diff options
Diffstat (limited to 'bin/ls')
| -rw-r--r-- | bin/ls/cmp.c | 20 | ||||
| -rw-r--r-- | bin/ls/ls.1 | 72 | ||||
| -rw-r--r-- | bin/ls/ls.c | 25 | ||||
| -rw-r--r-- | bin/ls/ls.h | 2 | ||||
| -rw-r--r-- | bin/ls/print.c | 6 | ||||
| -rw-r--r-- | bin/ls/util.c | 6 |
6 files changed, 110 insertions, 21 deletions
diff --git a/bin/ls/cmp.c b/bin/ls/cmp.c index 84fb038..8729666 100644 --- a/bin/ls/cmp.c +++ b/bin/ls/cmp.c @@ -78,7 +78,10 @@ modcmp(const FTSENT *a, const FTSENT *b) if (b->fts_statp->st_mtim.tv_nsec < a->fts_statp->st_mtim.tv_nsec) return (-1); - return (strcoll(a->fts_name, b->fts_name)); + if (f_samesort) + return (strcoll(b->fts_name, a->fts_name)); + else + return (strcoll(a->fts_name, b->fts_name)); } int @@ -104,7 +107,10 @@ acccmp(const FTSENT *a, const FTSENT *b) if (b->fts_statp->st_atim.tv_nsec < a->fts_statp->st_atim.tv_nsec) return (-1); - return (strcoll(a->fts_name, b->fts_name)); + if (f_samesort) + return (strcoll(b->fts_name, a->fts_name)); + else + return (strcoll(a->fts_name, b->fts_name)); } int @@ -130,7 +136,10 @@ birthcmp(const FTSENT *a, const FTSENT *b) if (b->fts_statp->st_birthtim.tv_nsec < a->fts_statp->st_birthtim.tv_nsec) return (-1); - return (strcoll(a->fts_name, b->fts_name)); + if (f_samesort) + return (strcoll(b->fts_name, a->fts_name)); + else + return (strcoll(a->fts_name, b->fts_name)); } int @@ -156,7 +165,10 @@ statcmp(const FTSENT *a, const FTSENT *b) if (b->fts_statp->st_ctim.tv_nsec < a->fts_statp->st_ctim.tv_nsec) return (-1); - return (strcoll(a->fts_name, b->fts_name)); + if (f_samesort) + return (strcoll(b->fts_name, a->fts_name)); + else + return (strcoll(a->fts_name, b->fts_name)); } int diff --git a/bin/ls/ls.1 b/bin/ls/ls.1 index cc5ff48..aa4fc18 100644 --- a/bin/ls/ls.1 +++ b/bin/ls/ls.1 @@ -32,7 +32,7 @@ .\" @(#)ls.1 8.7 (Berkeley) 7/29/94 .\" $FreeBSD$ .\" -.Dd September 28, 2011 +.Dd November 8, 2012 .Dt LS 1 .Os .Sh NAME @@ -40,7 +40,7 @@ .Nd list directory contents .Sh SYNOPSIS .Nm -.Op Fl ABCFGHILPRSTUWZabcdfghiklmnopqrstuwx1 +.Op Fl ABCFGHILPRSTUWZabcdfghiklmnopqrstuwxy1, .Op Fl D Ar format .Op Ar .Sh DESCRIPTION @@ -130,6 +130,8 @@ This option is equivalent to defining .Ev CLICOLOR in the environment. (See below.) +This functionality can be compiled out by removing the definition of +.Ev COLORLS . .It Fl H Symbolic links on the command line are followed. This option is assumed if @@ -249,12 +251,35 @@ subsection below, except (if the long format is not also requested) the directory totals are not output when the output is in a single column, even if multi-column output is requested. .It Fl t -Sort by time modified (most recently modified -first) before sorting the operands in lexicographical -order. +Sort by descending time modified (most recently modified first). If two files +have the same modification timestamp, sort their names in ascending +lexicographical order. +The +.Fl r +option reverses both of these sort orders. +.Pp +Note that these sort orders are contradictory: the time sequence is in +descending order, the lexicographical sort is in ascending order. +This behavior is mandated by +.St -p1003.2 . +This feature can cause problems listing files stored with sequential names on +FAT file systems, such as from digital cameras, where it is possible to have +more than one image with the same timestamp. +In such a case, the photos cannot be listed in the sequence in which +they were taken. +To ensure the same sort order for time and for lexicographical sorting, set the +environment variable +.Ev LS_SAMESORT +or use the +.Fl y +option. +This causes +.Nm +to reverse the lexicographal sort order when sorting files with the +same modification timestamp. .It Fl u Use time