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check for error number
0 votos
September 1st, 2006 mysurface
Error or no success running a command always return a number, usually it will return 0 unless it occurs an error. To check what error number it returns, do this after command is done.
echo $?
To test this, simply ls something doesn’t exist, then it will return value 2. Sometimes, you can obtain the error number, [...]
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