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PDF Handler is a pdf command line utility.

Common execution format is

c:\Pdfhandler.exe <<action name>> << Options specific to the action  >>

The Pdfhandler.exe will do the below operations,

1. PDF Merge.
    It will merge the given pdf documents into single one.

    Format :
        c:\Pdfhandler.exe merge <<file names separated by space>>

        The final name will be name of the target file name.
    Ex:

        c:\Pdfhandler.exe merge F:\Sekar\dev\Books\DesignJava.pdf F:\Spring_Tutorial.pdf merge.pdf

2. Pdf informations 
    It will display informations related the given pdf documents

    Format:
        c:\Pdfhandler.exe info <<PDF file names>>
    Ex:
        c:\Pdfhandler.exe info F:\Sekar\dev\Books\DesignJava.pdf F:\Spring_Tutorial.pdf

3. Security (Encryption/Decryption)

    It will secure your given pdf file by doing the encryption and decryption operations

    Format:
        Decryption:
            c:\Pdfhandler.exe decrypt <<Encrypted Source pdf file name>> <<Password>> <<Decrypted output file name>>
        Encryption:
            c:\Pdfhandler.exe encrypt <<Source pdf file name>> <<Password>> <<Encrypted output file name>>
    Ex:
        Decryption:
            c:\Pdfhandler.exe decrypt F:\Spring_Tutorial.pdf hello h:\decryptedspringtutorial.pdf
        Encryption:
            c:\Pdfhandler.exe decrypt F:\Spring_Tutorial.pdf hello h:\encryptedspringtutorial.pdf

4. Document splitter
    This action will create individual pdf documents from the given single document.
    Based on the given page limits it will create the sub documents.
    Format:
        c:\Pdfhandler.exe split <<Source File name>> <<page range limits separated by space>>
    Ex:
        c:\Pdfhandler.exe split F:\Sekar\dev\Books\designjava.pdf 1 23 s34-37 40-45

        The above command will create below documents with the pages of original document,
            1.pdf
            2.pdf
            34.pdf
            35.pdf
            36.pdf
            37.pdf
            40-45.pdf
            It will use the range values as new document's file names.
            The "s" prefix indicates that from page 34-37 will be splitted into single pages.
            If you didn't mention it in prefix then by default it will considered as normal page range for a single document (Ex : 40-45.pdf).

Note: You can also mention the output folder as last parameter. If you are not given then it will use the current folder as output folder.

1. Document Signer
   This action will create signed pdf documents from the given signed/unsigned pdfs.

   Format:
       c:\Pdfhandler.exe sign << input.properties file>>
   Ex:
       c:\Pdfhandler.exe sign input.properties
   
       The above command will create signed documents based on the given properties file.
       Sample properties file is also shipped with the build.
       Note:
           To sign a document the end users needs to create a keystore file using the java keytool.
           To know more about keytool and keystore file please go through the below link,
   
           "http://download.oracle.com/javase/1.5.0/docs/tooldocs/windows/keytool.html"
   
           If you want to learn more on this please search this on web.