On 11 December 2010 14:34, S Mathias <smathias1972@xxxxxxxxx> wrote:
All you need to do is work out the function behind the sequence. To generate this particular sequence, you need 2 loops, and outer one counting from 0..2 and an inner one counting between 0..1:
for n in {0..2};
do
ÂÂ for m in {0..1};
ÂÂ do
ÂÂÂÂÂ echo "Welcome $(((n * 4) + m)) times";
ÂÂ done;
done;
or, in one line:
for n in {0..2}; do for m in {0..1}; do echo "Welcome $(((n * 4) + m)) times"; done; done;
It's ok, that i can use this, when i want an incrementing sequence, in a given way:
# {START..END..INCREMENT}
$ for i in {0..10..2}; do echo "Welcome $i times"; done
Welcome 0 times
Welcome 2 times
Welcome 4 times
Welcome 6 times
Welcome 8 times
Welcome 10 times
$
but what's the "magic" for this? :
$ MAGIC; do echo "Welcome $i times"; done
Welcome 0 times
Welcome 1 times
Welcome 4 times
Welcome 5 times
Welcome 8 times
Welcome 9 times
$
All you need to do is work out the function behind the sequence. To generate this particular sequence, you need 2 loops, and outer one counting from 0..2 and an inner one counting between 0..1:
for n in {0..2};
do
ÂÂ for m in {0..1};
ÂÂ do
ÂÂÂÂÂ echo "Welcome $(((n * 4) + m)) times";
ÂÂ done;
done;
or, in one line:
for n in {0..2}; do for m in {0..1}; do echo "Welcome $(((n * 4) + m)) times"; done; done;
--
Sam
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