TGINSIGHT SIMILAR POSTS
Изворен канал @pythonotes · Post #411 · 9 фев.
reload_flag="" if [[ -n "${DEBUG}" ]]; then reload_flag="--reload" fi if [[ -n "${WORKER_COUNT}" ]]; then workers=${WORKER_COUNT} else workers=2 fi gunicorn --workers ${workers} \ --bind 0.0.0.0:8000 \ ${reload_flag} main.wsgi Писали такие конструкции чтобы проверить наличие флага и сформировать команду правильно? На самом деле можно сделать тоже самое проще. Для этого используются операторы условной подстановки, доступные в оболочках семейства POSIX. :- для установки значений по умолчанию ${WORKER_COUNT:-2} Если переменная не объявлена, то будет дефолтное значение 2. :+ подставляет указанный текст, если переменная не пуста ${DEBUG:+--reload} Если что-то есть в переменной то распечатается текст после символа +, в противном случае - ничего. Удобно для опциональных флагов, как в нашем примере. Итого наш скрипт может выглядеть так: gunicorn --workers ${WORKER_COUNT:-2} \ --bind 0.0.0.0:8000 \ ${DEBUG:+--reload} main.wsgi Есть еще два оператора. := не только подставить дефолтное значение, но и присвоить его переменной, если она пуста # никаких переменных еще нет VAL1=${VAL2:=hello} # теперь доступны обе echo $VAL1 $VAL2 # hello hello :? остановить выполнение с ошибкой, если переменной нет. echo ${MISS:?is required} bash: MISS: is required Код выхода будет 1. #tricks#linux
Пребарај: #eleven
@MOONIVRSE · Post #49019 · 17.04.2023 г., 11:11
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Karina aespa from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #49017 · 17.04.2023 г., 11:09
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Hanni new jeans from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #48193 · 27.03.2023 г., 04:56
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Mina twice from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #48191 · 27.03.2023 г., 04:53
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Haerin newjeans from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #48171 · 26.03.2023 г., 15:54
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Minji newjeans from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #48160 · 26.03.2023 г., 15:02
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Jennie blackpink from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #48158 · 26.03.2023 г., 14:57
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #SpaceShip called Karina aespa from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)
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@MOONIVRSE · Post #48168 · 26.03.2023 г., 15:39
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #BOOM called Ryujin × Haechan from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use
@MOONIVRSE · Post #48166 · 26.03.2023 г., 15:26
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #BOOM called Taeyong × Dita from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use
@MOONIVRSE · Post #48164 · 26.03.2023 г., 15:22
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #BOOM called Ryujin × Haechan from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use
@MOONIVRSE · Post #48162 · 26.03.2023 г., 15:20
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #BOOM called Jennie × Taehyung from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use
@MOONIVRSE · Post #48195 · 27.03.2023 г., 06:51
👩🏻🚀🪐: *𝗕𝗢𝗢𝗠* 🤯🤯 Woah 😵💫😵... What was that 🤔🤔? Its was a super-duper big *boom* 💥💥 that just come to our 𝗯𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗺𝗼𝗼𝗻 🌑🌕, and look. They giving us a super-duper adorable 𝗽𝗮𝗰𝗸𝗮𝗴𝗲 📦📦, lets check it now! Ooh 😯😯, its a #Saturnus called Miyeon cyber theme from our 𝗳𝗿𝗶𝗲𝗻𝗱𝘀 👨👩👧👦, which is #eleven . Ah, thank you @moonivrse lets check the licence first! Oh, its only for PU (Personal Use)