--- /dev/null
+barcat -H input/minitude.txt
+ -10p ------------------------------=+|
+-200p ------------------------------=+|
+-3.0n ------------------------------=+|
+ -40n ------------------------------=+|
+-500n ------------------------------=+|
+-6.0μ ------------------------------=+|
+ -70μ ------------------------------=+|
+-800μ ------------------------------=+|
+-9.0m ------------------------------=+|
+-100m ------------------------------=+|
+-1.1 ------------------------------=+|
+ -12 ------------------------------=+|
+-130 ------------------------------=+|
+-1.4k ------------------------------=+|
+ -15k ------------------------------=+|
+-160k ------------------------------=+|
+-1.7M ------------------------------=+|
+ -18M ------------------------------=+|
+-190M ------------------------------
+-2.0G
+
+-999k - ------------------------------=+|
+-1.0M + ------------------------------=+|
+-1.0M ------------------------------=+|
+-1.0M - ------------------------------=+|
+-1.1M + ------------------------------=+|