#!/bin/sh

usage()
{
    echo "USAGE: $0 <file1> <file2>";
    echo "    sposta il file <file1> nel file <file2>.";
    echo "    Il file <file2> non deve esistere.";
    echo "";

    case $1 in
        2) echo "Numero errato di parametri: $#";;
        3) echo "Il file <file2> non deve esistere";;
        4) echo "File non trovato";;
        *) echo "Errore non documentato";;
    esac

    echo "Return code $1";
    exit $1;
}

#echo $ORACLE_SID

# set the default_path where the parametres of the scripts should be located

DEFAULT_PATH=/usr/sap/${ORACLE_SID}/ifr
DATE_TIME=$(date +%Y%m%d%H%M%S)

# If the number of the parametres are not correct, exit with error

if [ ! $# -eq 2 ] ; then
    echo $#
    usage 2
fi

# If file <file2> exists, exit with error
if [ -f $DEFAULT_PATH/$2 ] ; then
    usage 3
fi

#origin path where the file is
path1=$DEFAULT_PATH/$1

#destination path where the file shold be moved
path2=$DEFAULT_PATH/$2

#If the file that has to move does not exist, exit with error.
if [ ! -f $path1 ] ; then
    usage 4
fi

for file in $path1; do
        mv $file $file$DATE_TIME
        
        #origin path without the name of the file
        path_1=${path1%/*}
        
        #destination path without the final "/"
        path_2=${path2%"/"}
        
        #confrontation of destination path and origin path, if different the file is moved, otherwise only the time and date is added to the name of the file.
            if [ ! $path_1 = $path_2 ]; then  
                mv $file$DATE_TIME $DEFAULT_PATH/$2
                echo "Moving the file " $file "... done!"
                else echo "origin path and destination path are the same, only time stamp added to the file... done!"
            fi    
done

#!/bin/sh
.
#other stuff, setting default_path and usage like number of parametres passed to the scripts
.
.
.
#check if the file that has to be created already exists
if [ -f $DEFAULT_PATH/$1]; then
     usage 3  #exit with error
fi

touch $DEFAULT_PATH/$1