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The shell expanded variables once during the processing of the echo statement. It does not then loop to see if any new variable references were created.

If you want to expand a variable inside a...

How about this:

#!/bin/sh
sed -n \
-e '/\-\-SELECT/ s/^.*\-\-//p' \
-e '/\-\-UPDATE/ s/^.*\-\-//p' \
-e '/\-\-DELETE/ s/^.*\-\-//p' \
-e '/#STMT#/...

Yep your spot on with your analysis.

To explain \([^]]*\) as you say the \( and \) are for grouping and store the matching string in \1 so we are just left with [^]]* which is: zero or more non...

Probably it does, but there are many implementations, so if it is undocumented, you will have to experiment, or look at the source.

rexec is insecure and should be replaced by ssh if at all...

I like the method with cpp to find the macros in the headers.

There you also write:

Instead of ARG_MAX it's still NCARGS there, like in early unix variants.
However, SunOS 4 knows...

Hi,

You cannot use a range pattern inside another range pattern, but you could do something like this: /major_start/ { major_block=1 }
major_block ...