declare-a array # or array=() # create associative array declare-A array_ass 这里关联数组其实就是hash table,可以用字符串作为下标,键值唯一。 数组赋值 array[0]="element" array_ass[keystring]="value" 数组遍历 # the size of array size=${#array[@]} # traverse for i in"${array[@]}";...
{registerinti, len;char*result;intsize, offset;char**list;/* XXX - think about making history_tokenize return a struct array, each struct in array being a string and a length to avoid the calls to strlen below. */if((list= history_tokenize (string)) ==NULL)return((char*)NULL);for(...
-a :将后面名为 variable 的变量定义成为阵列 (array) 类型 -i :将后面名为 variable 的变量定义成为整数数字 (integer) 类型 -x :用法与export一样,就是将后面的 variable 变成环境变量; -r :将变量设置成为readonly类型,该变量不可被更改内容,也不能unset 范例一:让变量sum进行 100+300+50 的加总结果 ...
/bin/sh (已经被 /bin/bash 所取代) /bin/bash (就是 Linux 预设的 shell) /bin/tcsh (整合 C Shell ,提供更多的功能) /bin/csh (已经被 /bin/tcsh 所取代) 虽然各家 shell 的功能都差不多,但是在某些语法的下达方面则有所不同,因此建议你还是得要选择 某一种 shell 来熟悉一下较佳。 Linux 预...
declare -A tmp_array for i in "$@"; do [[ $i ]] && IFS=" " tmp_array["${i:- }"]=1 done 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 ...
kcov,povray: quote array expansions to avoid extra processing (215edab) kldload,mplayer,mutt: work around nounset (5330fbe) kldunload: remove unused -X option (35017d2) known_hosts_real: match *.pub instead of *pub (470a644) known_hosts_real: use _comp_expand_glob to avoid failglob ...
如果结构数组的元素象结构变量那样也是复制的,那么对于方法调用的内存占用问题,就得好好考虑下了。...改成引用参数的方式来试试,避免复制结构数组: static void TestStrucArray2(ref Point[] arr) { Point...,元素的值被改变了,证明结构数组没有复制数组元素的值,依然是对数组的引用,上面的问题虚惊一场。......
$people = Array( Array('name' => 'Kalle', 'salt' => 856412), Array('name' => 'Pierre', 'salt' => 215863) ); for($i = 0, $size = sizeof($people); $i < $size; ++$i) { $people[$i]['salt'] = rand(000000, 999999); ...
How to get the Key/Value pair of a Bash Array? (Obtain Keys or Indices) How to get a Bash Array size? (Array length) How to remove a key from a Bash Array or delete the full array? (delete) Detailed Examples & FAQ How to shuffle the elements of an Array in a shell script? Ho...
# num_dirs is the number of directories to be listed minus one. # This is because we are indexing the dirs[] array from zero. num_dirs=0; # Default to ignoring things that start with a period. no_dots=1 # Note - the global variables 'type' and 'opts' are initialised in ...