Friday, June 29, 2018

Re: [LINUX_Newbies] Cant launch IRAF

 

Thanks, Scott. I have just been able to get on to the IRAF discussion
group. Maybe they can resolve this. I will submit your thought, without
your identity of course.
Stan

On 6/27/2018 1:55 PM, Scott scottro@nyc.rr.com [LINUX_Newbies] wrote:
>
> On Wed, Jun 27, 2018 at 01:02:56PM -0700, Stan Gorodenski
> stanlep@commspeed.net [LINUX_Newbies] wrote:
> > I installed a program called IRAF. It came back and said:
> > Congratulations! IRAF has been successfully installed on this system.
> >
> > It then said:
> > To begin using IRAF you can simply type
> > % source ~/.login
> > % cl
> >
> > However, when I executed the first line, i.e. source ~/.login, it came
> > back and said:
> > -bash: /home/stanlepast/.login: line 6: syntax error: unexpected end of
> > file.
> >
> > The .login file has the following statement:
> > # add iraf setup commands
> > if ( -e /home/stanlepast/.iraf/setup.csh) then
> > source /home/stanlepast/.iraf/setup.csh
> > endif
>
> It seems to assume that you are using a C based shell, usually tcsh. That
> has different syntax than bash. Depending upon your distribution, you
> should be able to install csh or tcsh, then change to that shell to
> run it.
>
> I don't know C shell at all, I would guess that the -e means exist, that
> is, if this file exists, then source it.
>
> --
> Scott Robbins
> PGP keyID EB3467D6
> ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
> gpg --keyserver pgp.mit.edu --recv-keys EB3467D6
>
>

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Wednesday, June 27, 2018

Re: [LINUX_Newbies] Cant launch IRAF

 

On Wed, Jun 27, 2018 at 01:02:56PM -0700, Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies] wrote:
> I installed a program called IRAF. It came back and said:
> Congratulations! IRAF has been successfully installed on this system.
>
> It then said:
> To begin using IRAF you can simply type
> % source ~/.login
> % cl
>
> However, when I executed the first line, i.e. source ~/.login, it came
> back and said:
> -bash: /home/stanlepast/.login: line 6: syntax error: unexpected end of
> file.
>
> The .login file has the following statement:
> # add iraf setup commands
> if ( -e /home/stanlepast/.iraf/setup.csh) then
> source /home/stanlepast/.iraf/setup.csh
> endif

It seems to assume that you are using a C based shell, usually tcsh. That
has different syntax than bash. Depending upon your distribution, you
should be able to install csh or tcsh, then change to that shell to run it.

I don't know C shell at all, I would guess that the -e means exist, that
is, if this file exists, then source it.

--
Scott Robbins
PGP keyID EB3467D6
( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

__._,_.___

Posted by: Scott <scottro@nyc.rr.com>
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[LINUX_Newbies] Cant launch IRAF

 

I installed a program called IRAF. It came back and said:
Congratulations! IRAF has been successfully installed on this system.

It then said:
To begin using IRAF you can simply type
% source ~/.login
% cl

However, when I executed the first line, i.e. source ~/.login, it came
back and said:
-bash: /home/stanlepast/.login: line 6: syntax error: unexpected end of
file.

The .login file has the following statement:
# add iraf setup commands
if ( -e /home/stanlepast/.iraf/setup.csh) then
source /home/stanlepast/.iraf/setup.csh
endif

The first line in .login is a blank line and so the sixth line is after
endif. What does this conditional statement do? It seems to be dependent
on what -e does.

I can alternate between two command prompts:
stanlepast@Sky:~$
and
stanlepast@sky:/$

The install program to install IRAF was run in a folder I created called
iraf.v2161 in the directory(right word?) controlled by the
stanlepast@Sky:/$ prompt, the one without the tilde. It lists the
iraf.v2161 folder when I enter the command 'ls'. The .iraf folder in the
file path in the .login file is in the stanlepast@Sky:~$ directory, the
one with the tilde. When I entered the command
source ~/.login
it was done in from the iraf.v2161 folder which is in the
stanlepast@Sky:/$ directory, the one without the tilde.

