晓风残月

set MY_VAR "some value"

set CONFIG_FILE_DIFF_OUTPUT (diff ~/Downloads/config.fish ~/.config/fish/config.fish)
set GIT_STATUS_OUTPUT (git status --porcelain)

set MY_VAR $MY_VAR "another value"

set MY_LIST "value1" "value2" "value3"

set OUR_VAR (math 1+2)
set OUR_VAR (date +%s)
set OUR_VAR (math $OUR_VAR / 60)

set LIST one two three
echo $LIST[1]  # one
echo $LIST[2]  # two
echo $LIST[3]  # three
echo $LIST[-1] # 上の行と同じ

set LIST one two three
echo $LIST[1..2]  # one two
echo $LIST[2..3]  # two three
echo $LIST[-1..2] # three two

set FOLDERS bin
set FOLDERS $FOLDERS .atom
set FOLDERS $FOLDERS "my foldername"
for FOLDER in $FOLDERS
  echo "item: $FOLDER"
end

set FOLDERS bin .atom "my foldername"
for FOLDER in $FOLDERS
  echo "item: $FOLDER"
end

set FOLDERS bin .atom "my foldername"
for FOLDER in $FOLDERS ; echo "item: $FOLDER" ; end

if test (count $argv) -lt 2
  echo "Usage: my-script <arg1> <arg2>"
  echo "Eg: <arg1> can be 'foo', <arg2> can be 'bar'"
else
  echo "👋 Do something with $arg1 $arg2"
end

if test $hostname = "mymachine"
  echo "hostname is mymachine"
end

if test -e "somefile"
  echo "somefile exists"
end

if test -d "somefolder"
  echo "somefolder exists"
end

set -l files ~/Downloads/*.mp4 # このワイルドカード式は展開され、実際のファイルを含みます
if test (count $files) -gt 0
  mv ~/Downloads/*.mp4 ~/Videos/
  echo "📹 Moved '$files' to ~/Videos/"
else
  echo "⛔ No mp4 files found in Downloads"
end

if not test -d "somefolder"
  echo "somefolder does not exist"
end

if (git pull -f --rebase)
  echo "git pull with rebase worked without any issues"
else
  echo "Something went wrong that requires manual intervention, like a merge conflict"
end

if sudo umount /media/user/mountpoint
  echo "Successfully unmounted /media/user/mountpoint"
end

set GIT_STATUS (git status --porcelain)
if set -q $GIT_STATUS ; echo "No changes in repo" ; end
if test -z "$GIT_STATUS" ; echo "No changes in repo" ; end

function requires-two-arguments
  # 引数が渡されていない
  if set -q "$argv"
    echo "Usage: requires-two-arguments arg1 arg2"
    return 1
  end
  # 引数が1つだけ渡されている
  if test -z "$argv[1]"; or test -z "$argv[2]"
    echo "arg1 or arg2 can not be empty"
    return 1
  end
  echo "Thank you, got 1) $argv[1] and 2) $argv[2]"
end

if test -z "$variable" ; echo "empty" ; else ; echo "non-empty" ; end

if test -n "$variable" ; echo "non-empty" ; else ; echo "empty" ; end

if not string match -q "*md" $argv[1]
  echo "The argument passed does not end in md"
else
  echo "The argument passed ends in md"
end

set CHECKSUM_ARRAY_STRING (shasum $FILENAME)
set CHECKSUM_ARRAY (string split "  " $SOURCE_CHECKSUM_ARRAY)
set CHECKSUM $CHECKSUM_ARRAY[1]

if string match -q "*myname*" $hostname
  echo "$hostname contains myname"
else
  echo "$hostname does not contain myname"
end

if test $hostname = "machine-name"
  echo "Exact match"
else
  echo "Not exact match"
end

if set -q $my_variable
  echo "my_variable is empty"
end

# $packageName がインストールされている場合は "true" を返し、そうでない場合は "false" を返します。
# これを if 文で次のように使用します：
#
# if string match -q "false" (isPackageInstalled my-package-name)
#   echo "my-package-name is not installed"
# else
#   echo "my-package-name is installed"
# end
function isPackageInstalled -a packageName
  set packageIsInstalled (dpkg -l "$packageName")
  if test -z "$packageIsInstalled"
    set packageIsInstalled false
  else
    set packageIsInstalled true
  end
  echo $packageIsInstalled
end

# パッケージがインストールされているかどうかを確認するための詳細情報: https://askubuntu.com/a/823630/872482
if test (uname) = "Linux"

  echo "🐒isPackageInstalled does-not-exist:" (isPackageInstalled does-not-exist)

  if string match -q "false" (isPackageInstalled ruby-dev) ;
    or string match -q "false" (isPackageInstalled ruby-bundler)
    # ruby をインストールします
    echo "ruby-bundler または ruby-dev がインストールされていません; 今すぐインストールします..."
    echo sudo apt install -y ruby-bundler ruby-dev
  else
    bundle install
    bundle update
    bundle exec jekyll serve
  end

end

switch $hostname
case "*substring1*"
  echo "Matches $hostname containing substring1"
case "*substring2*"
  echo "Matches $hostname containing substring2"
end

if test (uname) = "Darwin"
  echo "Machine is running macOS"
  switch $hostname
  case "*MacBook-Pro*"
    echo "hostname has MacBook-Pro in it"
  case "*MacBook-Air*"
    echo "hostname has MacBook-Air in it"
  end
else
  echo "Machine is not running macOS"
end

echo "ls \
  -la" | sh

function say_hi
  echo "Hi $argv"
end
say_hi
say_hi everbody!
say_hi you and you and you

function testFunction -a param1 param2
  echo "arg1 = $param1"
  echo "arg2 = $param2"
end
testFunction A B

