Ubuntu :: What Is Loop For In Command Line?

Aug 23, 2010

what does desktop manager do? What does $ do? what is loop for in command line? What is the best way to switch user? Using command line?

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Fedora :: Run Python3 Scripts From Command Line And Call Up Python 2.6.2 Idle With The Command Idle From Command Line?

May 29, 2010

i've gotten my fedora 12 to the point where i can run python3 scripts from command line and can call up python 2.6.2 idle with the command 'idle' from command line. what command will call up python3 (3.1.2 to be exact) idle?

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Programming :: Bash For Loop - All Responses On One Line

Nov 18, 2010

I'm writing a mass snmp toner check which polls any toners available to be snmp polled, however when using a loop statement I get the results on different lines; which sounds good, however the tool I use to check with (nagios) ignores the new lines.

Is there any way I can get the output on one line? Also, I need to raise a fault if any of the toners are below a specific level (with nagios you raise faults with the exit code) - any way I can do this without exiting the loop. Code below with bits and bobs commented out.

Code:
check_ink_levels ()
{
for ID in $INKS
do

[Code].....

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Programming :: While Read Line - Doesn't Work With Ssh In The Loop Body

Mar 26, 2010

I am trying to read the names of hosts from a file and do a ssh to see if processes are all running or not.

Here is the outer loop that is causing problem:

hosts.lst is a text file that has the host names in each line.

The problem is that the loop just breaks after the first run. Somehow while read line becomes invalid when the body of the loop does the ssh and returns.

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Ubuntu :: Port A Command Output To A While Loop?

Oct 3, 2010

How can I port standard out from ls or any other command into a while loop?

Code:
while read line
do

[code]....

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General :: Getting The While Loop To Execute In The Ssh Command?

Jun 15, 2011

I am having trouble getting the while loop to execute in the ssh command:ssh $USERID@serverX "while read line do echo $line done<$list_dir/cost_feed.lst.old"Error:bash: -c: line 1: syntax error: unexpected end of fileI have managed to use simpler commands with ssh like:ssh $USERID@serverX "pwd; cp x y"I expect that I need to add some combination of escape characters or semicolons

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General :: Write A Loop Command For Pdf2djvu?

Jun 25, 2011

How do I write a loop command to periodically check a given folder and then create a djvu file from any pdf it finds.pdf2djvu works great but I'm looking to set up a "hot folder" for general office staff to use.

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General :: Feeding A While Loop With A Command Output?

Apr 25, 2011

I am posting this just for the sake of curiosity. I am trying to feed a while loop structure with a command output, but using the bash built-in I get the error "ambiguous redirect":

Code:
while read line
do

[code]....

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Software :: Use Command Line To Split A Single-lined XML Into A Multi-line XML?

Dec 9, 2010

I have a many text files that have XML tags all shoved into 1 line. I want to create a new file that splits each XML tag onto a new line. code...

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General :: Command Line Way To View A Line Of A File With Context?

Feb 24, 2011

I'd like show a certain line or lines of a file with context, kind of like a unified diff, on the command line in Linux:

$ (something) -l 154 stuff.py
150: def foo(bar):
151: """

[code]....

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General :: Printing Command Line History Without Line Numbers?

Aug 22, 2011

How can I print Linux command line history without including the line numbers? I want to send it all to a text file like this:history >> history.txt

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General :: Writing A Command (for Loop) That Would Ping A Class C Subnet?

Nov 4, 2010

how to write a command (for loop) that would ping a Class C subnet to make it so that it only replies once and does not show the statistics?

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Programming :: Shell Scripting Loop Error Yal2361: Command Not Found?

Jul 22, 2011

I have written the following script in my linux server to add users for LDAP database.But i can't able to run this.

