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1. Create animated gif from video Create animated gif from video

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   # Convert video to gif file.

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   # Usage: video2gif video_file (scale) (fps)

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   video2gif() {

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     ffmpeg -y -i "${1}" -vf fps=${3:-10},scale=${2:-320}:-1:flags=lanczos,palettegen "${1}.png"

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     ffmpeg -i "${1}" -i "${1}.png" -filter_complex "fps=${3:-10},scale=${2:-320}:-1:flags=lanczos[x];[x][1:v]paletteuse" "${1}".>

2. applescript to switch target display... applescript to switch target display mode on headful imac

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   #!/bin/bash

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   osascript -e 'tell application "System Events" to key code 144 using command down delay'