gawk: Debugger
14 Debugging 'awk' Programs
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It would be nice if computer programs worked perfectly the first time
they were run, but in real life, this rarely happens for programs of any
complexity. Thus, most programming languages have facilities available
for "debugging" programs, and now 'awk' is no exception.
The 'gawk' debugger is purposely modeled after the GNU Debugger (GDB)
(https://www.gnu.org/software/gdb/) command-line debugger. If you are
familiar with GDB, learning how to use 'gawk' for debugging your program
is easy.
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