Should I should have installed IRAS in a folder in the stanlepast@Sky:~$
directory? Is that the reason I cannot get IRAF to run? I'm confused as
to which is the home directory, the one with the tilde or the one
without. The one with the tilde comes up when I boot the machine.
However, when I enter 'cd /' it is supposed to take me to the home
directory and it takes me to is the one without the tilde.
Stan

__._,_.___

Posted by: Stan Gorodenski <stanlep@commspeed.net>
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Tuesday, June 26, 2018

Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

Scott,
I could see that the 'source' command is like an 'execute'. I know there
is a way to permanently mount the USB port (if port is the right word),
but after copying one file from the thumb drive to a file in linux I
have no immediate need to access it now. Remembering
mount /dev/sdb1 USB-1
is not possible and so I created a file with this line in it. I ran
source usbmount.stan
and it mounted the USB port. Very neat.
Stan

On 6/26/2018 2:22 PM, Scott scottro@nyc.rr.com [LINUX_Newbies] wrote:
> On Tue, Jun 26, 2018 at 12:38:11PM -0700, Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies] wrote:
>
>> Thanks Joan, Bruce, Scott, and Ken. ls --color and ls -a --color works,
>> but I have to enter --color all the time. I guess some kind of change I
>> did not want occurred in a file. I will probably have to find it and set
>> it back to what it was using nano.
>>
> You can make your own .bashrc do the alias
>
> In $HOME you should have a file .bashrc with a dot in front of it, That
> means it's a hidden file.
>
> In it put
> alias ls='ls --color'
>
> Then type
>
> source .bashrc
>
>
>> I assume pipe works in other commands, such as cl, besides ls. I had run
>> a cl command and it came up with more than a page full of messages and I
>> wanted to see the beginning.
>>
> Piping works with any command.
>
> You can also usually redirect something to a file to look at later. For
> example ls> list.txt
>
>
>

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Posted by: Stan Gorodenski <stanlep@commspeed.net>
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Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

Thanks, Ken. There is a lot of detailed information in the link you
gave. Some day I might change the colors with the method they give. The
dark blue color for files is hard to see, but for now the following got
me back to where I was.
alias ls='ls --color'
source .bashrc

Stan

On 6/26/2018 4:31 PM, 'Ken (desco) Ramsey ' desco1kr@desco1.com
[LINUX_Newbies] wrote:
> https://www.howtogeek.com/307899/how-to-change-the-colors-of-directories-and-files-in-the-ls-command/
>
> Describes printing, changing values, saving the original file. I have an
> original file if you need it.
>
>
> ..
> On 6/26/2018 3:38 PM, Stan Gorodenski stanlep@commspeed.net
> [LINUX_Newbies] wrote:
>
>> Thanks Joan, Bruce, Scott, and Ken. ls --color and ls -a --color works,
>> but I have to enter --color all the time. I guess some kind of change I
>> did not want occurred in a file. I will probably have to find it and set
>> it back to what it was using nano.
>>
>> I assume pipe works in other commands, such as cl, besides ls. I had run
>> a cl command and it came up with more than a page full of messages and I
>> wanted to see the beginning.
>> Stan
>>
>> On 6/26/2018 11:08 AM, Scott scottro@nyc.rr.com [LINUX_Newbies] wrote:
>>
>>>> From: "Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies]"
>>>>
>>> <LINUX_Newbies@yahoogroups.com>
>>>
>>>> To: LINUX_Newbies@yahoogroups.com
>>>> Sent: Tuesday, June 26, 2018 9:56 AM
>>>> Subject: [LINUX_Newbies] Changing file-folder colors and screen output
>>>>
>>>> I am running the terminal version of Ubuntu. I think this is what
>>>>
>>> it is
>>>
>>>> called. I enter line commands rather than having a gui interface.
>>>>
>>>> Yesterday when I entered 'ls -a' the files and folder names were
>>>> colored, i.g., files were a deep blue. It has always been this way.
>>>>
>>> This
>>>
>>>> morning the print color of files and folders are all white. This makes
>>>> it hard to distinguish files from folders. What happened? On the
>>>> internet the suggestions were to go into a file and modify some
>>>> settings. This seems to be an extreme measure, unless somehow the
>>>> dircolors got corrupted. How can I get back to what I had?
>>>>
>>> You can try ls --color. Perhaps a default preference got changed in an
>>> update or the like?
>>>
>>>
>>>
>>>> As another issue, I think I read somewhere how to control the screen
>>>> display of, say, error messages so that it does not scroll all the way
>>>> to the bottom. When it scrolls all the way to the bottom I cannot see
>>>> the very first top lines if the output is larger than the screen size.
>>>> What do I do to control scrolling?
>>>> Stan
>>>>
>>> The scroll lock key? You can pipe a command that you expect to give a lot
>>> of text to more or less, e.g ls home|more
>>>
>>> This will stop at the bottom of the screen and to continue, you hit the
>>> space bar.
>>>
>>> --
>>> Scott Robbins
>>> PGP keyID EB3467D6
>>> ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
>>> gpg --keyserver pgp.mit.edu --recv-keys EB3467D6
>>>
>>>
>>>
>>
>> ------------------------------------
>> Posted by: Stan Gorodenski<stanlep@commspeed.net>
>> ------------------------------------
>>
>> To unsubscribe from this list, please email LINUX_Newbies-unsubscribe@yahoogroups.com& you will be removed.
>> ------------------------------------
>>
>> Yahoo Groups Links
>>
>>
>>
>>
>>
>
>
>

