Print text to stderr.
.TP
+\fB\*(T<\fBappend_file\fR\*(T>\fR
+Append the file given as argument.
+
+.TP
+\fB\*(T<\fBoverwrite_file\fR\*(T>\fR
+Overwrite the file given as argument.
+
+.TP
\fB\*(T<\fBpad_percents\fR\*(T>\fR
Pad percentages to this many decimals (0 = no padding)