Post on zipdl

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+---
+title: "Zipdl"
+date: 2023-10-07T23:28:16+01:00
+draft: false
+---
+
+I wrote a small program for downloading individual files from a remote ZIP file on a http server that supports [Range](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Range) requests. This was an interesting learning exercise. 
+
+In case it's useful to anyone, the code is available at https://code.mfashby.net/zipdl/ 
+
+Binary releases:
+* [linux aarch64](https://dl.mfashby.net/zipdl/0.0.1/aarch64-linux-gnu/zipdl.xz) [checksum](https://dl.mfashby.net/zipdl/0.0.1/aarch64-linux-gnu/zipdl.xz.sha256)
+* [linux x86_64](https://dl.mfashby.net/zipdl/0.0.1/x86_64-linux-gnu/zipdl.xz) [checksum](https://dl.mfashby.net/zipdl/0.0.1/x86_64-linux-gnu/zipdl.xz.sha256)
+
+Download the appropriate file for your platform and the checksum, then check and extract:
+```
+sha256sum -c zipdl.xz.sha256
+# result MUST be zipdl.xz: OK
+
+unxz zipdl.xz
+```
+and run with -h for help
+```
+./zipdl -h
+```
+
+To build from source, download the code, download [zig](https://ziglang.org/download/), and run `zig build` to produce a binary in zig-out/bin folder.