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a simple cli application to start a background image slideshow using 'feh'.
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README.md

slideshow

a simple cli application to start a background image slideshow using 'feh'.

requirements

configuration

configuration is entirely done via environment variables.

variable default description
SLIDESHOW_INTERVAL 60 the interval of the slideshow in seconds
SLIDESHOW_DIRECTORY "$HOME" path to a directory containing images
SLIDESHOW_SCANINTERVAL 60 the interval for directory scans in seconds
SLIDESHOW_TMPFILE path to a temporary file
SLIDESHOW_RESOLUTION the resolution to which images are scaled (i.e. 1920x1080)
SLIDESHOW_PALETTE path to a file where the color palette will be stored
SLIDESHOW_PALETTE_ALGORITHM "wsm" the algorithm used to generate the color palette
SLIDESHOW_PALETTE_COLORS 16 the amount of colors generated
SLIDESHOW_LOGLEVEL "info" the log level

note:

  • if SLIDESHOW_RESOLUTION is unset the images will be displayed as they are (without any scaling).
  • if SLIDESHOW_TMPFILE is set a temporary file will be used instead of keeping the image internally buffered. this could be useful on systems with limited ram.

available log levels:

  • debug
  • info
  • warning
  • error
  • fatal

color palette

available algorithms:

  • wsm
  • wu

for more information regarding the color palette see color-thief.