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Full Discussion: Finding consecutive numbers in version names on a txt file
Top Forums Shell Programming and Scripting Finding consecutive numbers in version names on a txt file Post 302504088 by fox1212 on Sunday 13th of March 2011 02:41:36 PM
Old 03-13-2011
Quote:
Originally Posted by binlib
Assuming there is only one dash and one dot in the file name, then
Code:
awk '$1==p{print f}{f=$0;p=$1}' FS='[-.]'

Let's see if I read this right, as it's a bit obscure code to me:

Code:
$1==p{print f}  # Print f if $1 is equal to p
{f=$0;p=$1}  # Then store the entire line in f and up to the first dash in p
FS='[-.]'  # Last, select dash and dot as character separators.

Is it so? If it is, then a couple of things: I want to be sure that the numbers are consecutive, and there is more than one dash in the files, but the number is always the last three digits before the dot.

I'll try to work out with this tomorrow, as now I have an idea of where to begin, and post it if I get it working. I'll have to:

* Separate the name in three fields:
khdhdh-ywwwnds-dhs-001.ext

The first would be khdhdh-ywwwnds-dhs
The second 001
the third the extension

* Then compare them the way binlib suggests.

Ok, tomorrow at work I'll give it a try and see what I come with.
 

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LEARN ABOUT LINUX

qmail-local

qmail-local(8)                                                System Manager's Manual                                               qmail-local(8)

NAME

       qmail-local - deliver or forward a mail message

SYNOPSIS

       qmail-local [ -nN ] user homedir local dash ext domain sender defaultdelivery

DESCRIPTION

       qmail-local reads a mail message and delivers it to user by the procedure described in dot-qmail(5).

       The  message's  envelope  recipient  is local@domain.  qmail-local records local@domain in a new Delivered-To header field.  If exactly the
       same Delivered-To: local@domain already appears in the header, qmail-local bounces the message, to prevent mail forwarding loops.

       The message's envelope sender is sender.  qmail-local records sender in a new Return-Path header field.

       homedir is the user's home directory.  It must be an absolute directory name.

       dash and ext identify the .qmaildashext file used by qmail-local; see dot-qmail(5).  Normally dash is either empty or a lone hyphen.  If it
       is  empty,  qmail-local  treats  a nonexistent .qmailext the same way as an empty .qmailext: namely, following the delivery instructions in
       defaultdelivery.

       The standard input for qmail-local must be a seekable file, so that qmail-local can read it more than once.

OPTIONS

       -n     Instead of reading and delivering the message, print a description of the delivery instructions.

       -N     (Default.) Read and deliver the message.

EXIT CODES

       0 if the delivery is completely successful; nonzero if any delivery instruction failed.  Exit code 111 indicates temporary failure.

SEE ALSO

       dot-qmail(5), envelopes(5), qmail-command(8), qmail-queue(8), qmail-send(8), qmail-lspawn(8)

                                                                                                                                    qmail-local(8)
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