Hayao0819

単体で動いて移植可能なCLIツールをさっと書いて効率化

自己紹介

• 群馬大学情報学部 1年 山田ハヤオ/伊藤 駿
• Fascode Network所属
• フロントエンドからマイコンまで幅広く勉強中
• よく書く言語はGolangとシェルスクリプト

Hayao0819

#!/bin/sh

# 参考
# https://qiita.com/_-_-_-_-_/items/214d537aae2c1488692c

get_random(){
    od -v -An --width=1 -tu1 -N1 < /dev/urandom | \
    awk "{ print \$1 % 10 }"
}

Hayao0819

package main

import (
	"fmt"
	"math"
	"math/rand"
	"os"
	"strconv"
)

Hayao0819

ebuild     U  ] kde-plasma/kwin-5.26.2.1 [5.26.0]
[ebuild     U  ] kde-plasma/kscreenlocker-5.26.2 [5.26.0]
[ebuild     U  ] kde-plasma/libkworkspace-5.26.2 [5.26.0]
[ebuild     U  ] kde-plasma/kde-cli-tools-5.26.2 [5.26.0]
[ebuild   R    ] x11-themes/QGnomePlatform-0.9.0  USE="wayland%*" 
[blocks B      ] >=app-accessibility/at-spi2-core-2.46.0 (">=app-accessibility/at-spi2-core-2.46.0" is soft blocking dev-libs/atk-2.46.0)

!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

Hayao0819

SelectMenu(){
    local CaptureSpecialKeys Choices=("$@") CurrentChoice=0 Key=""

    CaptureSpecialKeys(){
        local SELECTION rest
        IFS= read -r -n1 -s SELECTION
        #echo "$SELECTION" | hexdump >&2
        if [[ $SELECTION == $'\x1b' ]]; then
            read -r -n2 -s rest
            SELECTION+="$rest"

Hayao0819

#!/usr/bin/env bash
ClearScreen() { printf "\033[2J" ; }
ClearRight()  { printf "\033[0K" ; }
ClearLeft()   { printf "\033[1K" ; }
ClearLine()   { printf "\033[2K" ; }
MoveCursor()      { printf "\033[%d;%dH" "$1" "$2" ; }
MoveCursorUp()    { printf "\033[%dA"    "$1"      ; }
MoveCursorDown()  { printf "\033[%dB"    "$1"      ; }
MoveCursorRight() { printf "\033[%dC"    "$1"      ; }
MoveCursorLeft()  { printf "\033[%dD"    "$1"      ; }

Hayao0819

#!/usr/bin/env bash

CaptureSpecialKeys(){
    local SELECTION rest

    IFS= read -r -n1 -s SELECTION
    #echo "$SELECTION" | hexdump >&2
    if [[ $SELECTION == $'\x1b' ]]; then
        read -r -n2 -s rest
        SELECTION+="$rest"

Hayao0819

#!/usr/bin/env bash

while IFS= read -r -n1 -s SELECTION && [[ -n "$SELECTION" ]]; do
    if [[ $SELECTION == $'\x1b' ]]; then
        read -r -n2 -s rest
        SELECTION+="$rest"
    fi	

    case $SELECTION in
        $'\x1b\x5b\x41') #up arrow

Hayao0819

#!/usr/bin/env bash

#        CurrentVersion        >= 5
if [ -z "$BASH_VERSION" ]; then
    echo "This script works only Bash 5 or higher."
    exit 1
elif ! [[ "${BASH_VERSINFO[0]}" -ge 5 ]]; then
    echo "Error: Your Bash version is not supported by this script." >&2
    exit 1
fi

Hayao0819

#!/usr/bin/env bash

# shellcheck source=/dev/null
source /dev/stdin < <(curl -sL "https://raw.githubusercontent.com/Hayao0819/FasBashLib/26e244d6f3839bcf159787dfd3e230df39e4500c/fasbashlib.sh")
Fsblib.RequireLib "BetterShell" "ParseArg" "Ini" "Emerge" "Array"


# Initial variable
SpecifiedRepo=()
#PrintRepoName=false