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What is POSIX? I have read the Wikipedia article and I read it every time I encounter the term. The fact is th
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How to echo shell commands as they are executed
In a shell script, how do I echo all shell commands called and expand any variable names? For example, given
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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