The script is as following

#!/bin/bash
echo "Mention the username which you want to convert LDIF format"
read username
if ["$username" -e "/ldiffile/passwd"]; then
echo "Username already exists"
else
cat /etc/passwd | grep -i "$username" >> /ldiffile/passwd
fi
The output which i got :
. ldapadd.sh
Mention the username which you want to convert LDIF format
yal2361
-bash: [yal2361: command not found

please let me know where need to change and what

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General :: Ubuntu 10.10 And Command Line Scripts - Error - Android: Command Not Found

Mar 26, 2011

I know my way around MS Windows much better, but I just don't feel right trying to program something for Android on a Microsoft operating system. I am interested in Android programming so I followed the instructions on [URL] to install the environment on my computer...

I just installed the JDK, SDK, Eclipse successfully (or I assume):

* When I get to Step 4 where I'm supposed to run 'android' it will not run. I get the error message "android: command not found" (I am definitely in the right directory).

** When I double-click it in nautilus, it opens up in gedit. I can set the permissions in nautilus (through the properties - Allow executing file as a program) and get it to work,

My system:

Intel i7
Ubuntu 10.10 Maverick Meerkat
android-sdk-linux-x86
eclipse 3.6.2

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Ubuntu :: Is Command Line Invocation Of Gnome-terminal To Run More Than One Command

Feb 17, 2010

how to pass something more than a one-command startup for gnome-terminal. I will give an example of what I'm trying to do here:

Code:

#! /bin/bash
#
#TODO write this for gnome and xterm

[code]....

This same error occurs if the gnome-terminal line is changed to

Code:

gnome-terminal -e mcTerm

Is there any way to pass more than one command on to gnome-terminal? I have tried various single and double quoting senarios and in a final attempt, I abstracted to an exported function all to no avail. Perhaps even though gnome-term is better at many things than xterm, xterm trumps it in this instance.

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General :: Bring Back The Command Prompt When Running An Infinite-loop Containing Program?

Jan 13, 2010

When running a program that has infinite loops in the terminal , how to bring back the command prompt ? ( I'm using Fedora core 5 )

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Programming :: Effect Of Using Eval To Execute A Command As Opposed To Writing It On The Command-line?

Jun 18, 2010

Code: cmd='date | wc'

$cmd If this script is executed, an error is generated. The reason written was that "The execution fails because the pipe is not expanded and is passed to date as an argument".What is meant by expansion of pipe. When we execute date | wc on the command line, it goes fine.then | is not treated as an argument. Why?

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General :: Access The Dbxml From The Command Line And It Returns Command Not Found?

Apr 30, 2011

I installed the Berkeley DB on the Ubuntu server and tried to access the dbxml from the command line and it returns command not found

path/to/dir/dbxml-2.5.16/install/bin$dbxml
-bash" dbxml: command not found

Can someone point me in the right direction

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Software :: Command Line: Chown Command Recursively On Invisible Directories?

Oct 25, 2010

I tried

Code:

chown -R owner:group *

which does not work on the invisible directories (why?). When I used ".*" as wildcard it changed all (visible) files including the parent directory (the one I was currently working in which is the "dot") . I can change the invisible directories owner and group using dophin but how is it done from the command line?

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General :: For Loop Or While Loop To Read The Fields Of A File?

Sep 1, 2010

I have a mytext file with month and year as two separate fields. likemytext fil

08 2010
09 2010
10 2010
........
........
........

I want to read the values of each field i.e., month and year into an awk script.

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Programming :: Command Line Invocation Of Gnome-terminal To Run More Than One Command?

Feb 16, 2010

I am trying to learn how to pass more than a one-command startup for gnome-terminal.

I will give an example of what I'm trying to do here:

Code:
#! /bin/bash
#
#TODO write this for gnome and xterm
USAGE="
${0##*/} [-x] [-g]
code....

However, running with the -g option to invoke gnome-terminal, I get a "There was an error creating the child process for this terminal" error.

