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diff --git a/bin/ls/extern.h b/bin/ls/extern.h
--- a/bin/ls/extern.h
+++ b/bin/ls/extern.h
@@ -66,6 +66,7 @@
extern char *ansi_coloff;
extern char *attrs_off;
extern char *enter_bold;
+extern char *enter_underline;
extern int colorflag;
extern bool explicitansi;
diff --git a/bin/ls/ls.1 b/bin/ls/ls.1
--- a/bin/ls/ls.1
+++ b/bin/ls/ls.1
@@ -740,6 +740,7 @@
is the foreground color and
.Ar b
is the background color.
+When the background color is capitalized, the text will underlined.
.Pp
The color designators are as follows:
.Pp
@@ -761,23 +762,25 @@
.It Sy h
light grey
.It Sy A
-bold black, usually shows up as dark grey
+bold or underlined black, usually shows up as dark grey
.It Sy B
-bold red
+bold or underlined red
.It Sy C
-bold green
+bold or underlined green
.It Sy D
-bold brown, usually shows up as yellow
+bold or underlined brown, usually shows up as yellow
.It Sy E
-bold blue
+bold or underlined blue
.It Sy F
-bold magenta
+bold or underlined magenta
.It Sy G
-bold cyan
+bold or underlined cyan
.It Sy H
-bold light grey; looks like bright white
+bold or underlined light grey; looks like bright white
.It Sy x
default foreground or background
+.It Sy X
+default foreground or background, with an underline or bold
.El
.Pp
Note that the above are standard
diff --git a/bin/ls/ls.c b/bin/ls/ls.c
--- a/bin/ls/ls.c
+++ b/bin/ls/ls.c
@@ -159,6 +159,7 @@
char *ansi_coloff; /* ANSI sequence to reset colours */
char *attrs_off; /* ANSI sequence to turn off attributes */
char *enter_bold; /* ANSI sequence to set color to bold mode */
+char *enter_underline; /* ANSI sequence to enter underline mode */
#endif
static int rval;
@@ -485,6 +486,7 @@
ansi_bgcol = tgetstr("AB", &bp);
attrs_off = tgetstr("me", &bp);
enter_bold = tgetstr("md", &bp);
+ enter_underline = tgetstr("us", &bp);
/* To switch colours off use 'op' if
* available, otherwise use 'oc', or
diff --git a/bin/ls/print.c b/bin/ls/print.c
--- a/bin/ls/print.c
+++ b/bin/ls/print.c
@@ -106,7 +106,8 @@
/* colors for file types */
static struct {
int num[2];
- int bold;
+ bool bold;
+ bool underline;
} colors[C_NUMCOLORS];
#endif
@@ -548,6 +549,8 @@
if (colors[c].bold)
tputs(enter_bold, 1, putch);
+ if (colors[c].underline)
+ tputs(enter_underline, 1, putch);
if (colors[c].num[0] != -1) {
ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
@@ -569,6 +572,8 @@
if (colors[c].bold)
printf("1");
+ if (colors[c].underline)
+ printf(";4");
if (colors[c].num[0] != -1)
printf(";3%d", colors[c].num[0]);
if (colors[c].num[1] != -1)
@@ -666,7 +671,8 @@
cs = ""; /* LSCOLORS not set */
len = strlen(cs);
for (i = 0; i < (int)C_NUMCOLORS; i++) {
- colors[i].bold = 0;
+ colors[i].bold = false;
+ colors[i].underline = false;
if (len <= 2 * (size_t)i) {
c[0] = defcolors[2 * i];
@@ -689,10 +695,15 @@
colors[i].num[j] = c[j] - 'a';
else if (c[j] >= 'A' && c[j] <= 'H') {
colors[i].num[j] = c[j] - 'A';
- colors[i].bold = 1;
- } else if (tolower((unsigned char)c[j]) == 'x')
+ if (j == 1)
+ colors[i].underline = true;
+ else
+ colors[i].bold = true;
+ } else if (tolower((unsigned char)c[j]) == 'x') {
+ if (j == 1 && c[j] == 'X')
+ colors[i].underline = true;
colors[i].num[j] = -1;
- else {
+ } else {
warnx("invalid character '%c' in LSCOLORS"
" env var", c[j]);
colors[i].num[j] = -1;

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