#!/bin/bash
#### Add new records to file "p" ####

if [ "$1" = "" ] || [ "$2" = "" ]
then
   echo USAGE:
   echo "   addname First Middle Last"
   echo "   addname First Last"
fi


## Check args
if test $# -gt 3
then
        echo "ERROR:  too many arguments (2 or 3 only)";  exit
fi
#
if test $1 = "" || test -z $2
then
        echo "ERROR:  addname requires two or three arguments.";  exit
fi

## Extract the name.
first=$1
if test "$3" = ""
then
        middle=""       # No middle name
        last=$2
else
        middle="$2"
        last=$3
fi
name="$first:$middle:$last"


## Now, get the phone number.
echo "What is the phone number?"
read phone
if test $phone = 0
then
        echo "ERROR:  Phone number cannot be zero!";  exit
fi


## Assign an ID number.
touch p
let number=`wc -l p`
echo number = $number
let id=$number+1
echo id = $id

## +++++ job, birthdate
## ++++ Check for dups?

## Construct the record.
record="$phone:$name:$id:$job:$birth"
echo $record
echo $record >> p               # Append to file
echo `wc -l p` records on file.