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It depends!

Why are you using tail -f in the first place? I imagine to print out something like a log file as it is being written. In that case you need to first ask yourself how do you know you...

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As I was saying, if you have a file called prog.c you can type
make prog
make has its own build in rules and will know how to create prog from prog.c

A simple...

There are several things to note, keep in mind that the make utility and makefiles are extremely versatile and can become extremely complicated.

I'll start at the beginning with some basics, if...

How can I see what at jobs are scheduled. I don't mean using atq or at -l for the jobs, but rather what actual commands are scheduled? For example with at 1940 < at_script, once the job is...

Thanks, I can use that to get a final version.

Thanks for the reply.

I was looking for confirmation of the difficaulty because of merged features, I know of the poll/select difference and have seen scripts that check for certain directory...

How can I check what kornshell version I am using at runtime from within a kornshell script?

Can we determine (reliably or guaranteed) at runtime if a system is SVR4 or BSD based, using two methods, shell and binary (C code)?

Thanks Perderabo

I like your style of thinking

I actually mistyped my original post, I need to append x characters to EACH LINE in a file, but the script you gave works great and I can modify...

thanks, but again I don't think awk supports the width specifier for strings, it does for numbers though.

cheers.

thanks for the reply, but you will see from the Usage section: -

Field widths and precisions cannot be specified as *.

Even using the %.*s functionality is not ideal, I would need to create a...

Can anyone tell me now to achieve the printf %.*s functionality in shell script, (sh/ksh). I want to append x number of (same)characters at the end of a file without using normal looping.

Cheers....