83 lines
3 KiB
Markdown
Executable file
83 lines
3 KiB
Markdown
Executable file
---
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title: transfer_hierarchy
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id: transfer_hierarchy
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weight: 320
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draft: false
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author: "people"
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---
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## Name
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transfer_hierarchy.lua - move or copy image hierarchies from one location to another
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## Description
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Allows the moving or copying of images from one directory
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tree to another, while preserving the existing hierarchy.
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## Usage
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darktable's native operations for moving and copying images in
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batches allow only one directory to be specified as the destination
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for each batch. Those wanting to move or copy images from a _hierarchy_
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of directories within darktable while preserving the directory structure,
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must take the laborious step of performing the operation one individual
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directory at a time.
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This module allows the intact moving and copying of whole directory trees.
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It was designed for the specific use case of rapidly transferring images
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from a customary source (e.g., a staging directory on the local disk)
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to a customary destination (e.g., a directory on a NAS device).
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### Instructions for operation:
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1. Select the set of images you want to copy.
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2. Click the "calculate" button. This will calculate the
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lowest directory in the hierarchy that contains every selected
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file (i.e., the common prefix of all the images' pathnames), and
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write its path into the "existing root" text box.
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3. If (a) you have specified the "customary source root" and "customary
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destination root" preferences, and (b) the selected images are all
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contained under the directory specified as the customary source
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root, then the "root of destination" text box will also be
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automatically filled out.
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For example, suppose that you have specified '/home/user/Staging'
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as your customary source root and '/mnt/storage' as your customary
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destination root. If all selected images fell under the directory
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'/home/user/Staging/2020/Roll0001', the "root of destination" would
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be automatically filled out with '/mnt/storage/2020/Roll0001'.
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But if all selected images fall under a directory outside the
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specified customary source root (e.g., '/opt/other'), the "root
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of destination" text box must be filled out manually.
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It is also possible to edit the "root of destination" further once
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it has been automatically filled out.
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4. Click the "move" or "copy" button.
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Before moving or copying any images, the module will first
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replicate the necessary directory hierarchy by creating all
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destination directories that do not already exist; should a
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directory creation attempt fail, the operation will be
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aborted, but any directories already created will not be
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removed.
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During the actual move/copy operation, the module transfers an
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image by taking its path and replacing the string in the "existing
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root" text box with that in the "root of destination" text box
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(e.g., '/home/user/Staging/2020/Roll0001/DSC_0001.jpg' would be
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transferred to '/mnt/storage/2020/Roll0001/DSC_0001.jpg').
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## Additional Software Required
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## Limitations
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## Author
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August Schwerdfeger - august@schwerdfeger.name
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