__._,_.___

Posted by: Stan Gorodenski <stanlep@commspeed.net>
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Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

Thanks, Scott. Adding the alias to the .bashrc file worked. And thanks
for telling how to write the results of a command to a file. That should
come in handy sometime.
Stan

On 6/26/2018 2:22 PM, Scott scottro@nyc.rr.com [LINUX_Newbies] wrote:
> On Tue, Jun 26, 2018 at 12:38:11PM -0700, Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies] wrote:
>
>> Thanks Joan, Bruce, Scott, and Ken. ls --color and ls -a --color works,
>> but I have to enter --color all the time. I guess some kind of change I
>> did not want occurred in a file. I will probably have to find it and set
>> it back to what it was using nano.
>>
> You can make your own .bashrc do the alias
>
> In $HOME you should have a file .bashrc with a dot in front of it, That
> means it's a hidden file.
>
> In it put
> alias ls='ls --color'
>
> Then type
>
> source .bashrc
>
>
>> I assume pipe works in other commands, such as cl, besides ls. I had run
>> a cl command and it came up with more than a page full of messages and I
>> wanted to see the beginning.
>>
> Piping works with any command.
>
> You can also usually redirect something to a file to look at later. For
> example ls> list.txt
>
>
>

__._,_.___

Posted by: Stan Gorodenski <stanlep@commspeed.net>
Reply via web post Reply to sender Reply to group Start a New Topic Messages in this topic (8)

Have you tried the highest rated email app?
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To unsubscribe from this list, please email LINUX_Newbies-unsubscribe@yahoogroups.com & you will be removed.

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Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

https://www.howtogeek.com/307899/how-to-change-the-colors-of-directories-and-files-in-the-ls-command/

Describes printing, changing values, saving the original file. I have an
original file if you need it.

