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Add q-flag to ls(1)

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of course, UTF-8-aware. ;)
This commit is contained in:
FRIGN 2015-02-17 18:59:01 +01:00
parent ef23f966c5
commit 6b719faade
3 changed files with 35 additions and 5 deletions
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2
README
View File

@ -40,7 +40,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
=* ln yes none
=* logger yes none
=* logname yes none
= ls no -C, -R, -q, -u
= ls no -C, -R, -u
=* md5sum non-posix none
=* mkdir yes none
=* mkfifo yes none

6
ls.1
View File

@ -1,4 +1,4 @@
.Dd January 20, 2015
.Dd February 17, 2015
.Dt LS 1
.Os sbase
.Sh NAME
@ -6,7 +6,7 @@
.Nd list directory contents
.Sh SYNOPSIS
.Nm
.Op Fl 1acdFHhiLlrtU
.Op Fl 1acdFHhiLlqrtU
.Op Ar file ...
.Sh DESCRIPTION
.Nm
@ -36,6 +36,8 @@ themselves.
.It Fl l
List detailed information about each file, including their type, permissions,
links, owner, group, size, and last file status/modification time.
.It Fl q
Replace non-printable characters in filenames with '?'.
.It Fl r
Reverse the sort order.
.It Fl t

32
ls.c
View File

@ -10,6 +10,7 @@
#include <time.h>
#include <unistd.h>
#include "utf.h"
#include "util.h"
struct entry {
@ -32,6 +33,7 @@ static int hflag = 0;
static int iflag = 0;
static int Lflag = 0;
static int lflag = 0;
static int qflag = 0;
static int rflag = 0;
static int tflag = 0;
static int Uflag = 0;
@ -174,9 +176,10 @@ static void
lsdir(const char *path)
{
DIR *dp;
Rune r;
struct entry ent, *ents = NULL;
struct dirent *d;
size_t i, n = 0;
size_t i, j, k, n = 0, len;
char *cwd, *p;
cwd = agetcwd();
@ -201,6 +204,28 @@ lsdir(const char *path)
} else {
ents = erealloc(ents, ++n * sizeof(*ents));
p = estrdup(d->d_name);
if (qflag) {
len = strlen(p);
for (i = 1, j = 0; j + i <= len;) {
if (!fullrune(p + j, i)) {
i++;
continue;
}
charntorune(&r, p + j, i);
if (isprintrune(r)) {
j += i;
i = 1;
continue;
}
p[j] = '?';
for (k = j + 1; k < len - i + 2; k++) {
p[k] = p[k + i - 1];
}
len -= i - 1;
j += 1;
i = 1;
}
}
mkent(&ents[n - 1], p, tflag || Fflag || lflag || iflag, Lflag);
}
}
@ -231,7 +256,7 @@ ls(const struct entry *ent)
static void
usage(void)
{
eprintf("usage: %s [-1acdFHhiLlrtU] [file ...]\n", argv0);
eprintf("usage: %s [-1acdFHhiLlqrtU] [file ...]\n", argv0);
}
int
@ -271,6 +296,9 @@ main(int argc, char *argv[])
case 'l':
lflag = 1;
break;
case 'q':
qflag = 1;
break;
case 'r':
rflag = 1;
break;