Searching the web I discovered some really nice feature of the unix shell, which I didn't know about.
Try this:
touch foobar.conf
Now try this:
cp foobar.conf{,.bak}
It is equivalent to:
cp foobar.conf foobar.conf.bak
This is also the easiest way to create sequences. Do not use 'seq' since you cannot rely on it being installed.
bash-3.2$ echo {1..10}
1 2 3 4 5 6 7 8 9 10
Please visit this location for additional examples.
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