This same error occurs if the gnome-terminal line is changed to

Code:
gnome-terminal -e mcTerm

Is there any way to pass more than one command on to gnome-terminal? I have tried various single and double quoting senarios and in a final attempt, I abstracted to an exported function all to no avail. Perhaps even though gnome-term is better at many things than xterm, xterm trumps it in this instance.

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Programming :: Convert This Awk Command From Command Line Into An Awk Script ?

Oct 15, 2010

I'm trying to convert this awk command from command line into an awk script, but just cannot get it to work:

This is what i have after my BEGIN

Am i missing something here? this just prints out the count for everyline, not counting lines on 5th field that match 'A'

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General :: Write <Esc> In The Vim Command Line (:vim Command)?

Jun 24, 2011

how do you write the ASCII character #27 in the vim command line?

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Software :: Command Line Cd Command Not Working Right

May 4, 2010

Using netbook asus 1005ha with lucid beta 1 with most of updates on learning to use the CLI and headaches cd command does not seem to reconise directories here is a sample

Code:

yeh i know read the f#####g manual i am but any help would be greatly accepted tried sudo with same commands same problem did have a problem on my debian system that was to do with paths this is not the same on a different footnote anyone thinking of upgrading to lucid sit tight on 9.10 there are still to many issues that need ironing out for a system that is your main system.

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Ubuntu :: How To Do Everything From Command Line

May 8, 2010

How can we do everything, or as much as we can do, from the command line? In particular, I am trying to get rid of the top panel in Ubuntu. Because,

1) It takes unnecessary valuable space.
2) Even if I use a huge monitor, it introduces distraction to me while working.

I created a shortcut so that with a single keyboard key I can open a terminal. For example, if I want to restart the computer, I use: "sudo shutdown -r now". Or I can even create a shorter alias. So I do not need the logout menu. But my problem is, some programs put an icon on the top panel when they are working. So, what is the best way of using command line, and getting rid of the top menu.

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Ubuntu :: 7-zip Still Command Line Only?

Sep 5, 2010

I was wondring if 7zip still only runs in the command line. I searched and got a bunch of old threads like this: [URL].. but I'm not sure if that has changed since 2007. A GUI would be awesome.

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Ubuntu :: How To FTP Using Command Line

Sep 17, 2010

I have a virtual private server that I SSH into. While I am using SSH, I need to be able to FTP from command line to another server. I want to do this in the easiest most sure way possible. (I am not using my real IP below for security.) I have tried the following commands.

sftp 10.99.99.99
ssh: connect to host 10.99.99.99 port 22: No route to host
Couldn't read packet: Connection reset by peer
ssh 10.99.99.99
ssh: connect to host 10.99.99.99 port 22: No route to host

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Ubuntu :: No Command Line / Get That?

Dec 7, 2010

About two months ago I upgraded my dual boot Linux-x86-64 Vista from Heron to 10.04 Lucid. Initially everything worked fine including wireless etc. Once I accidentally changed a few /etc permissions which caused a problem, but fixed it going into recovery mode. For the past weeks, I only used the windows. Over the weekend I tried logging into Ubuntu, the gnome would not come up. So, I went into recovery mode and typed "sudo apt-get update && sudo apt-get upgrade" which also went through. However, after that I lost the recovery options. I had used that command very successfully in the past. Right now, I have no command line that would allow me to type something. I was wondering if there are any keys Alt+Del + something that would give me a prompt I can work with. I'm totally baffled as to how this can happen.

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Ubuntu :: Run Jar With Command Line?

May 10, 2011

I have installed java runtime and I need to run jar file,Im not using gnome desktop,so I need a command to run it.Im using fluxbox.

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Ubuntu :: Log In To Command Line?

Apr 3, 2011

I installed Ubuntu 10.10 some time back and what I encounter is that for the first time that I log in it shows graphical interface but from the 2nd time onwards it goes straight to the command line. I have tried few things which were I found out on other forums but nothing seems to be working. how can I log in to GUI rather than command line.

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