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These options change how file names themselves are printed.
-b’--escape’--quoting-style=escape’
Quote nongraphic characters in file names using alphabetic and octal backslash sequences like those used in C.
-N’--literal’--quoting-style=literal’
Do not quote file names. However, with ls nongraphic
characters are still printed as question marks if the output is a
terminal and you do not specify the --show-control-chars
option.
-q’--hide-control-chars’
Print question marks instead of nongraphic characters in file names.
This is the default if the output is a terminal and the program is
ls.
-Q’--quote-name’--quoting-style=c’
Enclose file names in double quotes and quote nongraphic characters as in C.
--quoting-style=word’
Use style word to quote file names and other strings that may
contain arbitrary characters. The word should
be one of the following:
literal’Output strings as-is; this is the same as the -N or
--literal option.
shell’Quote strings for the shell if they contain shell metacharacters or would
cause ambiguous output.
The quoting is suitable for POSIX-compatible shells like
bash, but it does not always work for incompatible shells
like csh.
shell-always’Quote strings for the shell, even if they would normally not require quoting.
shell-escape’Like ‘shell’, but also quoting non-printable characters using the POSIX
proposed ‘$’ syntax suitable for most shells.
shell-escape-always’Like ‘shell-escape’, but quote strings even if they would
normally not require quoting.
c’Quote strings as for C character string literals, including the
surrounding double-quote characters; this is the same as the
-Q or --quote-name option.
escape’Quote strings as for C character string literals, except omit the
surrounding double-quote
characters; this is the same as the -b or --escape option.
clocale’Quote strings as for C character string literals, except use surrounding quotation marks appropriate for the locale.
locale’Quote strings as for C character string literals, except use
surrounding quotation marks appropriate for the locale, and quote
'like this' instead of "like this" in the default C locale. This looks nicer on many displays.
You can specify the default value of the --quoting-style option
with the environment variable QUOTING_STYLE. If that environment
variable is not set, the default value is ‘shell-escape’ when the
output is a terminal, and ‘literal’ otherwise.
--show-control-chars’
Print nongraphic characters as-is in file names.
This is the default unless the output is a terminal and the program is
ls.
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