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Merge PDF's (with Ghostscript)Tag(s): Misc Prog HowTo

gswin32 -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=Merged.pdf -dBATCH 1.pdf 2.pdf 3.pdf

To merge all the PDF's in a directory, you need two BAT files : [merge.bat]

@echo off
gswin32 -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=merged.pdf -dBATCH 1.pdf
FOR %%Z IN (*.pdf) DO IF NOT %%Z==1.pdf IF NOT %%Z==merged.pdf IF NOT %%Z==merged2.pdf call merge2.bat %%Z
 @echo off
gswin32 -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=merged2.pdf -dBATCH merged.pdf %1
del merged.pdf
ren merged2.pdf merged.pdf
Ref : Merging PDFs