# 引数名にはダッシュを含めることができないことに注意してください。アンダースコアのみ使用できます。
function my-function -a extension search_term
  if test (count $argv) -lt 2
    echo "Usage: my-function <extension> <search_term>"
    echo "Eg: <extension> can be 'fish', <search_term> can be 'test'"
  else
    echo "✋ Do something with $extension $search_term"
  end
end

function getSHAForFilePath -a filepath
  set NULL_VALUE ""
  # $filepath が提供されていない、または $filepath が存在しない場合 -> $NULL_VALUE で早期リターン。
  if set -q $filepath; or not test -e $filepath
    echo $NULL_VALUE
    return 0
  else
    set SHASUM_ARRAY_STRING (shasum $filepath)
    set SHASUM_ARRAY (string split "  " $SHASUM_ARRAY_STRING)
    echo $SHASUM_ARRAY[1]
  end
end

function testTheFunction
  echo (getSHAForFilePath ~/local-backup-restore/does-not-exist.fish)
  echo (getSHAForFilePath)
  set mySha (getSHAForFilePath ~/local-backup-restore/test.fish)
  echo $mySha
end

testTheFunction

set MY_FOLDER_PATH (dirname (status --current-filename))
source $MY_FOLDER_PATH/my-script.fish

set MY_FOLDER_PATH (realpath (dirname (status --current-filename)))
source $MY_FOLDER_PATH/my-script.fish

# echo "echo 'ClientAliveInterval 60' >> recurring-tasks.log" | xargs -I% sudo sh -c %
set linesToAdd "TCPKeepAlive yes" "ClientAliveInterval 60" "ClientAliveCountMax 120"
for line in $linesToAdd
  set command "echo '$line' >> /etc/ssh/sshd_config"
  executeString "$command | xargs -I% sudo sh -c %"
end

# 複数行の文字列を書き込む方法に関する詳細情報: https://stackoverflow.com/a/35628657/2085356
function _workflowWriteEmptyMarkdownContentToFile --argument datestr filename
  echo > $filename "\
---
Title: About $filename
Date: $datestr
---
<!-- START doctoc generated TOC please keep comment here to allow auto update -->
<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->

<!-- END doctoc generated TOC please keep comment here to allow auto update -->

# Your heading
"
end

function myFunction
  if test (count $argv) -lt 2
    set -l currentFunctionName (status function)
    echo "Usage: "(set_color -o -u)"$currentFunctionName"(set_color normal)\
      (set_color blue)" <arg1> "\
      (set_color yellow)"<arg2>"(set_color normal)
    set_color blue
    echo "- <arg1>: Something about arg1."
    set_color yellow
    echo "- <arg2>: Something about arg2"
    set_color normal
    return 1
  end
end

# fish read 関数を使用してユーザーに確認を求める方法に関する詳細情報: https://stackoverflow.com/a/16673745/2085356
# fish `read` 関数に関する詳細情報: https://fishshell.com/docs/current/cmds/read.html
function _promptUserForConfirmation -a message
  if not test -z "$message"
    echo (set_color brmagenta)"🤔 $message?"
  end

  while true
    # read -l -P '🔴 Do you want to continue? [y/N] ' confirm
    read -l -p "set_color brcyan; echo '🔴 Do you want to continue? [y/N] ' ; set_color normal; echo '> '" confirm
    switch $confirm
      case Y y
        return 0
      case '' N n
        return 1
    end
  end
end

if _promptUserForConfirmation "Delete branch $featureBranchName"
  git branch -D $featureBranchName
  echo "👍 Successfully deleted $featureBranchName"
else
  echo "⛔ Did not delete $featureBranchName"
end

echo "./.Android" | sed 's/.\///g'

set folder .Android*
find ~ -maxdepth 1 -name $folder | sed 's/.\///g' | \
  xargs -I % echo "cleaned up name: %"

ls | xargs -I % echo "folder: %"

folder: idea-http-proxy-settings
folder: images
folder: tmp

echo "token1:token2" | cut -d ':' -f 1

cd ~/github/developerlife.com
echo \
"find . -name '*html' | \
 xargs grep fonts.googleapis | \
 cut -d ':' -f 1 | \
 xargs subl" \
 | sh

function timed -d 実行したいプログラムや関数を引数として渡します
  set START_TS (date +%s)

  # ここにあなたのコードが入ります。
  $argv

  sleep 5

  set END_TS (date +%s)
  set RUNTIME (math $END_TS - $START_TS)
  set RUNTIME (math $RUNTIME / 60)
  echo "⏲ Total runtime: $RUNTIME min ⏲"
end