Marty Oehme
b344242dff
Removed superfluous styler `--theme`-style options, instead relying on the commands provided to be the primary way of interaction. Documented the new standardized ways with the `help` command and added improved documentation for all avaliable options.
218 lines
6.5 KiB
Bash
Executable file
218 lines
6.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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readonly BASE_PATH="${STYLER_DATA_PATH:-${XDG_DATA_HOME:-$HOME/.local/share}/styler}"
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readonly PACKAGE_PATH="$BASE_PATH/packages"
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readonly PROCESSOR_PATH="$BASE_PATH/processors"
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readonly VERSION="0.3.0"
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main() {
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local cmd=""
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local ret=0
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case "$1" in
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theme)
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cmd="switch_theme"
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;;
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set)
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cmd="set_theme"
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;;
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list)
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cmd="list"
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;;
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download)
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cmd="download"
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;;
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-v | --version | version)
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printf "Program theming script.\n\n©Marty Oehme\n\nVersion: %s\n" "$VERSION"
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exit 0
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;;
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-h | --help | help | *)
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cmd="usage"
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;;
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esac
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shift
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$cmd "$1"
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ret=$((ret + $?))
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exit $ret
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}
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usage() {
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printf "%s\n" \
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"" \
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" styler Quickly switch your linux style." \
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" Uses base16 themes to quickly set them for a variety of applications." \
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"" \
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" Usage: styler [-hv][set|theme base16-themename]" \
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"" \
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" Arguments:" \
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"" \
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" theme [theme] Temporarily switch theme. Use any valid base16 theme name (without base16- prefix)." \
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" Theme will be lost upon restart, or application restarts." \
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"" \
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" set [theme] Set the theme. Use any valid base16 theme name (without base16- prefix)." \
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" Same as 'theme' option, but changes will be made permanent." \
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"" \
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" list [processors|template|themes] Print out all currently installed processors, templates, or themes from selection. " \
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"" \
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" download [username/repository] Download a base16 template into the package directory or download a processor16" \
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" into the processor directory. Use user/repo format to automatically pull from github." \
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"" \
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" help | -h | --help Print out this help." \
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"" \
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" version | -v | --version Print out program information." \
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"" \
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""
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}
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# base directory should always exist
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base_dir_exists_or_create() {
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[[ -d "$BASE_PATH" ]] || mkdir "$BASE_PATH"
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[[ -d "$PACKAGE_PATH" ]] || mkdir "$PACKAGE_PATH"
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[[ -d "$PROCESSOR_PATH" ]] || mkdir "$BASE_PATH"
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}
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# retrieves all relevant packages from BASE_PATH/packages
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# 'relevant' here means they follow github pattern of author/repository
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get_packages() {
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for author in "$PACKAGE_PATH"/*; do
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# TODO should eventually be used to either distinguish between author/pkg and pkg packages
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# or to spit out a warning if they should not be used.
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# if grep -q -e '^base16-' <<<"$(basename -- "$author")"; then
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# echo ERROR
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# fi
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for package in "$author"/*; do
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[[ -e "$author" ]] || break
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[[ -d "$package" ]] || break
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printf "%s/%s\n" "$(basename -- "$author")" "$(basename -- "$package")"
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done
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done
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}
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# retrieves all processors from BASE_PATH/processors
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# 'relevant' here means they follow github pattern of author/repository
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get_processors() {
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for author in "$PROCESSOR_PATH"/*; do
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for package in "$author"/*; do
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for processor in "$package"/*; do
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[[ -e "$processor" ]] || break
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[[ -f "$processor" ]] || break
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if grep -q -e '/theme_[[:alnum:]]\{1,\}$' <<<"$processor"; then
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printf "%s\n" "$(basename -- "$processor")"
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fi
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done
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done
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done
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}
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# retrieves all installed themes from all packages, appends applications they exist for
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get_themes() {
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local themes
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themes=$(find "$PACKAGE_PATH" -type f -name 'base16-*')
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echo "$themes" | sed "s/.*\\/base16-//" | sed "s/\\..*//" | sort | uniq
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}
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# temporarily switch theme, same thing as setting, only with permanence flag turned off for processors
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switch_theme() {
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set_theme "$1" "false"
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}
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# call processors for all installed packages
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set_theme() {
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local theme="$1"
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if [[ -z $theme ]]; then
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printf "Theme application requires an argument.\n"
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exit 1
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fi
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local permanent="${2:-true}"
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local packages
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packages="$(get_packages)"
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if [[ -z "$packages" ]]; then
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printf "ERROR: No base16 packages installed. Please install at least 1 base16 package in %s/.\n" "$PACKAGE_PATH" >&2
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exit 1
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fi
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local processors
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processors="$(get_processors)"
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if [[ -z "$processors" ]]; then
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printf "ERROR: No application processors installed. Please install at least one processor in %s/.\n" "$PROCESSOR_PATH" >&2
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exit 1
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fi
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for pkg in $packages; do
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local appext
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# filter the application a package targets, since base16 packages
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# carry standard names this removes everything before base16-
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# the result is the application it targets
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# shellcheck disable=SC2001
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appext=$(sed "s|^[[:alnum:]]\{1,\}/base16-||" <<<"$pkg")
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# Compares application extension with existing processors and runs the appropriate processor if found
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processor=$(find "$PROCESSOR_PATH" -type f -name "theme_$appext")
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if [[ -f "$processor" ]]; then
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"$processor" "$PACKAGE_PATH" "$pkg" "$theme" "$permanent"
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else
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printf "WARN: No processor found for application %s in %s. Make sure you install a processor for the application.\n" "$appext" "$PROCESSOR_PATH/" >&2
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fi
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done
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}
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list() {
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local selected="$1"
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case "$selected" in
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packages)
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get_packages
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;;
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processors)
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get_processors
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;;
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themes)
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get_themes
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;;
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*)
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echo "Please select one of packages | processors | themes to list."
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;;
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esac
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}
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download() {
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local pkg="$1"
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local page="https://github.com"
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local repo="$page/$pkg"
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[[ -z "$pkg" ]] && {
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echo "No package to download passed in. Please provide a package to download in the form user/repository."
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exit 1
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}
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type git >/dev/null 2>&1 || {
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echo "git is required to clone base16 package. Please install git."
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exit 1
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}
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base_dir_exists_or_create
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if ! git ls-remote --exit-code -h "$repo" >/dev/null; then
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echo "Repository $repo not found."
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exit 1
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fi
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# if package has patter name/base16-program, put it in packages; if name/process16-program put it in processors
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# if none of the above, assume it's a processor but warn the user
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if grep -q -e '^[0-9A-Za-z-]\{1,\}/base16-[0-9A-Za-z-]\{1,\}$' <<<"$pkg"; then
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git clone "$repo" "$PACKAGE_PATH/$pkg"
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elif grep -q -e '^[0-9A-Za-z-]\{1,\}/process16-[0-9A-Za-z-]\{1,\}$' <<<"$pkg"; then
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git clone "$repo" "$PROCESSOR_PATH/$pkg"
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else
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echo "Package does not fit default naming scheme of packages/processors. Assuming it is a processor but please check manually."
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git clone "$repo" "$PROCESSOR_PATH/$pkg"
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fi
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}
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main "$@"
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