md5sum foo*
d41d8cd98f00b204e9800998ecf8427e  foo bar
d41d8cd98f00b204e9800998ecf8427e  foo;bar
d41d8cd98f00b204e9800998ecf8427e  foo'bar
d41d8cd98f00b204e9800998ecf8427e  foo"bar
d41d8cd98f00b204e9800998ecf8427e  foo$bar
\d41d8cd98f00b204e9800998ecf8427e  foo\\bar
d41d8cd98f00b204e9800998ecf8427e  foo&bar
d41d8cd98f00b204e9800998ecf8427e  foo	bar
\d41d8cd98f00b204e9800998ecf8427e  foo\nbar
d41d8cd98f00b204e9800998ecf8427e  foo
bar

ls -1 --quoting-style=literal foo*
foo bar
foo;bar
foo'bar
foo"bar
foo$bar
foo\bar
foo&bar
foo	bar
foo
bar
foo
bar

ls -1 --quoting-style=shell foo*
'foo bar'
'foo;bar'
'foo'\''bar'
'foo"bar'
'foo$bar'
'foo\bar'
'foo&bar'
'foo	bar'
'foo
bar'
'foo
bar'

ls -1 --quoting-style=shell-always foo*
'foo bar'
'foo;bar'
'foo'\''bar'
'foo"bar'
'foo$bar'
'foo\bar'
'foo&bar'
'foo	bar'
'foo
bar'
'foo
bar'

ls -1 --quoting-style=c foo*
"foo bar"
"foo;bar"
"foo'bar"
"foo\"bar"
"foo$bar"
"foo\\bar"
"foo&bar"
"foo\tbar"
"foo\nbar"
"foo\rbar"

ls -1 --quoting-style=escape foo*
foo\ bar
foo;bar
foo'bar
foo"bar
foo$bar
foo\\bar
foo&bar
foo\tbar
foo\nbar
foo\rbar

ls -1 --quoting-style=locale foo*
`foo bar'
`foo;bar'
`foo\'bar'
`foo"bar'
`foo$bar'
`foo\\bar'
`foo&bar'
`foo\tbar'
`foo\nbar'
`foo\rbar'

ls -1 --quoting-style=clocale foo*
"foo bar"
"foo;bar"
"foo'bar"
"foo\"bar"
"foo$bar"
"foo\\bar"
"foo&bar"
"foo\tbar"
"foo\nbar"
"foo\rbar"