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37 lines
1.1 KiB
Bash
37 lines
1.1 KiB
Bash
#!/bin/bash
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# Define the output file for the metadata.sha1 fields
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OUTPUT_FILE="s2orc_pdfs_v2.txt"
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# Clear the output file if it already exists
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> "$OUTPUT_FILE"
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# Create a temporary directory for partial outputs
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temp_output_dir=$(mktemp -d)
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# Ensure the temporary directory is cleaned up on exit or error
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trap 'rm -rf "$temp_output_dir"' EXIT
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# Export the temporary output directory variable for use in xargs
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export temp_output_dir
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echo "temp dir $temp_output_dir"
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# Find all .gz files recursively from the current directory
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find 'split=train' -type f -name "*.gz" | \
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xargs -P 30 -I{} bash -c '
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gz_file="$1"
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partial_output="$temp_output_dir/$(basename "$gz_file").txt"
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# Stream uncompressed data directly into jq and format the output
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gunzip -c "$gz_file" | jq -r '"'"'
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select(.metadata.sha1 != null) |
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"s3://ai2-s2-pdfs/" + (.metadata.sha1[:4]) + "/" + (.metadata.sha1[4:]) + ".pdf"
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'"'"' >> "$partial_output"
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' _ {}
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# Concatenate all partial outputs into the final output file
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cat "$temp_output_dir"/*.txt >> "$OUTPUT_FILE"
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echo "All metadata.sha1 fields have been extracted to $OUTPUT_FILE."
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