David McDowell said the following:
Ok, the relationship between %U abnd $2 makes sense now. I changed
the _ to - and now I have filenames: -Feb27-160509.pdf so the _ was
part of it, but I'm still not getting a username value.
Variable names in bash can have underscores in them, so
you need to do something like this to draw the line between
the variable name and your delimiters.
filename=${user}_${date}_${whatever}
This trick is useful if you are using a delimiter like "x".
Otherwise, how would bash know that the x's are not part
of the variable names? filename=$userx$datex$whatever
will not work, filename=${user}x${date}x${whatever} will.
Alan
.
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