a simple script to save password in truecrypt container

crypt.sh

#!/bin/bash
# a simple script to save password in truecrypt container

passwd_key=    passwd_value=    passwd_pair_str=

while [ $# -gt 0 ]
do
    case $1 in
	-i)    passwd_key=$2
               passwd_value=$3
               ;;
	-s)    passwd_name=$2
            ;;
        -a)    is_showall=true
            ;;
	-p)    CRYPT_FILE=$2
            ;;
	[?])	print >&2 "-p [crypt_file] [ -i <password_name> <password_value>| -s <password_name> ]"
		exit 1
                ;;
    esac
    shift
done

# mount point name may not longer than 16 chars 
MOUNT_PATH=`date +%s`
MOUNT_PATH="/media/crypt_"${MOUNT_PATH: -4}

echo $MOUNT_PATH

mkdir $MOUNT_PATH

truecrypt $CRYPT_FILE $MOUNT_PATH

FILE_NAME="cr"

if [ $passwd_name ]
then
    grep $passwd_name $MOUNT_PATH"/"$FILE_NAME --color=auto
elif [ $passwd_value ]
then
    echo $passwd_key" "$passwd_value  >>  $MOUNT_PATH"/"$FILE_NAME
fi

if [ $is_showall ]
then
    cat $MOUNT_PATH"/"$FILE_NAME
fi

truecrypt -d $CRYPT_FILE

rm -r $MOUNT_PATH