..
On 6/26/2018 3:38 PM, Stan Gorodenski stanlep@commspeed.net
[LINUX_Newbies] wrote:
> Thanks Joan, Bruce, Scott, and Ken. ls --color and ls -a --color works,
> but I have to enter --color all the time. I guess some kind of change I
> did not want occurred in a file. I will probably have to find it and set
> it back to what it was using nano.
>
> I assume pipe works in other commands, such as cl, besides ls. I had run
> a cl command and it came up with more than a page full of messages and I
> wanted to see the beginning.
> Stan
>
> On 6/26/2018 11:08 AM, Scott scottro@nyc.rr.com [LINUX_Newbies] wrote:
>>> From: "Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies]"
>> <LINUX_Newbies@yahoogroups.com>
>>> To: LINUX_Newbies@yahoogroups.com
>>> Sent: Tuesday, June 26, 2018 9:56 AM
>>> Subject: [LINUX_Newbies] Changing file-folder colors and screen output
>>>
>>> I am running the terminal version of Ubuntu. I think this is what
>> it is
>>> called. I enter line commands rather than having a gui interface.
>>>
>>> Yesterday when I entered 'ls -a' the files and folder names were
>>> colored, i.g., files were a deep blue. It has always been this way.
>> This
>>> morning the print color of files and folders are all white. This makes
>>> it hard to distinguish files from folders. What happened? On the
>>> internet the suggestions were to go into a file and modify some
>>> settings. This seems to be an extreme measure, unless somehow the
>>> dircolors got corrupted. How can I get back to what I had?
>> You can try ls --color. Perhaps a default preference got changed in an
>> update or the like?
>>
>>
>>> As another issue, I think I read somewhere how to control the screen
>>> display of, say, error messages so that it does not scroll all the way
>>> to the bottom. When it scrolls all the way to the bottom I cannot see
>>> the very first top lines if the output is larger than the screen size.
>>> What do I do to control scrolling?
>>> Stan
>> The scroll lock key? You can pipe a command that you expect to give a lot
>> of text to more or less, e.g ls home|more
>>
>> This will stop at the bottom of the screen and to continue, you hit the
>> space bar.
>>
>> --
>> Scott Robbins
>> PGP keyID EB3467D6
>> ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
>> gpg --keyserver pgp.mit.edu --recv-keys EB3467D6
>>
>>
>
>
> ------------------------------------
> Posted by: Stan Gorodenski <stanlep@commspeed.net>
> ------------------------------------
>
> To unsubscribe from this list, please email LINUX_Newbies-unsubscribe@yahoogroups.com & you will be removed.
> ------------------------------------
>
> Yahoo Groups Links
>
>
>
>

__._,_.___

Posted by: "Ken (desco) Ramsey " <desco1kr@desco1.com>
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To unsubscribe from this list, please email LINUX_Newbies-unsubscribe@yahoogroups.com & you will be removed.

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Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

On Tue, Jun 26, 2018 at 12:38:11PM -0700, Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies] wrote:
> Thanks Joan, Bruce, Scott, and Ken. ls --color and ls -a --color works,
> but I have to enter --color all the time. I guess some kind of change I
> did not want occurred in a file. I will probably have to find it and set
> it back to what it was using nano.

You can make your own .bashrc do the alias

In $HOME you should have a file .bashrc with a dot in front of it, That
means it's a hidden file.

In it put
alias ls='ls --color'

Then type

source .bashrc

>
> I assume pipe works in other commands, such as cl, besides ls. I had run
> a cl command and it came up with more than a page full of messages and I
> wanted to see the beginning.

Piping works with any command.

You can also usually redirect something to a file to look at later. For
example ls > list.txt

--
Scott Robbins
PGP keyID EB3467D6
( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

__._,_.___

Posted by: Scott <scottro@nyc.rr.com>
Reply via web post Reply to sender Reply to group Start a New Topic Messages in this topic (6)

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.

__,_._,___

Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

Thanks Joan, Bruce, Scott, and Ken. ls --color and ls -a --color works,
but I have to enter --color all the time. I guess some kind of change I
did not want occurred in a file. I will probably have to find it and set
it back to what it was using nano.

I assume pipe works in other commands, such as cl, besides ls. I had run
a cl command and it came up with more than a page full of messages and I
wanted to see the beginning.
Stan

On 6/26/2018 11:08 AM, Scott scottro@nyc.rr.com [LINUX_Newbies] wrote:
>
> >
> > From: "Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies]"
> <LINUX_Newbies@yahoogroups.com>
> > To: LINUX_Newbies@yahoogroups.com
> > Sent: Tuesday, June 26, 2018 9:56 AM
> > Subject: [LINUX_Newbies] Changing file-folder colors and screen output
> >
> > I am running the terminal version of Ubuntu. I think this is what
> it is
> > called. I enter line commands rather than having a gui interface.
> >
> > Yesterday when I entered 'ls -a' the files and folder names were
> > colored, i.g., files were a deep blue. It has always been this way.
> This
> > morning the print color of files and folders are all white. This makes
> > it hard to distinguish files from folders. What happened? On the
> > internet the suggestions were to go into a file and modify some
> > settings. This seems to be an extreme measure, unless somehow the
> > dircolors got corrupted. How can I get back to what I had?
>
> You can try ls --color. Perhaps a default preference got changed in an
> update or the like?
>
>
> >
> > As another issue, I think I read somewhere how to control the screen
> > display of, say, error messages so that it does not scroll all the way
> > to the bottom. When it scrolls all the way to the bottom I cannot see
> > the very first top lines if the output is larger than the screen size.
> > What do I do to control scrolling?
> > Stan
>
> The scroll lock key? You can pipe a command that you expect to give a lot
> of text to more or less, e.g ls home|more
>
> This will stop at the bottom of the screen and to continue, you hit the
> space bar.
>
> --
> Scott Robbins
> PGP keyID EB3467D6
> ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
> gpg --keyserver pgp.mit.edu --recv-keys EB3467D6
>
>

