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#Linux #tips @浅影随想
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#Linux #tips
如何在 shell 脚本中判断软件是否存在

if ! command -v <the_command> &> /dev/null
then
    echo "<the_command> could not be found."
    exit 1
fi


via. lhunath@stackoverflow

浅影随想
#Linux #tips
如何在 shell 脚本中判断软件是否存在

if ! command -v <the_command> &> /dev/null
then
    echo "<the_command> could not be found."
    exit 1
fi


via. lhunath@stackoverflow
hottg.com/lightFantasy/2907
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What is Secret Chats of Telegram

Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.

#Linux #tips

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