(coreutils.info)Formatting the file names

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10.1.7 Formatting the file names
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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     Do not quote file names.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.

    `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 `literal', but this
     default may change to `shell' in a future version of this package.

`--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'.