__._,_.___

Posted by: Stan Gorodenski <stanlep@commspeed.net>
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Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

ls | less   Should prove page views    

On 6/26/2018 12:35 PM, Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies] wrote:
I am running the terminal version of Ubuntu. I think this is what it is   called. I enter line commands rather than having a gui interface.    Yesterday when I entered 'ls -a' the files and folder names were   colored, i.g., files were a deep blue. It has always been this way. This   morning the print color of files and folders are all white. This makes   it hard to distinguish files from folders. What happened? On the   internet the suggestions were to go into a file and modify some   settings. This seems to be an extreme measure, unless somehow the   dircolors got corrupted. How can I get back to what I had?    As another issue, I think I read somewhere how to control the screen   display of, say, error messages so that it does not scroll all the way   to the bottom. When it scrolls all the way to the bottom I cannot see   the very first top lines if the output is larger than the screen size.   What do I do to control scrolling?  Stan        ------------------------------------  Posted by: Stan Gorodenski <stanlep@commspeed.net>  ------------------------------------    To unsubscribe from this list, please email LINUX_Newbies-unsubscribe@yahoogroups.com & you will be removed.  ------------------------------------    Yahoo Groups Links    <*> To visit your group on the web, go to:      http://groups.yahoo.com/group/LINUX_Newbies/    <*> Your email settings:      Individual Email | Traditional    <*> To change settings online go to:      http://groups.yahoo.com/group/LINUX_Newbies/join      (Yahoo! ID required)    <*> To change settings via email:      LINUX_Newbies-digest@yahoogroups.com       LINUX_Newbies-fullfeatured@yahoogroups.com    <*> To unsubscribe from this group, send an email to:      LINUX_Newbies-unsubscribe@yahoogroups.com    <*> Your use of Yahoo Groups is subject to:      https://info.yahoo.com/legal/us/yahoo/utos/terms/      

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Posted by: "Ken (desco) Ramsey " <desco1kr@desco1.com>
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Re: [LINUX_Newbies] Changing file-folder colors and screen output

 

>
> From: "Stan Gorodenski stanlep@commspeed.net [LINUX_Newbies]" <LINUX_Newbies@yahoogroups.com>
> To: LINUX_Newbies@yahoogroups.com
> Sent: Tuesday, June 26, 2018 9:56 AM
> Subject: [LINUX_Newbies] Changing file-folder colors and screen output
>
>   I am running the terminal version of Ubuntu. I think this is what it is
> called. I enter line commands rather than having a gui interface.
>
> Yesterday when I entered 'ls -a' the files and folder names were
> colored, i.g., files were a deep blue. It has always been this way. This
> morning the print color of files and folders are all white. This makes
> it hard to distinguish files from folders. What happened? On the
> internet the suggestions were to go into a file and modify some
> settings. This seems to be an extreme measure, unless somehow the
> dircolors got corrupted. How can I get back to what I had?

You can try ls --color. Perhaps a default preference got changed in an
update or the like?


>
> As another issue, I think I read somewhere how to control the screen
> display of, say, error messages so that it does not scroll all the way
> to the bottom. When it scrolls all the way to the bottom I cannot see
> the very first top lines if the output is larger than the screen size.
> What do I do to control scrolling?
> Stan

The scroll lock key? You can pipe a command that you expect to give a lot
of text to more or less, e.g ls home|more

This will stop at the bottom of the screen and to continue, you hit the
space bar.

--
Scott Robbins
PGP keyID EB3467D6
( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

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Posted by: Scott <scottro@nyc.rr.com>
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