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o Removed two unused variables (f_dirname and f_newline) in ls.c
o Added the -H and -P options for treatment of symbolic links. o Removed the #ifdef BSD4_4_LITE, since it does not seem to do anything useful o Fixed up prn_octal() so its output looks more like that of AT&T Unices when -b is given. The next two lines apply only to the first two changes above: PR: bin/6140 Submitted by: Max Euston
This commit is contained in:
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=35426
50
bin/ls/ls.1
50
bin/ls/ls.1
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@ -33,7 +33,7 @@
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)ls.1 8.7 (Berkeley) 7/29/94
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.\" $Id: ls.1,v 1.17 1998/04/21 22:01:58 des Exp $
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.\" $Id: ls.1,v 1.18 1998/04/24 07:49:46 des Exp $
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.\"
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.Dd July 29, 1994
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.Dt LS 1
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@ -43,7 +43,7 @@
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.Nd list directory contents
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.Sh SYNOPSIS
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.Nm ls
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.Op Fl ?ABCFLRTWabcdfgikloqrstu1
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.Op Fl ?ABCFHLPRTWabcdfgikloqrstu1
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.Op Ar file ...
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.Sh DESCRIPTION
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For each operand that names a
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@ -92,9 +92,26 @@ an equals sign (=) after each socket,
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a percent sign (%) after each whiteout,
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and a vertical bar (|) after each that is a
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.Tn FIFO .
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.It Fl H
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Symbolic links on the command line are followed. This option is assumed if
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none of the
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.Fl F ,
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.Fl d ,
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or
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.Fl l
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options are specified.
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.It Fl L
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If argument is a symbolic link, list the file or directory the link references
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rather than the link itself.
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rather than the link itself. This option cancels the
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.Fl P
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option.
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.It Fl P
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If argument is a symbolic link, list the link itself rather than the
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object the link references. This option cancels the
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.Fl H
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and
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.Fl L
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options.
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.It Fl R
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Recursively list subdirectories encountered.
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.It Fl T
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@ -112,8 +129,7 @@ but use C escape codes whenever possible.
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.It Fl c
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Use time when file status was last changed for sorting or printing.
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.It Fl d
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Directories are listed as plain files (not searched recursively) and
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symbolic links in the argument list are not indirected through.
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Directories are listed as plain files (not searched recursively).
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.It Fl f
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Output is not sorted.
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.It Fl g
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@ -129,7 +145,7 @@ For each file, print the file's file serial number (inode number).
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If the
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.Fl s
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option is specified, print the file size allocation in kilobytes,
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not blocks.
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not blocks. This option overrides the environment variable BLOCKSIZE.
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.It Fl l
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(The lowercase letter ``ell.'') List in long format. (See below.)
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If the output is to a terminal, a total sum for all the file
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@ -176,12 +192,28 @@ options all override each other; the last one specified determines
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the format used.
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.Pp
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The
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.Fl c ,
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.Fl c
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and
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.Fl u
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options override each other; the last one specified determines
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the file time used.
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.Pp
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The
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.Fl B ,
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.Fl b
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and
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.Fl q
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options all override each other; the last one specified determines
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the format used for non-printable characters.
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.Pp
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The
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.Fl H,
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.Fl L
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and
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.Fl P
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options all override each other (either partially or fully); they
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are applied in the order specified.
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.Pp
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By default,
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.Nm ls
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lists one entry per line to standard
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@ -363,3 +395,7 @@ The
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function is expected to be a superset of the
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.St -p1003.2
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specification.
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.Sh BUGS
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To maintain backward compatibility, the relationships between the many
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options is quite complex.
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14
bin/ls/ls.c
14
bin/ls/ls.c
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@ -45,7 +45,7 @@ static const char copyright[] =
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static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94";
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#else
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static const char rcsid[] =
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"$Id: ls.c,v 1.18 1998/04/21 22:02:00 des Exp $";
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"$Id: ls.c,v 1.19 1998/04/24 07:49:47 des Exp $";
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#endif
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#endif /* not lint */
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@ -85,7 +85,6 @@ int f_kblocks; /* print size in kilobytes */
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int f_listdir; /* list actual directory, not contents */
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int f_listdot; /* list files beginning with . */
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int f_longform; /* long listing format */
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int f_newline; /* if precede with newline */
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int f_nonprint; /* show unprintables as ? */
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int f_nosort; /* don't sort output */
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int f_octal; /* show unprintables as \xxx */
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@ -96,7 +95,6 @@ int f_sectime; /* print the real time for all files */
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int f_singlecol; /* use single column output */
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int f_size; /* list size in short listing */
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int f_statustime; /* use time of last mode change */
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int f_dirname; /* if precede with directory name */
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int f_timesort; /* sort by time vice name */
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int f_type; /* add type character for non-regular files */
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int f_whiteout; /* show whiteout entries */
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f_listdot = 1;
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fts_options = FTS_PHYSICAL;
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while ((ch = getopt(argc, argv, "?1ABCFLRTWabcdfgikloqrstu")) != -1) {
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while ((ch = getopt(argc, argv, "?1ABCFHLPRTWabcdfgikloqrstu")) != -1) {
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switch (ch) {
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/*
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* The -1, -C and -l options all override each other so shell
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case 'F':
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f_type = 1;
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break;
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case 'H':
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fts_options |= FTS_COMFOLLOW;
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break;
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case 'L':
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fts_options &= ~FTS_PHYSICAL;
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fts_options |= FTS_LOGICAL;
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break;
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case 'P':
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fts_options &= ~FTS_COMFOLLOW;
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fts_options &= ~FTS_LOGICAL;
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fts_options |= FTS_PHYSICAL;
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break;
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case 'R':
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f_recursive = 1;
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break;
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@ -39,7 +39,7 @@
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static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94";
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#else
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static const char rcsid[] =
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"$Id: util.c,v 1.12 1998/04/21 22:02:01 des Exp $";
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"$Id: util.c,v 1.13 1998/04/24 07:49:51 des Exp $";
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#endif
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#endif /* not lint */
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while ((ch = *s++))
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{
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if (isprint(ch)) putchar(ch), len++;
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if (isprint(ch) && (ch != '\"') && (ch != '\\'))
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putchar(ch), len++;
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else if (f_octal_escape) {
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putchar('\\');
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switch (ch) {
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case 0:
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putchar('0');
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break;
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case '\\':
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putchar('\\');
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break;
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case '\?':
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putchar('?');
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break;
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case '\'':
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putchar('\'');
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break;
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case '\"':
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putchar('"');
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break;
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void
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usage()
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{
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#ifdef BSD4_4_LITE
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(void)fprintf(stderr, "usage: ls [-1ACFLRTacdfiklqrstu] [file ...]\n");
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#else
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(void)fprintf(stderr, "usage: ls [-ACFLRTWacdfgikloqrstu1] [file ...]\n");
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#endif
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(void)fprintf(stderr, "usage: ls [-?ACFHLPRTWacdfgikloqrstu1]"
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" [file ...]\n");
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exit(1);
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}
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