- Company
- Preservation
- Reto’s Home
© 1993–2025 by Reto Kromer
This website is released under
a CC BY 4.0 License.
Advanced Level: “data maintenance”
Anticipated Bash content includes:
- debugging techniques
- flow control: looping with
for - regular expressions
- command substitution
- flow control: branching with
select - asynchronous execution
Seventh Session
On Tuesday 15th February 2022 from 18:00 to 19:00 UTC.
- Handouts
- Seventh Session (PDF)
- find missing files (draft script)
- used commands (plain text)
- find missing files (script)
- Bash Cookbook for Archivists
- Exercices
- Modify the script from the Fifth Session in order to generate a checksum manifest of either a single file or all files in a folder.
- Modify the script from the Sixth Session in order to generate an access file from either a single video file or a series of single image files in a folder.
Eighth Session
In memoriam Lorinda Cherry (1944–2022)
On Thursday 17th February 2022 from 18:00 to 19:00 UTC.
- Handouts
- Eighth Session (PDF)
- BagIt of TEST_COPY with missing frames (TAR archive compressed with
gzip, 3.1 MB) - verify a BagIt File Packaging (draft script)
- verify a BagIt File Packaging (script)
- Bash Cookbook for Archivists
- Exercices
- Implement the validity check.
- Modify the script to allow the user to choose between checking completeness only (is quicker) or both completeness and validity (takes much longer).
- Appendix
- test regular expressions (script)
- used commands (plain text)
Ninth Session
On Tuesday 22nd February 2022 from 18:00 to 19:00 UTC.
- Handouts
- Ninth Session (PDF)
- update a checksum manifest (draft script)
- used commands (plain text)
- update a checksum manifest (script)
- Bash Cookbook for Archivists
- Exercices
- Add the test that a new manifest can be written if needed.
- Use a temporary file as done in the script of Session Eight.
- Based on the script of this session, write a script to update a BagIt archive when files need to be added or removed.
- Appendix
2022-02-22