Created
October 20, 2021 19:42
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Use ghostscript to repair all PDFs within a ZIP file (of student submissions from UofT Quercus)
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| #!/bin/bash -x | |
| # fixQpdf.sh [zip file] [output folder] | |
| BASEDIR=$HOME | |
| TEMPDIR=$(uuidgen) | |
| mkdir $BASEDIR/$TEMPDIR | |
| mkdir $BASEDIR/$2 | |
| unzip $1 "*.pdf" -d $BASEDIR/$TEMPDIR | |
| # repackage all PDF files | |
| find $BASEDIR/$TEMPDIR -iname "*.pdf" -printf "%f\n" | xargs -d "\n" -I @ -P 24 gs -o \"$BASEDIR/$2/@\" -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress \"$BASEDIR/$TEMPDIR/@\" | |
| basezip=$(basename $1 .zip) | |
| zip -j $basezip.fixed.zip $BASEDIR/$2/* | |
| rm -r $BASEDIR/$TEMPDIR |
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