Script to batch pdfjoin based on pdfgrep output Post: 302604995

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Top Forums Shell Programming and Scripting Script to batch pdfjoin based on pdfgrep output Post 302604995 by nopposan on Tuesday 6th of March 2012 12:02:43 PM

03-06-2012

Registered User

Script to batch pdfjoin based on pdfgrep output

I have a situation in which I'm given a bunch of pdf files which are all single pages with employee ID's on an independent line. I need to collate all of the pages by employee ID.

Piecemeal, I can find a particular employee ID by just using pdfgrep.

I could also do something like this:

find . -name "*.pdf" -print0 | xargs -0 -I FILENAME bash -c "if { pdftotext FILENAME - | grep -q <IDnumberHere>; } ; then echo FILENAME; fi"

Searching for an employee ID with pdfgrep will list all files containing the employee ID as well as the text content of the whole line which contains the employee ID (This is the same for each employee; the ID number is all that changes.)

The task of joining these files together with pdfjoin is quite simple.

However, I'm a novice at writing bash scripts. Doing all of this piecemeal takes longer than just shuffling actual pages! I need to know how to automate the joining of files that have identical employee ID lines output by pdfgrep.

The number of pages per employee ID varies but is, currently, a maximum of six.

Pseudocode Smilie

would be something like:

Filename = pg_0001.pdf

do until [ Filename = pg_<Lastpage>.pdf ]
Filename2= <somehow increment Filename by 1>
x= `pdfgrep "Employee ID" $Filename` #Not sure how to insert variable to be read as filename for pdfgrep
y= `pdfgrep "Employee ID" $Filename2`

if [ "$x" == "$y" ]; then
pdfjoin $Filename $Filename2 --outfile $Filename #Intended to join the two files under the name of Filename, i.e. replacing the first file with the joined file in the same directory.
fi

Filename = $Filename2

Thanks for any help you can offer.

Last edited by nopposan; 03-06-2012 at 01:29 PM..

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soundconverter

SOUNDCONVERTER(1)						GNOME User's Manual						 SOUNDCONVERTER(1)

NAME

       soundconverter - convert sound files to other formats

SYNOPSIS

       soundconverter [options] [file...]

DESCRIPTION

       soundconverter  is  a  simple tool for converting sound files to other formats.	It can work from the command line, but is really meant for
       interactive use in the GNOME environment.

OPTIONS

       -h, --help
	      Print out a usage summary.

       -b, --batch
	      Convert in batch mode, from command line, without a graphical user interface.  You can use this from, say, shell scripts.

       -m, --mime-type arg
	      Set the output MIME type for batch mode.	The default is audio/x-vorbis.	Note that you probably want to set the	output	suffix	as
	      well.

       -q, --quiet
	      Be quiet.  Don't write normal output, only errors.

       -d, --debug
	      Print additional debug information.

       -s, --suffix arg
	      Set the output filename suffix for batch mode.  The default is .ogg.  Note that the suffix does not affect the output MIME type.

       -t, --tags
	      Show tags for input files instead of converting them.  This indicates command line batch mode and disables the graphical user inter-
	      face.

       -j, --jobs=
	      Force number of concurent conversions.  Default is one per present CPU.

AUTHOR

       Lars Wirzenius (liw@iki.fi).  Gautier Portet (kassoulet@gmail.com) Uwe Bugla (uwe.bugla@gmx.de).

GNOME
								    2009-06-10							 SOUNDCONVERTER(1)