How can i devide decimal numbers?
I am getting this kind of error:
line 18: 200.2/40.234: syntax error in expression (error token is ".2/40.234")
What can i do to work around this problem?
Thanks for any advice. (4 Replies)
Hi friends
How can I use "for loop" for decimal numbers?
ex: 0.1 < x < 0.6
I used this commands but does'nt work.
LIMIT=0.6
for ((x=0.1; x<=LIMIT; x++))
do
-
-
-
done
Many thanks (1 Reply)
Hi,
please tell me how to convert hex number to decimal
000000E7
000000000002640D
0000000000025B16
and seconds to minutes, hours, days, months, years
bytes to kbytes, mbytes , gbytes
read the following examples
while read a b
do
printf "%5d %5d\n" "0x$a" "0x$b"
done < "$FILE"... (15 Replies)
Im trying to compare two numbers with decimals but its not working as expected.
a=1
b=1.1
if
then echo "equal"
fi
When I do this it says that the numbers are equal. Ultimately Im using -le and -ge in the if statements but I tested with -eq for simplicity.
Any way to make this... (3 Replies)
Hello...
I am new to unix and I am wondering if in a C-shell script , Are we supposed to use only whole numbers........ for example..if a program needs to calculate the average of some numbers........
@ avg = (($1 +$2 + $3)/3)) is returning a whole number.........How can a decimal be... (7 Replies)
Hi experts,
My number output has somehting like below
filename /temp
0.23
10.23
How do i put a condition to the above numbers?
e.g
if then
the . seem to give me problems. Pls help.
thanks
---------- Post updated at 05:25 PM ---------- Previous update was at 05:23 PM... (9 Replies)
Hi,
I have a small problem with my script. I have everything in order but it doesnt seem to compare anything less than 1 correctly. If the input is more than 1, then the results is correct.
If the input is 0.xxx (anything) it returns erroneous results. Pls help
input=0.12
if ; then
... (7 Replies)
Hi
I would like to test for a max number value. It may be a decimal so I know I have to pipe into bc.
I just cannot get the syntax for this to work. I cannot get passed an error with the bracket - see below.
Any help appreciated.
Regards
Ewan
This works:
/export/home/ewan> cat... (5 Replies)
For numbers between 0 and 1 the below logic is not working.
Output of above shall be "correct" but its echoing "incorrect".Kindly suggest
a=.1
if
then
echo correct
else echo incorrect
fi
Video tutorial on how to use code tags in The UNIX and Linux Forums. (3 Replies)
Hi!
I found and then adapt the code for my pipeline...
awk -F"," -vOFS="," '{printf "%0.2f %0.f\n",$2,$4}' xxx > yyy
I add -F"," -vOFS="," (for input and output as csv file) and I change the columns and the number of decimal...
It works but I have also some problems... here my columns
... (7 Replies)
Discussion started by: echo manolis
7 Replies
LEARN ABOUT DEBIAN
libcaca-ruby-api
libcaca-ruby-api(3caca) libcaca libcaca-ruby-api(3caca)NAME
libcaca-ruby-api - Libcaca Ruby API
Classes
The classes available for libcaca are :
o Caca::Canvas : functions that have a caca_canvas_t* as first argument
o Caca::Dither : functions that have a caca_dither_t* as first argument
o Caca::Font : functions that have a caca_font_t* as first argument (The constructor can currently only accept the name of a builtin font)
o Caca::Display
o Caca::Event
o Caca::Event::Key
o Caca::Event::Key::Press
o Caca::Event::Key::Release
o Caca::Event::Mouse
o Caca::Event::Mouse::Press
o Caca::Event::Mouse::Release
o Caca::Event::Mouse::Motion
o Caca::Event::Resize
o Caca::Event::Quit
The character set conversion functions are not available yet in the binding.
$ irb -rcaca
irb(main):001:0> class Object
irb(main):002:1> def Object.my_instance_methods
irb(main):003:2> instance_methods.sort - ancestors[1].instance_methods
irb(main):004:2> end
irb(main):005:1> def Object.my_methods
irb(main):006:2> methods.sort - ancestors[1].methods
irb(main):007:2> end
irb(main):008:1> end
irb(main):009:0> Caca.constants
=> ['BROWN', 'BOLD', 'GREEN', 'LIGHTMAGENTA', 'LIGHTBLUE', 'BLINK',
irb(main):010:0> Caca.my_methods
=> ['version']
irb(main):011:0> Caca::Canvas.my_methods
=> ['export_list', 'import_list']
irb(main):012:0> Caca::Canvas.my_instance_methods
=> ['attr=', 'blit', 'clear', 'create_frame',
irb(main):013:0> Caca::Font.my_methods
=> ['list']
irb(main):014:0> Caca::Font.my_instance_methods
=> ['blocks', 'height', 'width']
irb(main):015:0> Caca::Dither.my_instance_methods
=> ['algorithm=', 'algorithm_list', 'antialias=', 'antialias_list',
irb(main):010:0> Caca::Display.my_instance_methods
=> ['canvas', 'get_event', 'height', 'mouse=', 'mouse_x', 'mouse_y', 'refresh',
irb(main):011:0> Caca::Event.constants
=> ['Key', 'Quit', 'TYPE', 'Mouse', 'Resize']
irb(main):012:0> Caca::Event.my_instance_methods
=> ['quit?']
irb(main):013:0> Caca::Event::Key.my_instance_methods
=> ['ch', 'utf32', 'utf8']
irb(main):014:0> Caca::Event::Mouse.my_instance_methods
=> ['button', 'x', 'y']
irb(main):015:0> Caca::Event::Resize.my_instance_methods
=> ['w', 'h']
Samples
$ ruby -rcaca -e 'c=Caca::Canvas.new(6, 3).fill_box(0,0,2,2,'#'[0]);
c2=Caca::Canvas.new(1,1).put_str(0,0,'x'); c.blit(1,1,c2); puts
c.export_to_memory('irc')'
###
#x#
###
$ ruby -e 'puts Caca::Canvas.new(6,3).draw_thin_polyline([[0,0], [0,2],
[5,2],[0,0]]).export_to_memory('irc')'
-.
| `.
----`-
$ ruby -rcaca -e 'p Caca::Canvas.export_list'
[['caca', 'native libcaca format'], ['ansi', 'ANSI'], ['utf8', 'UTF-8
withANSI escape codes'], ['utf8cr', 'UTF-8 with ANSI escape codes and
MS-DOS
'], ['html', 'HTML'], ['html3', 'backwards-compatible HTML'],
['irc', 'IRC with mIRC colours'], ['ps', 'PostScript document'], ['svg',
$ ruby -rcaca -e 'p Caca::Font.list'
['Monospace9', 'Monospace Bold 12']
require 'caca'
c = Caca::Canvas.new(20,10)
c.put_str(2,3, 'plop!')
c.draw_thin_polyline([[0,0],[0,2], [5,2], [0,0]])
d = Caca::Display.new(c)
d.title= 'Test !'
d.refresh
#Redefine Event::Key#quit? so that q, Q, and Esc become exit keys
module Caca
class Event::Key
def quit?
'qQ^['.split('').member?(@ch.chr)
end
end
end
while((e= d.get_event(Caca::Event, -1)) && ! e.quit?)
p e
d.refresh
end
Version 0.99.beta18 Fri Apr 6 2012 libcaca-ruby-api(3caca)