How embarrassing - how long have I been away from C to have to ask this?
I want to display a float with only two digits of precision.
I’m trying this:
irb(main):011:0> printf("%2f", 5.3456)
5.345600=> nil
What am I doing wrong?
Wes
Got it - sorry.
irb(main):014:0> printf("%-10.2f", 5.3456)
5.35 => nil
Wes G. wrote:
Got it - sorry.
Actually, you didn’t, quite.
irb(main):014:0> printf("%-10.2f", 5.3456)
5.35 => nil
You almost always want to right-justify a column of such numbers:
irb(main):014:0> printf("%10.2f", 5.3456)
Use the default form without the “-”, add a field width larger than the
largest number, and you will get a nice right-justified column.