of last access, -instead of last modification +instead of time of last modification of the file for sorting .Pq Fl t or printing @@ -268,6 +293,15 @@ The same as .Fl C , except that the multi-column output is produced with entries sorted across, rather than down, the columns. +.It Fl y +When the +.Fl t +option is set, sort the alphabetical output in the same order as the time output. +This has the same effect as setting +.Ev LS_SAMESORT . +See the description of the +.Fl t +option for more details. .It Fl 1 (The numeric digit .Dq one . ) @@ -275,6 +309,15 @@ Force output to be one entry per line. This is the default when output is not to a terminal. +.It Fl , +(Comma) When the +.Fl l +option is set, print file sizes grouped and separated by thousands using the +non-monetary separator returned by +.Xr localeconv 3 , +typically a comma or period. +If no locale is set, or the locale does not have a non-monetary separator, this +option has no effect. .El .Pp The @@ -529,7 +572,7 @@ variable is defined. .It Ev CLICOLOR_FORCE Color sequences are normally disabled if the output is not directed to a terminal. -This can be overridden by setting this flag. +This can be overridden by setting this variable. The .Ev TERM variable still needs to reference a color capable terminal however @@ -655,6 +698,14 @@ Not all columns have changeable widths. The fields are, in order: inode, block count, number of links, user name, group name, flags, file size, file name. +.It Ev LS_SAMESORT +If this variable is set, the +.Fl t +option sorts the names of files with the same modification timestamp in the same +sense as the time sort. +See the description of the +.Fl t +option for more details. .It Ev TERM The .Ev CLICOLOR @@ -678,6 +729,7 @@ specification. .Xr getfacl 1 , .Xr sort 1 , .Xr xterm 1 , +.Xr localeconv 3 , .Xr strftime 3 , .Xr strmode 3 , .Xr termcap 5 , @@ -716,3 +768,9 @@ option description might be a feature that was based on the fact that single-column output usually goes to something other than a terminal. It is debatable whether this is a design bug. +.Pp +.St -p1003.2 +mandates opposite sort orders for files with the same timestamp when +sorting with the +.Fl t +option. diff --git a/bin/ls/ls.c b/bin/ls/ls.c index 1fe1b96..36b0669 100644 --- a/bin/ls/ls.c +++ b/bin/ls/ls.c @@ -109,10 +109,11 @@ int termwidth = 80; /* default terminal width */ int f_humanval; /* show human-readable file sizes */ int f_inode; /* print inode */ static int f_kblocks; /* print size in kilobytes */ + int f_label; /* show MAC label */ static int f_listdir; /* list actual directory, not contents */ static int f_listdot; /* list files beginning with . */ -static int f_noautodot; /* do not automatically enable -A for root */ int f_longform; /* long listing format */ +static int f_noautodot; /* do not automatically enable -A for root */ static int f_nofollow; /* don't follow symbolic link arguments */ int f_nonprint; /* show unprintables as ? */ static int f_nosort; /* don't sort output */ @@ -122,19 +123,21 @@ static int f_numericonly; /* don't convert uid/gid to name */ int f_octal_escape; /* like f_octal but use C escapes if possible */ static int f_recursive; /* ls subdirectories also */ static int f_reversesort; /* reverse whatever sort is used */ - int f_sectime; /* print the real time for all files */ + int f_samesort; /* sort time and name in same direction */ + int f_sectime; /* print full time information */ static int f_singlecol; /* use single column output */ int f_size; /* list size in short listing */ +static int f_sizesort; int f_slash; /* similar to f_type, but only for dirs */ int f_sortacross; /* sort across rows, not down columns */ int f_statustime; /* use time