75 lines
1.7 KiB
Bash
Executable File
75 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/ksh
|
|
#
|
|
# SCRIPT: equate_base_10_to_8.ksh
|
|
# AUTHOR: Randy Michael
|
|
# DATE: 07/07/2007
|
|
# REV: 1.2.P
|
|
#
|
|
# PURPOSE: This script is used to convert a base 10 number
|
|
# to a base 8 octal representation.
|
|
# This scripts expects that a base 10 number
|
|
# is supplied as a single argument.
|
|
#
|
|
# EXIT CODES:
|
|
# 0 - Normal script execution
|
|
# 1 - Usage error
|
|
#
|
|
# REV LIST:
|
|
#
|
|
#
|
|
# set -x # Uncomment to debug this script
|
|
# set -n # Uncomment to check command syntax without any execution
|
|
#
|
|
#################################################
|
|
# DEFINE FILES AND VARIABLES HERE
|
|
#################################################
|
|
|
|
SCRIPT_NAME=`basename $0`
|
|
typeset -i8 BASE_8_NUM
|
|
typeset -i BASE_10_NUM
|
|
|
|
# Set up the correct echo command usage. Many Linux
|
|
# distributions will execute in Bash even if the
|
|
# script specifies Korn shell. Bash shell requires
|
|
# we use echo -e when we use \n, \c, etc.
|
|
|
|
case $SHELL in
|
|
*/bin/bash) alias echo="echo -e"
|
|
;;
|
|
esac
|
|
|
|
#################################################
|
|
# DEFINE FUNCTIONS HERE
|
|
#################################################
|
|
|
|
function usage
|
|
{
|
|
echo "\nUSAGE: $SCRIPT_NAME base_10_number"
|
|
echo "\nEXAMPLE: $SCRIPT_NAME 946"
|
|
echo "\nWill return the octal base 8 number 1662 ...EXITING...\n"
|
|
}
|
|
|
|
#################################################
|
|
# BEGINNING OF MAIN
|
|
#################################################
|
|
|
|
# Check for a single command line argument
|
|
|
|
if [ $# -ne 1 ]
|
|
then
|
|
echo "\nERROR: A base 10 number must be supplied..."
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
BASE_10_NUM="$1"
|
|
|
|
BASE_8_NUM=$((10#${BASE_10_NUM}))
|
|
echo $BASE_8_NUM | grep "#" >/dev/null 2>&1
|
|
if [ $? -eq 0 ]
|
|
then
|
|
echo $BASE_8_NUM | cut -f2 -d "#"
|
|
else
|
|
echo $BASE_8_NUM
|
|
fi
|