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likohank/t.sh

Created August 28, 2018 05:10
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  1. likohank created this gist Aug 28, 2018.
    32 changes: 32 additions & 0 deletions t.sh
    View file
    Original file line number Diff line number Diff line change
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    if [[ " ${array[@]} " =~ " ${value} " ]]; then
    # whatever you want to do when arr contains value
    fi
    ------------------------------------------------------
    if [[ ! " ${array[@]} " =~ " ${value} " ]]; then
    # whatever you want to do when arr doesn't contain value
    fi
    ------------------------------------------------------
    if [[ " ${!array[@]} " =~ " ${value} " ]]; then
    # whatever you want to do when arr contains value
    fi
    ------------------------------------------------------
    ${!array[@]} 获取所有的key
    ${array[@]} 获取所有的value
    ------------------------------------------------------
    Indexed arrays use positive integer numbers as keys.
    Shell 的 Array 数组 使用正整数作为key
    --------------------
    http://wiki.bash-hackers.org/syntax/arrays


    array=()
    declare -a ARRAY
    直接声明的数组不支持 字符串做为索引，只支持正整数作为key。

    如要要声明 关系型数组，需要使用
    declare -A ARRAY
    declare -A ARRAY Declares an associative array ARRAY. This is the one and only way to create associative arrays.

    ------------------------------------------------------