bash 如何让 Perl 和 Python 打印正在执行的程序的每一行？
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How can I make Perl and Python print each line of the program being executed?
提问by Vi.
I know that bash -x script.shwill execute script printing each line before actual execution.
How to make Perl and Python interpreters do the same?
我知道这bash -x script.sh将在实际执行之前执行打印每一行的脚本。如何让 Perl 和 Python 解释器做同样的事情？
回答by msw
Devel::Traceis the Perl analogue, the trace moduleis Python's.
Devel::Trace是 Perl 的类似物，trace 模块是 Python 的。
回答by mob
Devel::DumpTracewas released in 2011 and has more features than Devel::Trace, such as evaluating variable values in the trace output.
Devel::DumpTrace于 2011 年发布，具有比 多的功能Devel::Trace，例如评估跟踪输出中的变量值。
