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# This is a data file loaded by a script.
# Files of this type may contain variables, functions, etc.
# It loads with a 'source' or '.' command from a shell script.
# Let's initialize some variables.
variable1=23
variable2=474
variable3=5
variable4=97
message1="Greetings from *** line $LINENO *** of the data file!"
message2="Enough for now. Goodbye."
print_message ()
{ # Echoes any message passed to it.
if [ -z "$1" ]
then
return 1 # Error, if argument missing.
fi
echo
until [ -z "$1" ]
do # Step through arguments passed to function.
echo -n "$1" # Echo args one at a time, suppressing line feeds.
echo -n " " # Insert spaces between words.
shift # Next one.
done
echo
return 0
}
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