Lucas Vivohost
a209038263
feat: accept PDF filename as input argument - Allow PDF file to be specified on the command line - Derive output JPEG name from input PDF basename - Generate files using IMG_<pdf-name>.jpg naming convention - Retain first-page conversion behavior - Improve script reusability for multiple PDFs
28 lines
583 B
Bash
Executable File
28 lines
583 B
Bash
Executable File
#!/usr/bin/env bash
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# Convert the first page of a PDF to a JPEG image.
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# Usage: ./pdf_to_jpg.sh <file.pdf>
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set -euo pipefail
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if [[ $# -ne 1 ]]; then
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echo "Usage: $0 <file.pdf>"
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exit 1
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fi
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INPUT_PDF="$1"
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if [[ ! -f "$INPUT_PDF" ]]; then
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echo "Error: '$INPUT_PDF' not found."
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exit 1
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fi
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# Remove .pdf extension and prepend IMG_
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BASE_NAME="$(basename "$INPUT_PDF" .pdf)"
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OUTPUT_JPG="IMG_${BASE_NAME}.jpg"
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echo "Converting first page of '$INPUT_PDF' to '$OUTPUT_JPG'..."
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pdftoppm -f 1 -l 1 "$INPUT_PDF" | pnmtojpeg > "$OUTPUT_JPG"
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echo "Done: $OUTPUT_JPG created." |