LDP/LDP/guide/docbook/abs-guide/ex36.sh

24 lines
523 B
Bash

#!/bin/bash
# "Reading" variables.
echo -n "Enter the value of variable 'var1': "
# The -n option to echo suppresses newline.
read var1
# Note no '$' in front of var1, since it is being set.
echo "var1 = $var1"
echo
# A single 'read' statement can set multiple variables.
echo -n "Enter the values of variables 'var2' and 'var3' "
echo =n "(separated by a space or tab): "
read var2 var3
echo "var2 = $var2 var3 = $var3"
# If you input only one value,
#+ the other variable(s) will remain unset (null).
exit 0