Here's how to use cat to put a file back together again:
cat part1 part2 part3 part4 > wholefile
Or
cat part1 > wholefile
cat part2 >> wholefile
cat part3 >> wholefile
cat part4 >> wholefile
cat outputs to standard out. You need to use '>' or '>>' to redirect to
a file.
'>' will overwrite the file if it already exists. Otherwise it creates
the file.
'>>' will append to the file if it already exists. Otherwise it creates
the file.
-----Original Message-----
From: Rhino [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 19, 2005 9:47 AM
To: Ant Users List; Bill Rich
Subject: Re: Size of zip file
I don't use Linux a lot but I was curious about this issue and found
some online man pages that described 'split' and it definitely looks
like the command to use to slice and dice a file into smaller pieces.
Unfortunately, they don't identify the command that merges the smaller
files together again! [I'll spare you my standard rant about glaring
deficiencies in man pages].
However, the "see also" section of the man page for 'split' says that
the full documentation is maintained as a Texinfo manual and that 'info
split' should give you more. Maybe it even tells you what command
'unsplits' the smaller files back into a single larger file.
I had a look at some of the other commands that were listed for Linux
and saw both a 'merge' and a 'join' which looked promising but the
articles made it clear that they were no going to put the split files
back together again. There are roughly a gazillion different linux
commands in this list and I don't have time to read all the articles to
see which one is the right command so I'll leave you to find that on
your own :-)
Rhino
----- Original Message -----
From: "Bill Rich" <[EMAIL PROTECTED]>
To: "'Ant Users List'" <user@ant.apache.org>
Sent: Wednesday, October 19, 2005 11:42 AM
Subject: RE: Size of zip file
> No "cat" was not one of the utils I remember for this job. All they
> did
was
> divide a zip file into parts as close to the specified max as possible
> and put them back together. IIRC the individual parts were not usable
> on their own. It was merely a way to package the file so it would fit
> on removeable media. I think there was also an index file written that
> listed the files that had been made so the merge file could put them
> back together. I am pretty sure it was intended for use with
> archive/backup files only, but, I could be wrong.
>
> Bill
>
> -----Original Message-----
> From: Gisbert Amm [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, October 18, 2005 11:59 PM
> To: Ant Users List
> Subject: Re: Size of zip file
>
> Bill Rich wrote:
> > Many years ago (when floppies and sneaker net were the tranport
> > method of
> > choice) there were two Unix utilities available to split a zip file
> > into parts and merge the parts back to a single zip file. I don't
> > remember who supplied them or if they are even still available.
>
> Do you probably mean "split" and "cat"?
>
> Regards,
> Gisbert Amm
>
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