运行脚本以针对目录或文件。

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运行脚本以针对目录或文件。

我有一个能解析文本文件并从输出中创建新文件的工作脚本。我该如何将此脚本针对单个文件或文件目录运行?以下是工作脚本的一般概述。谢谢您的帮助。

#!/usr/bin/env bash
if [ -f "$1" ]; then
    *Run Some Commands against file* "$1" >> NewFile.txt
    echo "Complete. Check NewFile.txt"
else
    echo "Expected a file at $1, but it doesn't exist." >&2
fi

admin 更改状态以发布 2023年5月21日
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2 答案

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一种更简单的解决方案（也是递归的）是将其变为X维：

#!/usr/bin/env bash
if [ -d $1 ]; then
  for i in $1/*; do
    # start another instance of this script
    $0 $1/$i
  done
fi
if [ -f "$1" ]; then
    *Run Some Commands against file* "$1" >> NewFile.txt
    echo "Complete. Check NewFile.txt"
else
    echo "Expected a file at $1, but it doesn't exist." >&2
fi

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您可以检查传递的参数是否是一个目录，如果是，就编写一个循环来处理该目录中的文件:

#!/usr/bin/env bash
if (($# = 0)); then
    echo "No arguments given" >&2
    exit 2
fi
arg=$1
if [ -f "$arg" ]; then
    *Run Some Commands against file* "$1" >> NewFile.txt
    echo "Complete. Check NewFile.txt"
elif [ -d "$arg" ]; then
    shopt -s nullglob
    for file in "$arg"/*; do
        # run command against "$file"
    done
else
    echo "Expected a file or directory as $1, but it doesn't exist." >&2
fi

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