X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/45f511dfa9c64725f7113a2a57a98435c3c1b09a..refs/tags/v1.09:/barcat

diff --git a/barcat b/barcat
index 2a931c6..d93f251 100755
--- a/barcat
+++ b/barcat
@@ -6,7 +6,7 @@ use List::Util qw( min max sum );
 use open qw( :std :utf8 );
 use re '/msx';
 
-our $VERSION = '1.08';
+our $VERSION = '1.09';
 
 my %opt;
 if (@ARGV) {
@@ -246,7 +246,9 @@ if ($opt{markers} and $size > 0) {
 				return sum(@order) / @order;
 			}
 			elsif ($func =~ /\A([0-9.]+)v\z/) {
-				die "Invalid marker $char: percentile $1 out of bounds\n" if $1 > 100;
+				$1 <= 100 or die(
+					"Invalid marker $char: percentile $1 out of bounds\n"
+				);
 				my $index = $#order * $1 / 100;
 				return ($order[$index] + $order[$index + .5]) / 2;
 			}
@@ -650,14 +652,21 @@ Number of HTTP requests per day:
 
     cat httpd/access.log | cut -d\  -f4 | cut -d: -f1 | uniq -c | barcat
 
-Any kind of database query with counts, preserving returned alignment:
+Any kind of database query results, preserving returned alignment:
 
-    echo 'SELECT count(*),schemaname FROM pg_tables GROUP BY 2' |
+    echo 'SELECT sin(value * .1) FROM generate_series(0, 30) value' |
     psql -t | barcat -u
 
-In PostgreSQL from within the client:
+In PostgreSQL from within the client; a fancy C<\dt+> perhaps:
 
-    > SELECT sin(generate_series(0, 3, .1)) \g |barcat
+    > SELECT schemaname, relname, pg_total_relation_size(relid)
+      FROM pg_statio_user_tables ORDER BY idx_blks_hit
+      \g |barcat -uHf+
+
+Same thing in SQLite (requires the sqlite3 client):
+
+    > .once |barcat -Hf+
+    > SELECT name, sum(pgsize) FROM dbstat GROUP BY 1;
 
 Earthquakes worldwide magnitude 1+ in the last 24 hours: