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printf, print.zsh, print, printenv: add Chinese translation (#15813)
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15
pages.zh/common/print.md
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15
pages.zh/common/print.md
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# print
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> `print` 可以引用具有相同名称的多个命令.
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- 查看 Zsh 内置命令的文档:
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`tldr print.zsh`
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- 查看 `run-mailcap` 的 `print` 别名的文档:
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`tldr --platform linux print.runmailcap`
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- 查看在 Windows 上打印文本文件的文档:
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`tldr --platform windows print.win`
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25
pages.zh/common/print.zsh.md
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pages.zh/common/print.zsh.md
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# print
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> Z Shell (`zsh`) 内置。打印参数,类似于 `echo`。
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> 另请参阅:`echo`、`printf`、`zsh`。
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> 更多信息:<https://zsh.sourceforge.io/Doc/Release/Shell-Builtin-Commands.html>.
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- 打印输入:
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`print "文本1" "文本2"`
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- 以换行符分隔打印:
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`print -l "第一行" "第二行" "第三行"`
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- 不带尾随换行符打印:
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`print -n "文本"; print "文本2"`
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- 启用反斜杠转义:
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`print -e "第一行\n第二行"`
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- 按照 `printf` 所述打印参数(为了在 shell 之间实现更好的可移植性,请考虑改用 `printf` 命令):
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`print -f "%s 今年 %d 岁了。\n" "小明" 30`
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16
pages.zh/common/printenv.md
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pages.zh/common/printenv.md
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# printenv
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> 打印所有或环境变量的值。
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> 更多信息:<https://www.gnu.org/software/coreutils/manual/html_node/printenv-invocation.html>.
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- 显示所有环境变量的键值对:
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`printenv`
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- 显示特定变量的值:
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`printenv {{HOME}}`
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- 显示变量的值并以 NUL 而不是换行符结尾:
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`printenv --null {{HOME}}`
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28
pages.zh/common/printf.md
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pages.zh/common/printf.md
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# printf
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> 格式化并打印文本。
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> 更多信息:<https://www.gnu.org/software/coreutils/manual/html_node/printf-invocation.html>.
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- 打印文本消息:
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`printf "{{%s\n}}" "{{文本}}"`
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- 以粗体蓝色打印整数:
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`printf "{{\e[1;34m%.3d\e[0m\n}}" {{42}}`
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- 打印带有 Unicode 欧元符号的浮点数:
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`printf "{{\u20AC %.2f\n}}" {{123.4}}`
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- 打印由环境变量组成的文本消息:
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`printf "{{var1: %s\tvar2: %s\n}}" "{{$VAR1}}" "{{$VAR2}}"`
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- 将格式化消息存储在变量中(不适用于 Zsh):
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`printf -v {{变量名}} {{"这是 %s = %d年\n" "今" 2016}}`
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- 打印十六进制、八进制和科学计数法数字:
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`printf "{{hex=%x octal=%o scientific=%e}}" 0x{{FF}} 0{{377}} {{100000}}`
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