Ahh yeah...can't believe I didn't think of that. BTW, for pdftk, "cat" is a command line option, not referring to the cat we know and love.

I think the final ver of the command would be:

cat I-A-files.txt |xargs -i pdftk "{}" cat output I-A.pdf verbose

Okay...my head hurts now :)

-Charles

Erich Newell wrote:
xargs has additional flexibility...try using the "replace string" parameter

So do:

cat list.txt | xargs -i cat "{}" | pdftk output -

The curly braces indicate where the input goes...in this case, between the quotes. Should handle those pesky spaces for you.

Looks like this will dump a ton of pdf content to stdout....is that what you really want?




On Tue, Mar 4, 2008 at 7:22 PM, Craig White <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:

    Again, that works but it fails because the PDF includes on the
    last file. As I said, I don't think an xargs thing is going to
    work at all because as the man page states...the '-' option is to
    pass only a single file via stdin.

    Craig

    On Tue, 2008-03-04 at 19:10 -0700, Charles Jones wrote:
    > Ah those darn spaces sure cause problems :)  Give this a try:
    >
    > $ cat I-A-files.txt | sed 's/ /\\ /g' | xargs cat | pdftk - output
    > I-a.pdf verbose
    >
    > It works for my test case:
    > $ cat file.txt
    > file with spaces
    > some other file
    >
    > $ cat "file with spaces"
    > This is the contents of a file with spaces
    > $ cat some\ other\ file
    > This is some other file
    >
    > $ cat file.txt | sed 's/ /\\ /g' |xargs cat
    > This is the contents of a file with spaces
    > This is some other file
    >
    > Probably a more elegant way to do it, but I'm late for dinner :-)
    >
    > -Charles
    >
    >
    > Craig White wrote:
    > > That doesn't seem to work. I quoted the part of the man page
    that the
    > > '-' is used to pass only a single PDF into pdftk via stdin and
    thus the
    > > xargs thing seems not to fly.
    > >
    > > $ cat I-A-files.txt | xargs -0 pdftk cat output I-A.pdf verbose
    > > Error: No input files.  Exiting.
    > > Errors encountered.  No output created.
    > > Done.  Input errors, so no output created.
    > >
    > > Thanks
    > >
    > > Craig
    > >
    > > On Tue, 2008-03-04 at 17:24 -0700, Charles Jones wrote:
    > >
    > >> Give this a try:
    > >>
    > >> cat /path/to/filenames_file.xt |xargs pdftk
    > >>
    > >> -Charles
    > >>
    > >> Craig White wrote:
    > >>
    > >>> I have an awkward situation with pdftk
    > >>>
    > >>> I have a file with filenames that I want to pass to pdftk as
    input
    > >>> files.
    > >>>
    > >>> according to the man page...
    > >>> <input PDF files | - | PROMPT>
    > >>>   A list of the input PDF files. If you plan to combine
    these PDFs
    > >>>   (without using handles) then list files in the  order  you
     want
    > >>>   them combined.  Use - to pass a single PDF into pdftk via
    stdin.
    > >>>
    > >>> and thus, this doesn't work...
    > >>>
    > >>> pdftk `cat "/mypath/to/I-A-files.txt"` cat output I-A.pdf
    verbose
    > >>>
    > >>> fails on spaces within the paths/filenames in that file.
    > >>>
    > >>> I have tried both escaping the spaces with \ and enclosing
    each path
    > >>> within a double quote but neither works.
    > >>>
    > >>> I have also tried (which fails)...
    > >>>
    > >>> $ cat "/mypath/to/I-A-files.txt" | pdftk - cat output
    I-A.pdf verbose
    > >>> Error: Failed to open PDF file:
    > >>>    -
    > >>> Errors encountered.  No output created.
    > >>> Done.  Input errors, so no output created.
    > >>> sh-3.2$ ls -l
    > >>> total 4440
    > >>> -rw-r--r-- 1 craig administrative      10 2008-03-04 15:15
    doc_toc.html
    > >>> -rw-r--r-- 1 craig administrative    1898 2008-03-04 15:30
    I-A-files.txt
    > >>>
    > >>> Any suggestions on this?
    > >>>
    > >>> T
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