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DSCEXTRACT(1) General Commands Manual DSCEXTRACT(1)

📛 NAME

dscextract – extract a single file from a Debian source package

🚀 Quick Reference

Use Case	Command	Description
📦 Extract a file from a .dsc	dscextract [options] dscfile file	Extract a file relative to the first‑level directory
⚡ Fast mode (format 1.0)	dscextract -f dscfile file	Skip fallback to .orig.tar.gz if file not in .diff.gz
🔍 Extract a specific file (e.g. debian/watch)	dscextract dds_2.1.1+ddd105-2.dsc debian/watch	Useful for files in the debian/ subdirectory

📋 SYNOPSIS

dscextract [options] dscfile file

📖 DESCRIPTION

📄 dscextract reads a single file from a Debian source package. The idea is to only look into .diff.gz files (source format 1.0) or .debian.tar.gz/bz2 files (source format 3.0) where possible, hence avoiding to unpack large tarballs. It is most useful for files in the debian/ subdirectory. file is relative to the first level directory contained in the package, i.e. with the first component stripped.

⚙️ OPTIONS

• -f 🚀 “Fast” mode. For source format 1.0, avoid to fall back scanning the .orig.tar.gz file if file was not found in the .diff.gz. (For 3.0 packages, it is assumed that debian/* are exactly the contents of debian.tar.gz/bz2.)

🚪 EXIT STATUS

• 0 ✅ file was extracted.
• 1 ❌ file was not found in the source package.
• 2 ❌ An error occurred, like dscfile was not found.

💡 EXAMPLE

dscextract dds_2.1.1+ddd105-2.dsc debian/watch || test $? = 1

👤 AUTHOR

dscextract was written by Christoph Berg <myon AT debian.org>.

DEBIAN Debian Utilities DSCEXTRACT(1)

DSCEXTRACT(1) General Commands Manual DSCEXTRACT(1) 📛 NAME 🚀 Quick Reference 📋 SYNOPSIS 📖 DESCRIPTION ⚙️ OPTIONS 🚪 EXIT STATUS 💡 EXAMPLE 👤 AUTHOR