Hello!
In MS-DOS batchfiles, there's this thing called error codes or error levels
that's generated whenever a program or batchfiles exits/terminates. For
example, for normal termination, it would be '0' or let's say '1' if a
certain event was trapped by a batchfile. In MS-DOS, this is the
environment %ERRORLEVEL%. What is it's equivalent on *NIX/Linux shells,
preferably in bash.
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Gideon N. Guillen
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