NBash

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#!/bin/bash
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# Цикл for in
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some_array=(one 2 three 4 five "si@x" seven 'eight%' nine ten 'He&$\llo my friend!')
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readonly some_array
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for item in "${some_array[@]}"
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do
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    echo "$item"
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done
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echo "--------------------------------"
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for item in "${some_array[@]}"
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do
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    if [[ ${#item} -eq 3 ]]
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    then
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        echo "$item Длина строки равна 3"
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    else
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        echo "$item Длина строки не равна 3"
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    fi
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done
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echo "--------------------------------"
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for item in "${some_array[@]}"
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do
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    if [[ $item =~ [@#$%\&*+=-] ]]
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    then
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        echo "$item - содержит спецсимволы"
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    fi
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done
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echo "--------------------------------"
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readonly PATH_FOR_CHECK="/home/stas0n/Загрузки/Test"
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for item in "$PATH_FOR_CHECK"/*
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do
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    if [ -d "$item" ]
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    then
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        echo "$item"
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    fi
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done
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echo "--------------------------------"
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new_array=()
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for ((i = 100; i >=0; i--))
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{
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    new_array+=("$i")
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}
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echo "${new_array[@]}"
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