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: #amritmahotsav
@MyGovHindi · Post #6738 · 15.05.2023 г., 10:51
क्या आप है #NewIndia के उभरते हुए अगले मास्टर शेफ? 👨🍳👩🍳 तो हो जाएं तैयार... युवा प्रतिभा पाक कला प्रतियोगिता में भाग लें और ₹1 लाख तक की नकद राशि जीतें। #AmritMahotsav भाग लेने एवं अधिक जानकारी हेतु विजिट करें: https://innovateindia.mygov.in/culinary-challenge/
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@MyGovHindi · Post #6734 · 14.05.2023 г., 08:19
क्या आप है #NewIndia के उभरते हुए अगले मास्टर शेफ? 👨🍳👩🍳 तो हो जाएं तैयार... युवा प्रतिभा पाक कला प्रतियोगिता में भाग लें और ₹1 लाख तक की नकद राशि जीतें। #AmritMahotsav भाग लेने एवं अधिक जानकारी हेतु विजिट करें: https://innovateindia.mygov.in/culinary-challenge/
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@MyGovHindi · Post #6730 · 13.05.2023 г., 05:06
क्या आप है #NewIndia के उभरते हुए अगले मास्टर शेफ? 👨🍳👩🍳 तो हो जाएं तैयार... युवा प्रतिभा पाक कला प्रतियोगिता में भाग लें और ₹1 लाख तक की नकद राशि जीतें। #AmritMahotsav भाग लेने एवं अधिक जानकारी हेतु विजिट करें: https://innovateindia.mygov.in/culinary-challenge/
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@MyGovCoronaNewsdesk · Post #12701 · 12.05.2023 г., 13:24
Calling all foodies and culinary enthusiasts👩🍳👨🍳 Put your cooking skills to the test and stand a chance to win ₹1 lakh by participating in the #YuvaPratibha Culinary contest. Let's discover the versatility of millet in the kitchen. #PCC #AmritMahotsav Visit: https://innovateindia.mygov.in/culinary-challenge/
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@MyGovCoronaNewsdesk · Post #12791 · 06.06.2023 г., 17:24
🎤🌟 Calling all aspiring singers! Your moment in the spotlight has arrived. Join the electrifying '#YuvaPratibha Singing Talent Hunt' on #MyGov and let your voice mesmerize the nation. 🎶✨ Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha #AmritMahotsav
@MyGovCoronaNewsdesk · Post #12752 · 22.05.2023 г., 05:54
Showcase your singing talent in front of legendary singer Shankar Mahadevan! Participate in #YuvaPratibha Singing Talent Hunt on #MyGov Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha#MyGov#AmritMahotsav
@MyGovCoronaNewsdesk · Post #12745 · 20.05.2023 г., 14:25
Showcase your singing talent in front of legendary singer Shankar Mahadevan! Participate in #YuvaPratibha Singing Talent Hunt on #MyGov Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha#MyGov#AmritMahotsav
@MyGovCoronaNewsdesk · Post #12730 · 19.05.2023 г., 14:07
Showcase your singing talent in front of legendary singer Shankar Mahadevan! Participate in #YuvaPratibha Singing Talent Hunt on #MyGov Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha#MyGov#AmritMahotsav
@MyGovCoronaNewsdesk · Post #12727 · 18.05.2023 г., 14:49
Showcase your singing talent in front of legendary singer Shankar Mahadevan! Participate in #YuvaPratibha Singing Talent Hunt on #MyGov Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha#MyGov#AmritMahotsav
@MyGovCoronaNewsdesk · Post #12724 · 17.05.2023 г., 15:02
Showcase your singing talent in front of legendary singer Shankar Mahadevan! Participate in #YuvaPratibha Singing Talent Hunt on #MyGov Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha#MyGov#AmritMahotsav
@MyGovCoronaNewsdesk · Post #12712 · 16.05.2023 г., 04:41
Your singing talent can win you an incredible prize! Participate in the much-awaited event #YuvaPratibha Singing Talent Hunt and win up to ₹1.5 LAKH. https://youtu.be/nsqcAHwnzEQ Visit: https://innovateindia.mygov.in/singing-challenge/ #SingWithYuvaPratibha#MyGov#AmritMahotsav
@MyGovCoronaNewsdesk · Post #12754 · 22.05.2023 г., 10:04
Let your art visualize your thoughts! Participate in the #YuvaPratibha painting talent hunt on #MyGov. Visit: https://innovateindia.mygov.in/painting-challenge/ #YuvaPaintYourDreams #YuvaPratibha #AmritMahotsav