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quick n dirty
Forum:
Programming
02-03-2009
11
check the given string is numeric or not.
37,270
Posted By
quick n dirty
A bad way to check this is to use expr :) If...
A bad way to check this is to use expr :)
If VAL is the value you want to check ...
[ "X`expr $VAL + 0 2>/dev/null`" != "X" ] || echo "$VAL is not numeric"
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