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Let's try this for a sed command file. You will need to specify -n before the name of your sed command file.
/-->/ { N
N
s/ *//
s/--//
s/>//
s/TP...

This is as far as I can get:awk '
{getline X
getline Y
$0 = $0 FS X FS Y
sub (/^--> TP *ID: /, _)
FS = "|"
gsub (/ +/, FS)

$1 =...

Hello mad_man,

Could you please try following and let me know if this helps you.
Solution 1st:

awk '/1:F.*2:I/{sub(/.*2:I/,"");print substr($0,1,3)}' Input_file

Solution 2nd:

awk...

Try also
awk 'match ($0, /{1:F.*2:I.../) {print substr ($0, RSTART+RLENGTH-3,3)}' file
103
103
103

perl -nle '/\{2:I(\d{3})/ and print $1' mad_man.example

Is the format of the lines fixed? (That is, will "{1:F" and "{2:I" always appear at a certain column?) If so, you won't even need to search for it.

First, you won't need grep because sed can do...

The real question is not what the region is when the code works or fails, but to what do the expansions of the three shell variables: com_dir, dup_file_name_chk, and save_dir expand when the code...

It is based on the premise that the following structure is true:
A line starting with a digit or more which we want to capture, followed by another line where we would like to split the line into...

Howsoever, would this do: awk '$NF == "DISK" {$NF = ""; X = $0; getline; $1 = ""; $0 = X $0; print}' file
144185 qqr8ot6l_1_1
144186 ukr8pf2e_1_1
144187 ter8p9gc_1_1
144188 4er8qb84_1_1

What be the actual lengths of your lines?

Hello mad man,

Not sure but the Input_file which you have shown doesn't have any line whose length is more than 1330, so if you are using same Input_file I don't think so it will show any output....

You're talking of <newline> chars, not <carriage return>?

Try awk '{while (length < 1330 && getline s>0) $0=$0 " " s}1' file

I would be happy to help you!

So, exactly what pathname should this single output file have?

What good is this file going to be given that the script that will be reading this file can only...

I sincerely apologize. In each case, the output file you got had a filename derived from the 2nd field (i.e., the data between the 1st and 2nd tildes which seems to be a constant for the...

Realize that I have been up all night trying to help you (and it is now almost 6AM where I am), so I may not be thinking clearly. But, could you please explain why you chose to change the code I...

Try this adaptation of RudiC's suggestion and Don's adaption for proper shell quoting on AIX:
sed -n "
/~$transnum~/ {
H
g
}
/~$transnum~/,/EOT/p
h
" file

---


Not so much 2047 bytes,...

I don't think I can do better than what I have already offered. With an input file of three similar records with different transnums, it extracts the desired one:
transnum=ABC160120XYZ0983920
sed...

That sed works with your sample data as specified, it extracts exactly that record from a set of different records.
The data structure is NOT what you posted earlier. E.g. the transnum is not the...

The sed script as provided was tested and worked for me, as is on Linux, with Don Cragun's semicolon inserted on FreeBSD.
So, how about
- supplying meaningful samples of input data (as requested...

How about sed -n '/~transnum~/ {H;g}; /~transnum~/,/EOT/p;h' file

Extracting the first transaction only.
perl -ne 'print if /^##transaction\b/ .. /EOT$/; last if /EOT$/' mad_man.example
##transaction, , , ,blah, blah
%%blah~trannum~blah~blah~blah
0000content01...

It looks like Scrutinzer's suggestion should work just fine as long as:

trannum does not contain any characters that are special in an ERE, and
the number of bytes in a single transaction (from...

Try something like:
awk '{p=p $0 RS} /EOT/{if(p~s)printf "%s",p; p=x}' s='~trannum~' file

In addition to what RudiC already said, if every transaction contains the literal line:
%%blah~transnum~blah~blah~blah
how do you know which transnum set you want? We might guess that blah isn't...

Please use code tags as required by forum rules, and please show your attempts so far as well. Is above the exact file structure? No empty lines? Is "EOT" exactly this string? Or a token/control...