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download all pdf files #24

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
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pdf
25 changes: 25 additions & 0 deletions download-all-pdf.sh
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#!/bin/bash

# --------------------------------- Create the pdf directory if not exists --
if [ ! -d pdf ]; then
mkdir pdf
fi

# ---------------------------------------- Add pdf directory to .gitignore --
if [ ! -f .gitignore ]; then
echo pdf > .gitignore
else
grep -q -F 'pdf' .gitignore || echo 'pdf' >> .gitignore
fi

# ---------------------------------------- Download pdf file if not exists --
for f in `sed -rn 's/.*(http.+\.pdf).*/\1/pg' README.md`
do
if [ ! -f "pdf/${f##*/}" ]; then
wget --tries=3 \
--timeout=5 \
--waitretry=1 \
--retry-connrefused \
"$f" -P pdf
fi
done