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Shell Script to Dynamically Extract file content based on Parameters from a pdf file

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# 1  
Old 05-02-2013
Shell Script to Dynamically Extract file content based on Parameters from a pdf file
Hi Guru's,
I am new to shell scripting. I have a unique requirement:
The system generates a single pdf(/tmp/ABC.pdf) file with Invoices for Multiple Customers, the format is something like this:
Page1 >> Customer 1 >>Invoice1 + invoice 2 >> Page1 end
Page2 >> Customer 2 >>Invoice 3 + Invoice 4 >> Continue to Page3 >> page3 End

I have to email Individual Statements to these customers individually based on the customer number/Email Address coming in the file.
Using Shell script how can i achieve this?

Thanks in Advance.
Regards,
Dips
# 2  
Old 05-07-2013
Start with something like pdf2txt so shell tools can see the pdf strings.
# 3  
Old 05-08-2013
If you have python on your system you could try the PyPDF2 Library


Assumption is last page of invoice contains some text you can match to like "Total Due:"

Code:
#!/usr/bin/env python
from PyPDF2.pdf import PdfFileReader, PdfFileWriter
import sys

filenum = 1
Pageadded = False

output_pdf = PdfFileWriter()
input_pdf = PdfFileReader(open(sys.argv[1], "rb"))

for i in range(0, input_pdf.getNumPages()):
    Pageadded = True
    output_pdf.addPage(input_pdf.getPage(i))

    if input_pdf.getPage(i).extractText().find("Total Due:") != -1:
        outputStream = file("Cust_" + str(filenum) + ".pdf", "wb")
        output_pdf.write(outputStream)
        filenum = filenum + 1
        output_pdf = PdfFileWriter()
        Pageadded = False
if Pageadded:
    outputStream = file("Cust_" + str(filenum) + ".pdf", "wb")
    output_pdf.write(outputStream)

Note: indentation is a part of the python syntax so ensure you keep the indent levels correct. Call the script like this:

Code:
$ ./split_invoice.py Invoice_file.pdf

# 4  
Old 05-08-2013
See what the structure is after you dump it to text, or have python tell you what it finds. Then we can figure how to reprocess that.
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