ARRAY=( 'Debian Linux' 'Redhat Linux' Ubuntu Linux ) # get number of elements in the array ELEMENTS=${#ARRAY[@]} # echo each element in array # for loop for (( i=0;i<$ELEMENTS;i++)); do echo ${ARRAY[${i}]} done
8.1. Declare simple bash array #!/bin/bash #Declare array with 4 elements ARRAY=( 'Debian Linux' 'Redhat Linux' Ubuntu Linux ) # get number of elements in the array ELEMENTS=${#ARRAY[@]} # echo each element in array # for loop for (( i=0;i<$ELEMENTS;i++)); do echo ${ARRAY...
Length of first element of array:显示属组中第几号元素中字符长度; ${#array} ${#array[0]}(属组当中第0号元素当中有多少个字符长度) ${#array[1]} Number of elements in array:(显示AA数组中元素有赋值不为空的个数) ${#array[*]} ${#array[@]} ${#array[8]} 写一个脚本: 随机从同学们...
# Here pipe is our delimiter value IFS="|" read -a listFiles <<< $listOfFilesSelected #echo "File: ${listFiles[@]}" # get length of an array #arraylength=${#listFiles[@]} #echo "${listFiles[0]}" ##echo $'\n' #echo "Number of elements in the array: ${#listFiles[@]}" f...
在Redis中，可以对列表两端插入(push)和弹出(pop)，还可以获取指定范围的元素列表、获取指定索引下标的...
echo ${#sounds[@]} # Number of elementsunset sounds[dog] # Delete dog 迭代 123 for val in "${sounds[@]}"; do echo $valdone 123 for key in "${!sounds[@]}"; do echo $keydone Bash 条件句 整数条件 条件描述 [[ NUM -eq NUM ]] 等于Equal [[ NUM -ne NUM ]] 不等于 Not ...
Get all elements of an array ${array_name[@]} Get length of an array ${#array_name[@]} ${#array_name[*]} Get length of element n ${#array_name[n]} Through an array for data in ${array[@]}; do echo ${data} done 5. 函数 Define firstly and then use it. Two ways to ...
In this example, we have an arraynumberswith five elements. We use a ‘for’ loop to iterate through each element in the array. Inside the loop, we have a conditional ‘if’ statement that checks if the current number is even or odd (using the modulus operator%). Depending on the resu...
get: Solution 1: To print the number of elements in an array variable in various shells with array support: / / / / / : ¹/ ¹/ : : : Bourne/POSIX shells (where the only array is ): Now for the number of whitespace delimited words in all the elements of an array variable, ...
# define array value my_array=("aaa" "bbb" "ccc" "ddd") my_array[0]="eee" # get array element echo ${my_array[0]} echo # get array all elements echo ${my_array[*]} echo ${my_array[@]} # get number of array elements ...