Problem scenario
You are trying to sell a stock. You see an option for “Sell Short”, but no “Sell” button. You want to do a regular sell as a trade. You don’t want to try to “short” a stock. What should you do?

Possible Solution
It is good to be observant because a “Sell Short” option is different from a regular sale of stock.

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Continue reading “Does a “Sell Short” Button Do What a Regular “Sell” Button Would Do?”

Problem scenario
You have a Bash script with a task that is supposed to redirect the output to a file. The command produces output when you manually run it. But the output is not getting to the file. What could be wrong?

Possible Solution
If the output of the automation has a message and the OS is Linux, the command may or may not work.

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Continue reading “How Do You Troubleshoot a Linux Script Not Redirecting the Output to a File?”

Problem scenario
You are running the “configure” script on a RHEL server. You get this error:

“‘configure’ was unable to find any version of the GTK libraries on your system.”

What should you do?

Solution
Run this:

sudo yum -y install gtk2-devel …

Continue reading “How Do You Troubleshoot “‘configure’ was unable to find any version of the GTK libraries on your system.”?”

Problem scenario
You want to count the number of “(” (open parens) in a string. How do you parse a string in Bash?

Solution
Remember to use awk. The -F flag can allow you to designate a character to count and the NF flag can count the occurrences.

echo “continualintegration” | awk -F “o” ‘{print NF-1}’

echo “c(ntinua((lintegrati(n” | awk -F “(” ‘{print NF-1}’

You may also want to see this posting parse an array.

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Continue reading “How Do You Parse a String in Bash?”