Replace all dots in filenames except the extension on Linux
for
f in .
;
do
pre
=
"
${
f
%.
}
"
;
suf
=
"
${
f
##.
}
"
;
mv -i -f --
"
$f
"
"
${
pre
//./_
}
.
${
suf
}
"
;
done