[] array = null; // 2、创建数组 array = new int[10]; // 3、给数组元素中赋值 for (int i = 0; i array...[i] = i; } // 1、静态初始化:创建 + 赋值 int[] array2 = {0,1,2,3}; // 2、动态初始化:先创建再赋值 int[] array3 = new int[10];...如发现本站有涉嫌侵权/...
列表中的每个字符串称为元素(element)，一个列表最多可以存储2^32-1个元素。
remove_array_dups() { # Usage: remove_array_dups "array" declare -A tmp_array for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done printf '%s\n' "${!tmp_array[@]}" } 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 ...
declare -a ARRAY # Link filedescriptor 10 with stdin exec 10<&0 # stdin replaced with a file supplied as a first argument exec < $1 let count=0 while read LINE; do ARRAY[$count]=$LINE ((count++)) done echo Number of elements: ${#ARRAY[@]} # echo array's content echo ${ARRAY...
printf '%s\n' "${!tmp_array[@]}" } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 用法示例: $ remove_array_dups 1 1 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 5 1 2 3 4 5 $ arr=(red red green blue blue) $ remove_array_dups "${arr[@]}" ...
Find Length of Associative Array To check the array length, prefix the array with the hash symbol (#) and print all the array elements. For example: echo ${#example_array[@]} The command prints the element count to the console.
For example, let’s create a Bash script that has an array of 5 elements and print each element using thewhileloop. #!/bin/bash city=("Washington" "New_York" "Texas" "Chicago" "Austin") i=0 while [ $i -lt ${#city[@]} ] ...
The collection-controlled loop iterates over all the elements of an array, or all the items of a list. This loop generally uses a foreach loop or a for in loop construct and may not be available in all programming languages. What are the different Bash loop constructs?
How to get a Bash Array size? (Array length) Another useful aspect of manipulating Bash Arrays is to be able to get the total count of all the elements in an array. You can get the length (i.e. size) of an Array variable with the # (hashtag) notation. ...
elements separated by at least one white space for instance with: Or you could do the splitting of the elements into further whitespace-delimited words and count them in the shell itself. / (split on SPC/TAB/NL) / / ( splitting, SPC/TAB/NL by default) Using this with your array: ...