reformat and colourise numbers

Replace captured values in dark grey, with minimal padding
(uniq adds at least 6 spaces we can use for graphing).

diff --git a/graph b/graph
index d20fcd303750d4bd94be366e6e8bdee151c898c4..cce0d3cd4d2bedfcd57e10c792023e8d10ba90d3 100755 (executable)
--- a/graph
+++ b/graph
@@ -7,12 +7,17 @@ my $width = $ENV{COLUMNS} || 80;
 
 my @lines = readline;
 chomp for @lines;
-my @values = map { /^\h*([0-9]*)/ } @lines;
+my @values = map { s/^\h*([0-9]*)// and $1 } @lines;
 my $maxval = max @values;
+my $lenval = 1 + int log($maxval) / log 10;  # max string length
 my $len    = 1 + max map { length } @lines;  # left padding
-my $size   = ($width - $len) / $maxval;  # bar multiplication
+my $size   = ($width - $lenval - $len) / $maxval;  # bar multiplication
 
-for (@lines) {
-       my $val = shift @values;
-       say $_, ' ' x ($len - length), '#' x ($val * $size);
+for my $nr (0 .. $#lines) {
+       my $val = $values[$nr];
+       printf "\e[90m";
+       printf "%*s", $lenval, $val;
+       print "\e[0m";
+       printf '%-*s', $len, $lines[$nr];
+       say '-' x ($val * $size);
 }