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tldr/pages.zh/common/echo.md
2020-10-04 18:33:38 +01:00

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echo

输出给定参数.

  • 输出文本信息. 注意: 引号是可选的:

echo "{{Hello World}}"

  • 输出带有环境变量的信息:

echo "{{My path is $PATH}}"

  • 打印不带尾随换行符的信息:

echo -n "{{Hello World}}"

  • 向文件添加信息:

echo "{{Hello World}}" >> {{file.txt}}

  • 启用反斜杠转义的解释(特殊字符):

echo -e "{{Column 1\tColumn 2}}"