v1.3 Sept 2012 Shell Scripting Cheat Sheet Online: http://steve-parker.org/sh/sh.shtml for Unix and

v1.3 Sept 2012 Shell Scripting Cheat Sheet for Unix and Linux File Redirection Test Operators Variable Substitution > file create (overwrite) file ${V:-default} $V, or “default” if unset >> file append to file # do something ${V:=default} $V (set to “defa

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