LDP/LDP/guide/docbook/abs-guide/ex38.sh

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Bash

#!/bin/bash
# Load a data file.
. data-file
# Same effect as "source data-file", but more portable.
# Note that the file "data-file", given below
# must be present in working directory.
# Now, reference some data from that file.
echo "variable1 (from data-file) = $variable1"
echo "variable3 (from data-file) = $variable3"
let "sum = $variable2 + $variable4"
echo "Sum of variable2 + variable4 (from data-file) = $sum"
echo "message1 (from data-file) is \"$message1\""
# Note: escaped quotes
print_message This is the message-print function in the data-file.
exit 0