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authorB. Watson <urchlay@slackware.uk>2025-11-20 02:39:53 -0500
committerB. Watson <urchlay@slackware.uk>2025-11-20 02:39:53 -0500
commita0b3efe4e52d4d95ea2b76c21d9d308127be64ca (patch)
tree665aa691f077f3523aeed73f5b8ba8521515fe2a /src/alfsum.rst
parent6259ba06fcf9574eae28c9c3222e14605c2cf27b (diff)
downloadunalf-a0b3efe4e52d4d95ea2b76c21d9d308127be64ca.tar.gz
Expand alfsum man page a bit.
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diff --git a/src/alfsum.rst b/src/alfsum.rst
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@@ -29,11 +29,17 @@ DESCRIPTION
**alfsum** calculates the checksums used by the **ALF** compression
utility on the Atari 8-bit platform.
-To read from standard input, use **-** as a filename
+To read from standard input, use **-** as a filename.
Output lines have a tab separating the checksum and filename, for ease
of scripting (e.g. with **cut**\(1) or **awk**\(1)).
+**alfsum**'s primary use is to check files extracted from **ALF**
+archives against the checksums stored in the archive. The **unalf**
+program already does this, but **alfsum** is a separate (much simpler)
+program. It serves as a second opinion, in case you suspect a bug in
+**unalf**.
+
OPTIONS
=======