mariadb/scripts/mysql_fix_extensions.sh

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#!@PERL@
# This is a utility for MySQL. It is not needed by any standard part
# of MySQL.
# Usage: mysql_fix_extentions datadir
# does not work with RAID, with InnoDB or BDB tables
# makes .frm lowercase and .MYI/MYD/ISM/ISD uppercase
# useful when datafiles are copied from windows
die "Usage: $0 datadir\n" unless -d $ARGV[0];
for $a (<$ARGV[0]/*/*.*>) { $_=$a;
s/\.frm$/.frm/i;
s/\.(is[md]|my[id])$/\U$&/i;
rename ($a, $_) || warn "Cannot rename $a => $_ : $!";
}