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A few observations about programming habits and programming in general:

I think the real difference between naive and non-naive (clever) programming is not so much to make (or make not) use of a...

I have spent far more time fighting javascript than using it. It forces you into a very rigid interactive browser based path, as well.

If you ever need to automate anything, debug anything -- if...

Please use search option, many posts are repeated on forum

https://www.unix.com/302921239-post3.html

A single awk command could do this more efficiently, but I find the logic easier to express with a couple of sort commands, one uniq command, and a read loop in the shell...
#!/bin/ksh
last_gene=""...

Hi, another one to get you started:

The code needs to modified still to print the highest number of connections rather than only the number of connections...

awk's associative arrays are nice...

Trysed -E 's/(...)./\1*/; :A s/
[^*]/**/; tA' file2
aba*****
cdc*******
efe******

For legibility I've used the -E (= -r) option so the parentheses etc. don't need to be escaped.

Please use code tags as required by forum rules!

awk -F, # run awk and set field separator char
' # quote the entire script
NR==FNR...

I'm happy to recycle any discards. I currently drive a Nokia 3410 (http://upload.wikimedia.org/wikipedia/commons/a/ab/Nokia3410.png)

It's a phone. It can text and it works. Loads of folk here...

Very good points. In response, I will do the following:


I'll move the Thanks button to the far left where it stands alone to make it more noticeable. (DONE)

I'll add a bottom guideline...

There is a related thread in this subforum:
https://www.unix.com/what-is-on-your-mind-/141344-how-can-we-increase-size-our-community.html
Whatever solution is put in place, I think it should be...

I have a data file similar to this (but many millions of lines long). You can assume that it is totally unsorted but has no duplicate rows.

Date ,Tool_Type ,Tool_ID ,Time_Used...

I have a weird issue going on with the join command...
I have two files I am trying to join...here is a line from each file with the important parts marked in red:

file1:...

One thing that comes to mind is the possibility for embedded <CR> and/or <LF> characters.
Can you create simple one-line files (manually typed, or carefully cut/paste) and verify that this is not...

Today I was reading some posts/news in efytimes.com, in that I found one post useful post, and felt it's good to post here so that if any more such commands are there then we can discuss.

Here...

Your script looks like at least two different people have been working on it.

Your specification does not say what should happen if both bad STATUS codes are found for a single ID and INDEX. The...

Does this help?
#!/bin/ksh
awk '
NR > 1 {# For all lines except line 1 (which contains headers; not data), loop
# through the 2nd field and increment the number of times the six
...

Remember this thread (https://www.unix.com/what-your-mind/161108-unix-linux-used-space-exploration.html) from a few years ago? What a difference just a few years make!

Those laptops I mentioned...

Believing its difficult makes it difficult!
There is no such thing like code learning, learning algorithms yes...
You learn progamming, progamming languages...
Then you write your own or correct...

Funny org charts for Apple, Google, Microsoft, Oracle, Amazon and Facebook.

https://www.unix.com/picture.php?albumid=112&pictureid=613

pesky awk-s - don't flush output unless you explicitly close the pipped cmd
awk 'NR % 2 {print;next}; {print | "rev";close("rev")}' myfile

# for every EVEN line
!(FNR%2) {
# initialize a...

Bash version >= 4 supports case modification (http://wiki.bash-hackers.org/syntax/pe#case_modification) operations:

In lower versions you can use tr instead. Here is an example:
NAME="FIRST LAST"...

You asked a lot of questions in one and i can't answer them all (a forum is simply not the right place to teach someone - a good book is better suited for that). I will try to give you some starting...

The TED talk (Technology Entertainment Design) non-profit initiative started many years ago as a platform for sharing knowledge to a wide audience. Since 2006 the talks are available online under a...

I think this is interesting, and would be willing to participate if it was about shell scripting. If you look at reddit.com/r/dailyprogrammer and take their model but limit it to bash / linux I...

The Advanced Bash-Scripting Guide has some exercises (http://www.tldp.org/LDP/abs/html/exercises.html).