Just to add my $.02 to the pot here is another idea.. just an opinion
-------------------
source jhalfs.conf
# I dislike variables that magically appear when
set -u # you use them, typos can kill a lot of time... so force
# clean programming.. "unbound variable" error msg if not declared
# If the var BOOK contains something then, maybe, it points
# to a working doc.. set WC=1, else 'null'
WC=${BOOK:+1}
.
.
.
# If BOOK is not defined or empty then use the svn version of the doc.
BOOK=${BOOK:=lfs-$LFSVRS}
-----------------
Note.. the definition of WC just after sourcing the config file
eliminates the need to
have the variable declared in the config file.. A side effect of this
method is BOOK can be declared in the config file but left empty..
similar to FSTAB and CONFIG.
George
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