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TODO:

Create a new "LOL" button, so we can laugh at posts like we give thanks ;)

FYI.

In the future, I will will be sending out a Tweet or two when working on optimizing the site database or other admin tasks which might cause site performance problems.

For example, when...

@itkamaraj: You may want to phrase the arithmetic expansion like $(( (LENGTH+1)%3 )) to become an integer value, and using the mod function on LENGTH will fold back if APPEND passes 1000...?...

Interesting effect when applied to Don Cragun's text example:
awk -vW=30 -vL="Happy New Year" 'BEGIN{for(i=k=1;i>=1;i+=k) {printf("%*.*s\n",(W/2)+i,i*2-1,L);if(i>=W/2)k=-1}}'
H
...

Yes, this is fun. ;)

This isn't quite as compact as Scrutinizer's approach (and calculates each line as it goes instead of memorizing lines), but there are some fun games you can play with this...

That is a good start. The ERE you are using is matching a decimal point followed by two decimal digits (which as you have found only matches lines with exactly two decimal places) at the end of the...

The above command will work with some versions of sed, but the standards don't say anything about the replacement string in a sed substitute command converting \n to a <newline> character in the...

something to start with:

awk '{gsub("[0-9][0-9]*[.]00",RS "&");print}' myFile

Note that I used a Korn shell in post #2 and itkamaraj used bash in post #3. If you use bash, you will need to strip leading zeros from minutes and seconds values 08 and 09. The Korn shell treats...

Sorry, but this code is as unreadable as probably possible. You might want to start by bringing it into a form a human can actually understand.
...

Try also
awk 'FNR == NR {T[$1]; next} {for (t in T) sub (t, _)} 1' file2 file1
Hello
//

*
Hungry

Slight modification of itkamaraj's fine proposal to yield the full required output:
echo "a=5; /* this is a comment */" | sed "s;.*\(/\*.*\*/\);\1;"
/* this is a comment */

Heyas

Wasnt sure where to post, but thought this is most matching.
Thanks to Neo we can now see our IP and much more on: https://www.unix.com/what-is-on-your-mind-/256156-what-my-ip-address.html
...

I think it's best to be a little more verbose when specifying commands like this - especially within scripts. A year later when you come back to look at this (especially since you are asking for help...

The use of the length function is superfluous in this case.

I think you forgot something important for your awk ;)

If you want to reproduce sed's + character to * then try as below
sed 's/@[a-z0-9A-Z][a-z0-9A-Z]*\.[a-zA-Z0-9][a-zA-Z0-9]*/REPLACE/g'

It is kind and generous of you to share your script with the rest of us. Thank you very much.

I have a few observations which may or may not interest you. If they do not, then nevermind me.


...

Ah, very good, thanks.

Have a go with this:

awk '
/property name=/ {
gsub( ".*value=" Q, "" );
gsub( Q ".*", "" );
print;
}
' Q="'" RS="[<>]"

...

The -H option is not in the standards and is not implemented on several UNIX and UNIX-like systems. (I don't think it is available on Solaris 10 systems.)

The -l option not only stops when it...

Must have been a typo.
The quantifier * is for matching 0 or more occurrences of the previous character/expression.

awk -v OFS=, 'NR>4{exit}{gsub("-"," -");print $1,$2,$3+0,$4+0}' OFMT='%.2f' input

perl -lane 'print join " ", sort {$a <=> $b} @F' input.txt

@itkamaraj: Numerical sorting :-)

@methyl: While spaces are obviously not, hyphens are recommended by the Unix standard except as first character.

@guest115:

Unix kernels do not make any limitations in filenames outside two...

@itka, what if there is a file with "total" in the name somewhere? That does not seem hypothetical, whereas the wc "total" line is always the last line...