thumbtiff-cli

The command line interface for generating thumbnails via sharp.

Goal

Leverage the sharp module for quick tiff thumbnail generation in the command line.

Prerequisites:

sharp: libvips wrapper for node.js Please see https://www.npmjs.org/package/sharp for more information on how to install libvips.

Installation

npm install -g thumbtiff-cli

Options

Usage: thumbtiff [options]

Options:

-h, --help                        output usage information
-V, --version                     output the version number
-h, --height <n>                  autoscale image to height. Default: 480
-q, --quality <n>                 set thumbnail quality. Default: 80
-s, --sharpen                     shapren the image
-t, --template <template string>  template the output file name, supported %n-filename, %h-height, %q-quality
-e, --extension <string>          set output file extension. Default: png
-o, --output <file>               output to a file

Note: output option will override template and extension options.

Examples

Quick run

thumbtiff Sample.tiff

Output: Sample.png, autoscaled to 480px in height.

Resize to 360px in height, use name_height filename template

thumbtiff Sample.tiff -h 360 -t %n_%h

Output: Sample_360.png

Resize to 360px in height for two tiff files at once.

thumbtiff Sample1.tiff Sample2.tiff -h 360

Output: Sample1.png, Sample2.png