Re: flexible filenames?

In article <hrb4k.131424$Ex2.93657@xxxxxxxxxxxxx>,
Bart Vandewoestyne <MyFirstName.MyLastName@xxxxxxxxxx> wrote:
On 2008-06-06, merritt@xxxxxxxxxxxxxxxxxxxxxxxxxxx <merritt@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

Yes, certainly. Here is a simple example that show 2 possible
command variants for defining the file names.

N = 1
outfile = "graph_dim".N.".eps"
infile = sprintf("data_dim%02d.eps",N)

set output outfile
plot infile ....

Thanks for this interesting suggestion. I do however also sometimes use
the ! symbol to escape to my shell. And in the commands after
the ! symbol i would also like to use the above principle of
dynamically building up my filenames.

Consider the following example:


s=8

! echo s
! echo $s
! echo sprintf("%02d", s)

None of the above three echo commands shows the value for s. How would
i do that?
The ! mechanism is the wrong way to go. Use the system() command instead.

command = "echo ".s
system(command)

--
Ethan A Merritt
.

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