normalise_inc () 
{ 
    for i in $(grep -l 'pclzip.lib' inc*php*);
    do
        sed 's/pclzip.lib/inc_pclzip/' $i >x;
        mv x $i;
    done;
    $MVCOMMAND pclzip.lib.php inc_pclzip.php;
    for i in $(grep -l 'lab_' inc*php*);
    do
        sed 's/lab_/inc_/' $i >x;
        mv x $i;
    done;
    $MVCOMMAND lab_diff.php inc_diff.php;
    $MVCOMMAND lab_ortho.php inc_ortho.php;
    $MVCOMMAND lab_revisions.php inc_revisions.php
}