从每个参数中删除尾部斜杠的最简单方法是什么? [英] What is the simplest way to remove a trailing slash from each parameter?

问题描述

从'$ @'数组中的每个参数中删除斜杠的最简单方法是什么，以便rsync按名称复制目录?

What is the simplest way to remove a trailing slash from each parameter in the '$@' array, so that rsync copies the directories by name?

rsync -a --exclude='*~' "$@" "$dir"

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为澄清起见，标题已更改.要了解注释和有关多个斜杠的答案，请参阅编辑历史记录.

推荐答案

您可以使用详细说明${parameter%word}扩展.html#Shell-Parameter-Expansion"rel =" noreferrer>此处.这是一个演示行为的简单测试脚本:

You can use the ${parameter%word} expansion that is detailed here. Here is a simple test script that demonstrates the behavior:

#!/bin/bash

# Call this as:
#   ./test.sh one/ two/ three/ 
#
# Output:
#  one two three

echo ${@%/}

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