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AFRL MSRC Bourne Shell (sh) Programming Tutorial
Short summary:
is referred to Kochan and Wood, Unix Shell Programming, and similar texts. AFRL MSRC Bourne Shell (sh) Programming Tutorial. 10. Making choices (if and case) ...
Long summary:The following are two examples of a simple shell script. As the reader can see, this is a series of commands to change to the userâ s $HOME directory, create a subdirectory, and print out the line from the env command containing the string PATH; the reader could execute these same series of commands from the command line.
n assigning a variable, there is no whitespace around the â =â operator. export changes an ordinary shell variable into an environment variable, which is passed to subshells or child shells.
The value of a shell variable is referenced by prepending a â $â to the name. Note that using double quotes (") or grav´e quotes ( ) expands to the variableâ s value before its use whereas escaping the â $â or using single quotes (´) does not.
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