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Syntactic Errors
One general class of errors is syntactic. Syntactic errors involve mistyping some element of shell syntax. In most cases, the shell will refuse to execute a script containing this type of error.
In the following discussions, we will use this script to demonstrate common types of er- rors:
#!/bin/bash
# trouble: script to demonstrate common errors number=1
if [ $number = 1 ]; then
echo "Number is equal to 1." else
echo "Number is not equal to 1."
fi
#!/bin/bash
# trouble: script to demonstrate common errors number=1
if [ $number = 1 ]; then
echo "Number is equal to 1." else
echo "Number is not equal to 1."
fi
As written, this script runs successfully:
[me@linuxbox ~]$ trouble
Number is equal to 1.
[me@linuxbox ~]$ trouble
Number is equal to 1.