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目录 Perl 学习 常用记录 基础 1. 运行perl 2. 字符串 3. 变量 4. 条件 5. 循环 6. 运算符 7. 时间日期 8. 子程序（函数） ...

Nvidia 2019 perl 笔试题 统计一个文件内单词的频次并排序 文本如下： "ALL happy families resemble one another; every unhappy family is unhappy in its own way. All was confusion in the house of Oblonskys. The wife had dic...

Nvidia 2019 笔试题 ## 源代码 ```perl #!/usr/bin/perl open(IN,"<nv_data1.txt") or die “File does not exist!”; while (){ chomp; #删除\n print("KaTeX parse error: Undefined control sequen...