Hello,
Here is a podcast dedicated to learning the terminal on the Mac. It is called
taming the terminal.
https://www.bartbusschots.ie/s/blog/taming-the-terminal/
<https://www.bartbusschots.ie/s/blog/taming-the-terminal/>
There is also a text tutorial for each of the individual podcasts.
Greg Wocher
> On Mar 30, 2020, at 6:40 AM, 'Andrew Lamanche' via MacVisionaries
> <macvisionaries@googlegroups.com> wrote:
>
> Hi Janina,
>
> Just to report that I have just successfully put the info from ls -l command
> into a text file using redirection and the greater than > sign. It’s worked!
> How clever. So exciting! When you use in your description the verb
> “sound”, do you mean send/write content or result of the command into a file?
>
> I think I’d better leave the Homebrew and gawk alone. <smile>. I think you
> meant it for Simon, as he’s obviously very adept at cli already.
>
> I will have to go through your budget example very carefully a few times to
> attempt to understand exactly how it’s done. But it’s impressive as well.
>
> By the way, Janina, how does one run, say, a browser from the command
> line/terminal? It is probably a special browser and once you run it, do you
> access the info on the webpage in the usual way? I’m asking with trepidation
> aware of possibly sounding like a fool.
>
> Best
>
> Andrew
>> On 30 Mar 2020, at 09:40, 'Janina Sajka' via MacVisionaries
>> <macvisionaries@googlegroups.com> wrote:
>>
>> Simon, Andrew, All:
>>
>> Simon is correct. The correct switches will indeed allow you to write
>> the output of any command to a file. This works everywhere, because
>> everybody wants this kind of functionality--whether Mac, Windows, or
>> Linux/Unix.
>>
>> It's called redirection, and it goes one of two ways:
>>
>> Using the greater than symbol, namely '>' you send output somewhere.
>> Using my last example of the env command, here's a command that sounds
>> the output of env into a file:
>>
>> env > my_environment.txt
>>
>> The other direction reads input FROM somewhere.
>>
>> The symbol for this is the less than symbol, i.e. '<' and takes
>> whatever is in the file as input into the command.
>>
>> The uses of this second one are a bit harder for newbies to understand,
>> but trust me, you're going to love it.
>>
>> Here's a quick and dirty example. Unfortunately, you first have to get
>> the gawk command installed, as the script below uses gaw.
>>
>> If you have homebrew, the task is simple:
>>
>> homebrew install gawk
>>
>> Back to an example of indirection: Need to sum your monthly budget? Keep
>> your income and expenses in an ascii text file where the first word is a
>> number. Positive numbers are for income, and negative numbers for
>> expenses: eg.,
>>
>> 1000 weekly check from my boss for working too hard
>> -90 this months utility bill
>>
>> Need comments in your file? No problem. Any first word not a number is
>> just ignored, and you can temporarily even take numbers out of the
>> calculation by commenting them, e.g.:
>>
>> #70 cell phone service--just paid it
>>
>> Now create the following as a script file, meaning take this content and
>> make it executable:
>>
>> <cut here>
>> #!/bin/bash
>> gawk '{ sum += $1 }; END { print sum }'
>> <end script>
>>
>> Bingo, you've got a script in a file, meaning you've got a new command.
>> I call mine 'sumit' as in sum it. So, if my income and expenses are in a
>> file called budget.txt, I can simply do:
>>
>> sumit <budget.txt
>>
>> And hear I've got 910 left.
>>
>> Simon A Fogarty writes:
>>> Hi Andrew,
>>>
>>> Terminal should let you do what your after,
>>>
>>> With the listing of files and if you use the correct switchs you should be
>>> able to write the list of files and associated data to a file
>>> I know it's possible to do this in ms dos and power shell, so I would think
>>> linux etc would do the same thing.
>>>
>>> As for tab complete in the terminal,
>>>
>>> So long as you have the name correct to the point you hit the tab key then
>>> it should work for you.
>>> As long as there is a file or folder name with what your looking for.
>>>
>>> I use it when typing long commands like
>>> Sudo /Applications
>>> At the start of the creation of a bootable Usb flash drive.
>>>
>>> So as long as you have the name correct including any uppercase or symbols
>>> in the name then tab complete should be fine
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: 'Andrew Lamanche' via MacVisionaries
>>> <macvisionaries@googlegroups.com>
>>> Sent: Monday, 30 March 2020 3:22 AM
>>> To: 'E.T.' via MacVisionaries <macvisionaries@googlegroups.com>
>>> Subject: A couple Terminal questions
>>>
>>> Hi,
>>>
>>> When working in Terminal and command line, is it possible to examine the
>>> window content with Voiceover? Say , ls -l command produces a list of
>>> files in the directory I am in. How can I examine each file and maybe even
>>> copy their names to clipboard or details about them if I were to use the -l
>>> flag, which would produce long information about each item.
>>>
>>> Secondly, reading a book on Command Line, one of the shortcut techniques
>>> the author teaches is to start typing the name of a directory to which one
>>> wishes to change and then pressing tab, which would result in Terminal
>>> completing the name or else giving a list of available names if there
>>> should be more than one. This doesn’t seem to work. When I press the tab,
>>> I hear the ominous bong bong. So this technique doesn’t work. Any
>>> thoughts on this?
>>>
>>> andrew
>>>
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>>
>> --
>>
>> Janina Sajka
>>
>> Linux Foundation Fellow
>> Executive Chair, Accessibility Workgroup: http://a11y.org
>>
>> The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
>> Chair, Accessible Platform Architectures http://www.w3.org/wai/apa
>>
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