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NIS maps
--------
When using NIS (formerly YP), an Amd map is implemented directly by
the underlying NIS map. Comments and continuation lines are *not*
supported in the automounter and must be stripped when constructing the
NIS server's database.
NIS maps do not support cache mode `all' and, when caching is
enabled, have a default cache mode of `inc' (*note Automount
Filesystem::.).
The following rule illustrates what could be added to your NIS
`Makefile', in this case causing the `amd.home' map to be rebuilt:
$(YPTSDIR)/amd.home.time: $(ETCDIR)/amd.home
-@sed -e "s/#.*$$//" -e "/^$$/d" $(ETCDIR)/amd.home | \
awk '{ \
for (i = 1; i <= NF; i++) \
if (i == NF) { \
if (substr($$i, length($$i), 1) == "\\") \
printf("%s", substr($$i, 1, length($$i) - 1)); \
else \
printf("%s\n", $$i); \
} \
else \
printf("%s ", $$i); \
}' | \
$(MAKEDBM) - $(YPDBDIR)/amd.home; \
touch $(YPTSDIR)/amd.home.time; \
echo "updated amd.home"; \
if [ ! $(NOPUSH) ]; then \
$(YPPUSH) amd.home; \
echo "pushed amd.home"; \
else \
: ; \
fi
Here `$(YPTSDIR)' contains the time stamp files, and `$(YPDBDIR)'
contains the dbm format NIS files.
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