bash array append
The problem is with printing ie echo $fa . This is equivalent to echo $fa[0]} which means the first element of the array, so you got element1, You cannot refer variable updates made in the child process (pipe connected while block). Instead, feed data using input redirection like this:
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 bash array append 相關參考資料
Add a new element to an array without specifying the index in Bash ...
Bash Reference Manual: In the context where an assignment statement is assigning a value to a shell variable or array index (see Arrays), the '+=' operator can be used to append to or add to ... https://stackoverflow.com bash - Add element into Array - Stack Overflow
The problem is with printing ie echo $fa . This is equivalent to echo $fa[0]} which means the first element of the array, so you got element1 https://stackoverflow.com bash - How do I append an item to an array in a pipeline? - Unix ...
You cannot refer variable updates made in the child process (pipe connected while block). Instead, feed data using input redirection like this: https://unix.stackexchange.com Generating a list of IP addresses in a Bash loop - Stack Overflow
0..255}). If you want the addresses in an array, you can skip the echo and command ... If you wanted to append to an array in a loop, you'd use https://stackoverflow.com How to append a string to each element of a Bash array? - Stack ...
To help you understand arrays and their syntax in bash the ... You can append a string to every array item even without looping in Bash! https://stackoverflow.com how to concatenate arrays in bash? - Stack Overflow
...or use the modern syntax for performing an append: ... The first line is to take input array, second to concatenate and last to print the array. https://stackoverflow.com Mutable list or array structure in Bash? How can I easily append ...
Since Bash uses sparse arrays, you shouldn't use the element ... The rather obscure syntax for appending to the end of an array in bash is: https://stackoverflow.com shell script - How to addremove an element tofrom the array in ...
To add an element to the beginning of an array use. ... Note that arrays in bash (copied from ksh) are rather associative arrays. a=(newvalue ... https://unix.stackexchange.com shell script - How to addremove an element tofrom the array in bash ...
To add an element to the beginning of an array use. ... Note that arrays in bash (copied from ksh) are rather associative arrays. a=(newvalue ... https://unix.stackexchange.com |