Advanced Bash−Scripting Guide

Advanced Bash−Scripting Guide
case "$dec" in
[0−9]*) ;; # number ok
*) continue;; # error: ignore
esac
!
}
# Print all conversions in one line.
# ==> 'here document' feeds command list to 'bc'.
echo `bc More error checking for illegal input would be useful.
shift
done
if [ $# −gt 0 ]
then
PrintBases "$@"
else
while read line
do
PrintBases $line
done
fi
# read from stdin
An alternate method of invoking bc involves using a here document embedded within a command
substitution block. This is especially appropriate when a script needs to pass a list of options and
commands to bc.
variable=`bc