Perl, while it did not replace any single language that was becoming stale, combined features of several little languages like sed, awk, and shell scripts, along with a lot of C-style expressions.
Perl虽然没有取代任何将要陈旧的单个语言，但是它组合了一些小语言，像sed、awk和shell脚本的特性，以及许多c风格的表达式。
Probably some standard Unix shell tools like awk, sed, or tr could be used cleverly to get the precise output desired.
也许可以聪明地使用一些标准的Unix shell工具，如awk、sed或者tr，以准确得到所需要的输出。
Of course, you also have the full power of the Linux or UNIX commands such as sed or awk for more complex jobs, but you should also know how to use shell expansions.
当然，您仍然拥有Linux或UNIX命令(如sed或awk)的全部功能来执行更复杂的工作，但是您也应该了解如何使用shell扩展。
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