of last mode change */ static int f_stream; /* stream the output, separate with commas */ -static int f_timesort; /* sort by time vice name */ + int f_thousands; /* show file sizes with thousands separators */ char *f_timeformat; /* user-specified time format */ -static int f_sizesort; +static int f_timesort; /* sort by time vice name */ int f_type; /* add type character for non-regular files */ static int f_whiteout; /* show whiteout entries */ - int f_label; /* show MAC label */ + #ifdef COLORLS int f_color; /* add type in color for non-regular files */ @@ -180,8 +183,10 @@ main(int argc, char *argv[]) } fts_options = FTS_PHYSICAL; + if (getenv("LS_SAMESORT")) + f_samesort = 1; while ((ch = getopt(argc, argv, - "1ABCD:FGHILPRSTUWZabcdfghiklmnopqrstuwx")) != -1) { + "1ABCD:FGHILPRSTUWXZabcdfghiklmnopqrstuwxy,")) != -1) { switch (ch) { /* * The -1, -C, -x and -l options all override each other so @@ -237,6 +242,9 @@ main(int argc, char *argv[]) f_sizesort = 0; break; /* Other flags. Please keep alphabetic. */ + case ',': + f_thousands = 1; + break; case 'B': f_nonprint = 0; f_octal = 1; @@ -338,6 +346,9 @@ main(int argc, char *argv[]) f_octal = 0; f_octal_escape = 0; break; + case 'y': + f_samesort = 1; + break; default: case '?': usage(); @@ -850,6 +861,8 @@ label_out: d.s_size = sizelen; d.s_user = maxuser; } + if (f_thousands) /* make space for commas */ + d.s_size += (d.s_size - 1) / 3; printfcn(&d); output = 1; diff --git a/bin/ls/ls.h b/bin/ls/ls.h index ee2a7a5..9a57de3 100644 --- a/bin/ls/ls.h +++ b/bin/ls/ls.h @@ -49,11 +49,13 @@ extern int f_longform; /* long listing format */ extern int f_octal; /* print unprintables in octal */ extern int f_octal_escape; /* like f_octal but use C escapes if possible */ extern int f_nonprint; /* show unprintables as ? */ +extern int f_samesort; /* sort time and name in same direction */ extern int f_sectime; /* print the real time for all files */ extern int f_size; /* list size in short listing */ extern int f_slash; /* append a '/' if the file is a directory */ extern int f_sortacross; /* sort across rows, not down columns */ extern int f_statustime; /* use time of last mode change */ +extern int f_thousands; /* show file sizes with thousands separators */ extern char *f_timeformat; /* user-specified time format */ extern int f_notabs; /* don't use tab-separated multi-col output */ extern int f_type; /* add type character for non-regular files */ diff --git a/bin/ls/print.c b/bin/ls/print.c index 5a0fc86..335d0e9 100644 --- a/bin/ls/print.c +++ b/bin/ls/print.c @@ -606,7 +606,11 @@ printsize(size_t width, off_t bytes) humanize_number(buf, sizeof(buf), (int64_t)bytes, "", HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); (void)printf("%*s ", (u_int)width, buf); - } else + } else if (f_thousands) { /* with commas */ + /* This format assignment needed to work round gcc bug. */ + const char *format = "%*j'd "; + (void)printf(format, (u_int)width, bytes); + } else (void)printf("%*jd ", (u_int)width, bytes); } diff --git a/bin/ls/util.c b/bin/ls/util.c index ecb1732..7fa6606 100644 --- a/bin/ls/util.c +++ b/bin/ls/util.c @@ -175,7 +175,7 @@ prn_octal(const char *s) size_t clen; unsigned char ch; int goodchar, i, len, prtlen; - + memset(&mbs, 0, sizeof(mbs)); len = 0; while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { @@ -222,9 +222,9 @@ usage(void) { (void)fprintf(stderr, #ifdef COLORLS - "usage: ls [-ABCFGHILPRSTUWZabcdfghiklmnopqrstuwx1] [-D format]" + "usage: ls [-ABCFGHILPRSTUWZabcdfghiklmnopqrstuwxy1,] [-D format]" #else - "usage: ls [-ABCFHILPRSTUWZabcdfghiklmnopqrstuwx1] [-D format]" + "usage: ls [-ABCFHILPRSTUWZabcdfghiklmnopqrstuwxy1,] [-D format]" #endif " [file ...]\n"); exit(1); |
