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ilkkachu
ilkkachu
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The user can write in my bashBash script a mac address in the following way:

read -p "enter mac-address " mac-address

Now i want to check in an if-statement, if this mac-address matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.

The user can write in my bash script a mac address in the following way:

read -p "enter mac-address " mac-address

Now i want to check in an if-statement, if this mac-address matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.

The user can write in my Bash script a mac address in the following way:

read -p "enter mac-address " mac-address

Now i want to check in an if-statement, if this mac-address matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.

added 2 characters in body
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idontknowwhoiamgodhelpme
idontknowwhoiamgodhelpme
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The user can write in my bash script a mac address in the following way:

read -p "enter mac-address " mac-adressaddress

Now i want to check in an if-statement, if this mac-adressaddress matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.

The user can write in my bash script a mac address in the following way:

read -p "enter mac-address " mac-adress

Now i want to check in an if-statement, if this mac-adress matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.

The user can write in my bash script a mac address in the following way:

read -p "enter mac-address " mac-address

Now i want to check in an if-statement, if this mac-address matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.

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idontknowwhoiamgodhelpme
idontknowwhoiamgodhelpme
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  • 1
  • 2
  • 7

How to check if input string matches a specific format?

The user can write in my bash script a mac address in the following way:

read -p "enter mac-address " mac-adress

Now i want to check in an if-statement, if this mac-adress matches with a "specific" format. i.e. it should be FF:FF:FF:FF:FF:FF and not FFFFFFFFFFFF. Also the length should be correct: 6x2.