quotes.
:
: Question: Has anybody got a big investment in FvwmM4's current
: quoting behaviour or should it be changed to allow arithmetic in m4?
:
: Or possibly: Am I missing something?
:
: --
: Manfred Bartz <mbartz_at_werple.net.au>
--
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Received on Mon Oct 06 1997 - 20:39:39 BST