Hello.
I am looking for a way to permanently change the contents of a directory from lowercase to uppercase.
Every time this question comes up, several people post scripts that will happily overwrite or otherwise mangle your data. I suggest this one, which I believe to be safe:
#!/bin/sh
for ORIGINAL in *[[:upper:]]*; do
NEW=`echo -- $ORIGINAL | tr '[:upper:]' '[:lower:]'`
if [ -d "$NEW" ] ; then
echo -- "$ORIGINAL" cannot be lowercased because "$NEW" is a directory
elif [ -e "$NEW" ] ; then
if ( cmp -- "$ORIGINAL" "$NEW" ); then
rm -f -- "$ORIGINAL"
else
echo -- "$ORIGINAL" cannot be lowercased because "$NEW" exists
fi
else
mv -i -- "$ORIGINAL" "$NEW"
fi
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