Add a script to create a gif from a video

dotfiles/bin/create-gif-from-video

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+if which tput >/dev/null 2>&1; then
+    ncolors=$(tput colors)
+fi
+if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
+    RED="$(tput setaf 1)"
+    GREEN="$(tput setaf 2)"
+    YELLOW="$(tput setaf 3)"
+    BLUE="$(tput setaf 4)"
+    MAGENTA="$(tput setaf 5)"
+    CYAN="$(tput setaf 6)"
+    BOLD="$(tput bold)"
+    NORMAL="$(tput sgr0)"
+else
+    RED=""
+    GREEN=""
+    YELLOW=""
+    BLUE=""
+    MAGENTA=""
+    CYAN=""
+    BOLD=""
+    NORMAL=""
+fi
+
+filename=$(basename -- "$1")
+output_name="$2"
+width="$3"
+
+if [[ $filename == "" || $output_name == "" ]]; then
+    printf "${BOLD}${RED}Usage: create-gif-from-video <filename> <output name> <optional width, defaults to 240>${NORMAL}\n"
+    exit 1
+fi
+
+output="${output_name}.gif"
+if [[ $width == "" ]]; then
+    width=240
+fi
+
+printf "\n${YELLOW}${BOLD}Creating a gif from '$filename' | output: $output | width: $width${NORMAL}\n"
+
+ffmpeg -y -stats -loglevel level+error -i "$filename" -vf "fps=24,scale=$width:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse" -loop 0 "$output"
+
+printf "\n${GREEN}${BOLD}Finished!${NORMAL}\n\n"
+