Two Powerful Command Line Utilities 'cut' And 'tr'
ฝัง
- เผยแพร่เมื่อ 25 ก.ค. 2024
- Recently, I've made videos on command line utilities like 'awk' and 'sed'. In this video, I cover two powerful command line utilities--'cut' and 'tr'. The 'cut' command removes sections from each line of a file. The 'tr' command translates or deletes characters from standard input.
REFERENCED:
► linux.die.net/man/1/cut
► linux.die.net/man/1/tr
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I wouldn’t even know how to find these utilities so continuing this series of videos is actually heartwarming
To learn more about these types of utilities, you can run “ls /usr/bin” to find pretty much any program that I assume DT will talk about. There will likely be a lot of programs here, but you can run “man [program]” to find out what it does (most, if not all of these programs should have man entries). For example, if you run “ls /usr/bin”, you will see “tr” come up as a result. So you can run “man tr” which will show a bunch of information on the TLDR of its purpose, and how to use it
This video is fantastic! It's dynamic, full of concrete information, and moves quickly without losing clarity. It strikes a perfect balance, delivering content comprehensibly without rushing through it. Please continue sharing more videos on Linux commands and their combinations!
these kinds of videos are much better than constantly reviewing new distros
I never use cut because of the deep dive into awk but had to learn it so I could decipher other peoples scripts. This was informative on what the limitations are for the cut command as I was unaware of how the extra spaces could throw off cut.
Yes please continue. I enjoy all of your videos. Thank you so much.
This series you are doing DT is awesome, especially if someone is interested in shell scripting. These techniques even though basic are quite powerful when complemented with the power of shell scripting. Please continue with this series. Thank You.
these series are legitimately good. keep them coming, DT!
These series are awesome! Please continue!
very good episode bro. love your work
really enjoying this type of videos. Would love to see more.
I love this new series of videos. Thank you
Thank you for these series....really very helpful 👍
beautiful work DT
I definitely like this series, this is a super back to basics series.
Thank you! Very good videos. Keep it up.
Thank you so much and please keep up your great job .... THUMBS up as usual
Just keep it up -- good vids.
You should do something like a quick fire overview of utilities like shuf, tac, nl etc most people could use these but won't know about them!
My mind was blown when I found out about tac
@@marco7centurion yeah, using it for a few days now as well... ls -lt lists file by mod-date... when i want them sorted the other way around i use "ls -lt | tac" :-D
@@agenttank Hmm, I find "ls -ltr" easier to type.
@@scyth2 oh thanks
precise and on-point video. thank you!
Thank you Sir. You are being concise and to the point.
Yes, you should continue. Very helpful information.
thank u very much it was really helpful
Thanks a lot , DT. ☺️
Not even finished viewing the video, and still say, "Nicely done! You neatly avoid the (usual) UUOC seen in many UNIX/Linux primers."
Awesome! Thanks!
DT... Yes please continue.
Thanks for the video!
LLAP
Very userful tutorial
Super useful. Cut is going to ‘cut down’ my use of awk 😅
Thanks again now I really understood Unix means do one thing and do it well.
Good work. Teaching other than just entertaining.
I think its great to have a reminder of the great tools that most have on their computer already
Fabulous ❤
Yes Walmart gave lessons of this the other day on my Chromebook 😁
@DistroTube I enjoy these videos on old-school Unix tools like cut, tr, awk, sed, etc. Have you had a chance to learn ‘sort’ and ‘uniq’?
Do sort and uniq really need an explanation video though?
@@SkyyySi sure, why not? What may be easy for us may be challenging to others. Also, DT has made videos on many entry-level topics. I mention sort and uniq specifically, because they’re powerful and easy to learn, yet often overlooked.
Yea, I'll probably do sort and uniq. Probably throw shuf in there too.
@@DistroTube good call on shuf. I’m _really_ digging these command line videos!
Nice!
Useful
I would have included "paste" in this video since it's basically the inverse utility of "cut". I also think "paste" is a very useful and often overlooked utility.
Yeah very nice. I use paste for making a database file from many curls. It is awesome. And does my work like a charm. And i can acess them through awk or i can make markdown tables with sed
linux: everything is a file
linux commands: everything is a text processor
Please, continue.
big fan
This basics are great, do one of "patch"
Can you made a video about removing/printing all duplicate lines?
It is often needed when a sorted file has to be cleared of duplicates.
great
i dare you to make a video [or a series] on linux from scratch
This is weird but could you make a video about how to make our own dotfiles?
Can you make a video reviewing Andronix?
You make a video on 'cut' but leave out 'paste'?
Ehy @DistroTube, can you make a video about that is happening with Audacity please?
Hey dt how about a video for voice command linux programing or show case. I thing it would be a cool video
sed could probably do something approximating classes with regex
do a video on the "rename" command
really like this video but would like to note that sed would can pretty much do what tr did through basic regex knowledge for example you can replace lower case to upper case with this command:
*echo "This is a line of text" | sed 's/[a-z]/\U&/g'*
and upper to lower with this one:
*echo "This is a line of text" | sed 's/[A-Z]/\L&/g'*
you could also replicate the compliment function with the carrot symbol ^ inside square brackets like so:
*echo "this is some text and numbers 1234" | sed 's/[^0-9]//g'* (This means that anything that is not a digit replace it with empty string)
but of course using tr for these tasks would probably be a better idea
It’s about writing a more readable solution
@@ashokg4008 I was just pointing out that sed can probably do anything with proper knowledge of regexes
What's that 'command not found' processor that printed 'Roses are red'?
gitlab.com/dwt1/bash-insulter
That's awesome. If you're planning a video on shell scripting - maybe use this as an example.
11:02 rose are red. violets are blue. I have five fingers. an the middle is...*🤣🤣🤣🤣🤣
ctrl+l to clear the screen
"ThIs Is A lInE Of tExt"
DT hair config pls
Go to a barber and ask for "bald"
hair bloat
Imagine paring this with a db!
for passwords I would use [:graph:] rather than [:print:]
Just use regex
Good stuff! Here's a 'tr' that does a rot13 on text:
tr 'a-zA-Z' 'n-za-mN-ZA-M'
Nice!