awk从入门到入土(21)awk脚本调试
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awk支持调试模式,像gdb一样设置断点、单步调试awk脚本。
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victory@victory-ThinkPad-T490:~$ cat script.awk
#!/usr/bin/awk -f
BEGIN
for (i = 1; i <= 5; ++i)
print i
victory@victory-ThinkPad-T490:~$ awk --debug -f script.awk
gawk> h
backtrace:
backtrace [N] - print trace of all or N innermost (outermost if N < 0) frames
break:
break [[filename:]N|function] - set breakpoint at the specified location
clear:
clear [[filename:]N|function] - delete breakpoints previously set
commands:
commands [num] - starts a list of commands to be executed at a breakpoint(watchpoint) hit
condition:
condition num [expr] - set or clear breakpoint or watchpoint condition
continue:
continue [COUNT] - continue program being debugged
delete:
delete [breakpoints] [ran
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