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Top Forums Shell Programming and Scripting Joining multiple files tail on tail Post 302708709 by kayak on Tuesday 2nd of October 2012 05:04:09 AM
Old 10-02-2012
Joining multiple files tail on tail

I have 250 files that have 16 columns each - all numbered as follows stat.1000, stat.1001, stat.1002, stat.1003....stat.1250.

I would like to join all 250 of them together tail by tail as follows. For example

stat.1000
Code:
a b c
d e f

stat.1001
Code:
g h i
j k l

So that my output becomes something like.
Code:
a b c
d e f
g h i
j k l

I have tried using the join command but the files are way to many. Could someone here help to solve this problem?
 

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File::stat(3pm) 					 Perl Programmers Reference Guide					   File::stat(3pm)

NAME
File::stat - by-name interface to Perl's built-in stat() functions SYNOPSIS
use File::stat; $st = stat($file) or die "No $file: $!"; if ( ($st->mode & 0111) && $st->nlink > 1) ) { print "$file is executable with lotsa links "; } use File::stat qw(:FIELDS); stat($file) or die "No $file: $!"; if ( ($st_mode & 0111) && $st_nlink > 1) ) { print "$file is executable with lotsa links "; } DESCRIPTION
This module's default exports override the core stat() and lstat() functions, replacing them with versions that return "File::stat" objects. This object has methods that return the similarly named structure field name from the stat(2) function; namely, dev, ino, mode, nlink, uid, gid, rdev, size, atime, mtime, ctime, blksize, and blocks. You may also import all the structure fields directly into your namespace as regular variables using the :FIELDS import tag. (Note that this still overrides your stat() and lstat() functions.) Access these fields as variables named with a preceding "st_" in front their method names. Thus, "$stat_obj->dev()" corresponds to $st_dev if you import the fields. To access this functionality without the core overrides, pass the "use" an empty import list, and then access function functions with their full qualified names. On the other hand, the built-ins are still available via the "CORE::" pseudo-package. BUGS
As of Perl 5.8.0 after using this module you cannot use the implicit $_ or the special filehandle "_" with stat() or lstat(), trying to do so leads into strange errors. The workaround is for $_ to be explicit my $stat_obj = stat $_; and for "_" to explicitly populate the object using the unexported and undocumented populate() function with CORE::stat(): my $stat_obj = File::stat::populate(CORE::stat(_)); NOTE
While this class is currently implemented using the Class::Struct module to build a struct-like class, you shouldn't rely upon this. AUTHOR
Tom Christiansen perl v5.8.0 2002-06-01 File::stat(3pm)
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