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trim maximum unless negative
author
Mischa POSLAWSKY
<perl@shiar.org>
Wed, 4 Sep 2019 21:06:06 +0000
(23:06 +0200)
committer
Mischa POSLAWSKY
<perl@shiar.org>
Thu, 5 Sep 2019 03:11:33 +0000
(
05:11
+0200)
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diff --git
a/graph
b/graph
index 7118dc198a373b799c99065a147d75c8f5604e91..6da39b9c1af485b7688f672cdc24bb2e3471cb03 100755
(executable)
--- a/
graph
+++ b/
graph
@@
-19,18
+19,20
@@
GetOptions(\my %opt,
) or exit 64; # EX_USAGE
$opt{width} ||= $ENV{COLUMNS} || 80;
$opt{color} //= 1;
) or exit 64; # EX_USAGE
$opt{width} ||= $ENV{COLUMNS} || 80;
$opt{color} //= 1;
-$opt{trim} //= 0;
my @lines = readline or exit;
chomp for @lines;
my @values = map { s/^\h* ( -? [0-9]* (?:\.[0-9]+)? )//x and $1 } @lines;
my @order = sort { $b <=> $a } grep { length } @values;
my @lines = readline or exit;
chomp for @lines;
my @values = map { s/^\h* ( -? [0-9]* (?:\.[0-9]+)? )//x and $1 } @lines;
my @order = sort { $b <=> $a } grep { length } @values;
-length > $opt{trim} + 1 and substr($_, $opt{trim}) = '…' for @lines;
+if ($opt{trim}) {
+ my $trimpos = abs $opt{trim};
+ length > 1 + $trimpos and substr($_, $trimpos) = '…' for @lines;
+}
my $maxval = $order[0];
my $minval = min $order[-1], 0;
my $lenval = max map { length } @order;
my $maxval = $order[0];
my $minval = min $order[-1], 0;
my $lenval = max map { length } @order;
-my $len =
$opt{trim} ?
$opt{trim} + 2 :
+my $len =
defined $opt{trim} && $opt{trim} < 0 ? -
$opt{trim} + 2 :
1 + max map { length } @lines; # left padding
my $size = ($maxval - $minval) &&
($opt{width} - $lenval - $len) / ($maxval - $minval); # bar multiplication
1 + max map { length } @lines; # left padding
my $size = ($maxval - $minval) &&
($opt{width} - $lenval - $len) / ($maxval - $minval); # bar multiplication
@@
-82,12
+84,15
@@
Each line starting with a number is given a bar to visualise relative sizes.
Disable colored output of values and bar markers.
Disable colored output of values and bar markers.
-=item -l, --length=<size>
+=item -l, --length=
[-]
<size>
Trim line contents (between number and bars)
to a maximum number of characters.
The exceeding part is replaced by an abbreviation sign.
Trim line contents (between number and bars)
to a maximum number of characters.
The exceeding part is replaced by an abbreviation sign.
+Prepend a dash (i.e. make negative) to enforce padding
+regardless of encountered contents.
+
=item -m, --markers=
Statistical positions to indicate on bars.
=item -m, --markers=
Statistical positions to indicate on bars.