Hi,
i want to check if a variable var1 is not a or b or c
pseudo code:
If NOT (var1 = a or var1 = b or var1 = c)
then
...
fi
I want to use POSIX complaint Korn shell, and for string comparison
For the following code, logical.sh
Code:
#!/usr/bin/ksh
var="j"
echo "Var : $var"
if ! { [ "$var" = a ] || [ "$var" = b ] || [ "$var" = b ] ;}
then
echo "var not in the list"
else
echo "var in the list"
fi
var="b"
echo "Var : $var"
if ! { [ "$var" = a ] || [ "$var" = b ] || [ "$var" = b ] ;}
then
echo "var not in the list"
else
echo "var in the list"
fi
I gave execute permissions to the script, however it only seems to run good when run by 'sh ' and not by the script itself.
We run all our jobs without specifying 'sh ' ahead
$ chmod 777 logical.sh
$ logical.sh
Var : j
./logical.sh[3]: syntax error at line 6 : `}' unexpected
$ sh logical.sh
Var : j
var not in the list
Var : b
var in the list
$
Where am i going wrong?
Is it necessary to enclose the variable in double quotes but not the literals on the other side of comparison operator?
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