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Noted and agreed. It may not be apparent but I am working very hard on this. And your experience and guidance is not taken for granted or unappreciated. I will keep all suggestions in mind.

Thanks

You are very right. Perfectly understood I will do that in the future. Not that it makes any difference but I didn't even know that something like that was possible. Unix for DUMMIES, remember? I...

Honestly, I didn't but I found a perl one-liner to recursively delete the unnecessary lines before running the script you suggested perl -i -pe "chomp if eof” */*

Now I am trying to substitute -...

...and there is..

Awesome!

Thanks again

---------- Post updated 06-19-16 at 09:50 AM ---------- Previous update was 06-18-16 at 11:37 PM ----------

An extra out-of-sequence record appears at the end of every...

A yearly output file in addition to the monthlies would be fantastic. I believe it is Option #3.

Thank you

Oh, this is perfection beyond belief! Thank you!

Is it possible to concatenate all the .txt files of a single year into a single file?
For example, all below files into one CPK2004.txt file?
...

Hello,

Re kernel please see below:
Spiross-MBP:AIRTEMP spirospap$ uname -a
Darwin Spiross-MBP.fios-router.home 15.5.0 Darwin Kernel Version 15.5.0: Tue Apr 19 18:36:36 PDT 2016;...

I simplified the request. Thanks for the comment and the printing suggestion although it doesn't produce the desired result.

Hi Folks,

I have below files in one directory:

Spiross-MBP:AIRTEMP spirospap$ ls -1
CPK2004001
CPK2004002
CPK2004003
etc...
JFK2003001
JFK2003002
JFK2003003
etc...
TEB1999001...

You are correct. This works perfectly

Thank you very much.

This will delete the .txt, .tar and .tif files as well and these have to survive.

I listed an example with all the files with their extensions in the original message.
The files to be removed end with r without dot and others end in t without dot.

Thank you

The complication is that .txt and .tar files need to stay.
This command selects also the .tif, .txt and .tar files that are necessary.

Thanks

Hi folks,

I have several directories with multiple files of all kinds in them. For example
directory ###### contains:

######B1.TIF
######B2.TIF
...........
######B8.TIF
######.tar...

Oh -that's neat!


spirospap$ cat tester1
#!/bin/ksh
ls LC* | cut -c 1-21 | sort -u | xargs mkdir -p
for dir in */
do for file in "${dir%/}"?*
do [ -f "$file" ] && mv -v "$file"...

Yes, this works perfectly also but originally the empty directories are not there. I create them using code below

#create filename list text
$ls -1 directory/filter* > names.txt
#get first 21...

Works perfectly

Thanks!

Hi,

In a parent directory there are several files in the form
IDENTIFIER1x
IDENTIFIER1.yyy
IDENTIFIER1_Z, etc
IDENTIFIER2x
IDENTIFIER2.yyy
IDENTIFIER2_Z, etc
IDENTIFIER3x
IDENTIFIER3.yyy,...