is it possible to escape the \ character in sed?
right now I'm trying to replace all occurances of \ with \\
sed \"s|test|test_replacement|g\" file1 > output; #this works fine
sed \"s|\\|\\\|g\" file1 > output; #this generates the following error:
sed: -e expression #1, char 17:... (1 Reply)
I want to replace a string which contains "/" in vi but what is the escape character for forward slash?
e.g. I have a text file with the contents below and I want to replace "/Top/Sub/Sub1" with "ABC".
/Top/Sub/Sub1
The replace command I am using is ... (4 Replies)
Hi
I'm trying to split a dir listing
eg
/home/foo1/foo2
I'm using ksh
I've tried
dir=/home/foo1/foo2
splitit=`echo $dir | awk -F '\/' '{print $1}'`
echo $splitit
nothing is output!
I have checked the escape character. The only one I have found is \
BTW `pwd` | awk -F \/... (8 Replies)
Hi ,
I want to change space to ' in my script.
I tried doing this,
sed 's/ /\'/g' filename
but i could not get it.
can some one help me please.
Thanks,
Deepak (4 Replies)
Hello,
I wanted to display command with echo like this in tcsh.
output should be "//'test.test1.test2'"
(" at both ends also required in output)
Please help me. (1 Reply)
Hello experts
I am trying to write a shell script which will add ' ' to a unix variable and then pass it to oracle for inserting to a table.
I am running the script as root and I have to do a su -c .
The problem is the character ' is not recognised inside sed even after adding escape... (1 Reply)
I want to know how to, given a string like W87151WR71C, if the 4th and 5th character (in this case 15) are greater than 45, then to add 1 to the 3rd character (in this case 7) and assign the revised string the variable name MODSTRING.
Thanks in advance. This is ultimately to grab info from... (6 Replies)
Hi all,
I've got a problem with sed. Want to use it to add escape character \ before $ and ' symbols so
condition='1'$some will become condition=\'1\'\$some
echo "condition='1'$some" | sed 's/\($\)/\\\1/g'
is not working properly. Can somebody help me with this please?
Regards,... (7 Replies)
i have string as below
str=".<date>"
in which i need to replace < with /< , when i tried with sed , got the output.
--> echo $str | sed 's/</\\</g'
.\<date>
when i tried to assign it to a variable , i am not getting the same
--> a=`echo $str | sed 's/</\\</g'` ; echo $a... (4 Replies)
Hi,
How to use * in call to pl/sql block from shell script?
The line "select * from" is causing all files and directiores to show up in email notification but if I give all column names then it works,
Please let me know how to use '*' instead of giving all column names, in other wirds how to... (2 Replies)
Discussion started by: sandy162
2 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)