I'm not very familiar with the ssh command. When I tried to set a variable and then echo its value on a remote machine via ssh, I found a problem. For example,
$ ITSME=itsme
$ ssh xxx.xxxx.xxx.xxx "ITSME=itsyou; echo $ITSME"
itsme
$ ssh xxx.xxxx.xxx.xxx 'ITSME=itsyou; echo $ITSME'
itsyou
$... (3 Replies)
Hello,
I am trying to learn Networking Programming in C in unix enviorment. I want to know how good it is to become a network programmer. i am crazy about Network programming but i also want to opt for the best carreer options. Anybody experienced Network Programmer, please tell me is my... (5 Replies)
Hi guys, I have a sed line in double quotes which works fine, but I want it to be in single quotes
here is the sed line
sed "/abc_def/s/\'.*\'/\'\${abc_def}\'/"
can some one give the equivalent to the above script in single quotes
Thanks a ton (5 Replies)
Unix superusers,
I am new to unix but would like to learn more about grep. I am very familiar with regular expressions as i have used them for searching text files in windows based text editors. Since I am not very familiar with Unix, I dont understand when one should use GREP with the... (2 Replies)
Hello. I'm trying to write a bash script that uses GNU screen and have hit a brick wall that has cost me many hours... (I'm sure it has something to do with quoting/globbing, which is why I post it here)
I can make a script that does the following just fine:
test.sh:
#!/bin/bash
# make... (2 Replies)
Hello.
I like Linux and C programming language. Allways wanted to understand kernel and become a Linux system programmer. And I also like Objective-C and iOS. These two programming areas have relations:
1. Linux and iOS are UNIX-like systems, POSIX compliant.
2. It is useful to know C language... (2 Replies)
Hi,
Trying to change the prompt. I have the following code.
export PS1='
<${USER}@`hostname -s`>$ '
The hostname is not displayed
<abc@`hostname -s`>$ uname -a
AIX xyz 1 6 00F736154C00
<adcwl4h@`hostname -s`>$
If I use double quotes, then the hostname is printed properly but... (3 Replies)
Hello everyone,
I am working on a file with thousands of lines and instead of manually removing them I need a script to remove quotes within quotes. For example a line may have something such as this:
"Hey, I was ready to go on stage or "break a leg", but I failed miserably."
So I need to... (15 Replies)
Hi All,
I'm unable to load the data using sql loader where there are double quotes within the double quotes As these are optionally enclosed by double quotes.
Sample Data :
"221100",138.00,"D","0019/1477","44012075","49938","49938/15043000","Television - 22" Refurbished - Airwave","Supply... (6 Replies)
Discussion started by: mlavanya
6 Replies
LEARN ABOUT MOJAVE
canvas_zoom
canvas::zoom(n) Variations on a canvas canvas::zoom(n)
__________________________________________________________________________________________________________________________________________________NAME
canvas::zoom - Zoom control for canvas::sqmap
SYNOPSIS
package require Tcl 8.4
package require Tk 8.4
package require snit
package require uevent::onidle
package require canvas::zoom ?0.2.1?
::canvas::zoom pathName ?options?
_________________________________________________________________DESCRIPTION
This package provides a widget to enable the user of a map display to control the zoom level.
API
::canvas::zoom pathName ?options?
Creates the zoom control widget pathName and configures it. The methods and options supported by the new widget are described in the
following sections.
The result of the command is pathName.
OPTIONS
-orient
The value for this option is either vertical, or horizontal, specifying the orientation of the major axis of the widget. The default
is vertical.
-levels
The value for this option is a non-negative integer. It specifies the number of zoom levels to support.
-variable
The value for this option is the name of a global or namespaced variable which is connected with the widget. changes to the zoom
level made the widget are propagated to this variable, and in turn changes to the variable are imported into the widget.
-command
This option specifies a command prefix. This callback will be invoked whenever the zoom level is changed. It is called with two
additional arguments, the zoom control widget, and the new zoom level, in this order.
METHODS
The widget supports no methods beyond the standard (configure, cget, etc.).
KEYWORDS
zoom
canvas 0.2.1 canvas::zoom(n)