document remaining color options

[barcat.git] / barcat

diff --git a/barcat b/barcat
index 0d843c13e177580776d2b81e4556f38961c0b4e7..995f66942b0bd7200342b934bf81345a6b47a3de 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -193,9 +193,8 @@ sub sival {
 sub show_lines {
 
 state $nr = $opt{hidemin};
-@lines and @lines > $nr or return;
 @lines or return;
-@lines > $nr or return unless $opt{hidemin};
+@lines > $nr or return;
 
 @order = sort { $b <=> $a } @order unless tied @order;
 my $maxval = $opt{maxval} // (
@@ -245,8 +244,6 @@ if ($opt{markers} and $size > 0) {
        }
 }
 
-@lines > $nr or return if $opt{hidemin};
-
 say(
        color(31), sprintf('%*s', $lenval, $minval),
        color(90), '-', color(36), '+',
@@ -451,6 +448,11 @@ or alternatively I<1;30> for bright black.
 In case of additional colors,
 the last is used for values equal to the maximum, the first for minima.
 If unspecified, these are green and red respectively (I<31 90 32>).
+Multiple intermediate colors will be distributed
+relative to the size of values.
+
+Predefined color schemes are named I<whites> and I<fire>,
+or I<greys> and I<fire256> for 256-color variants.
 
 =item --spark[=<characters>]