It has been reported on ipcop-devel list that cp foo{,.bak} contruction is
broken on Ubuntu-8.04
This was on expect instructions
cp configure{,.bak}
cp: missing destination file operand after `configure{,.bak}'
Try `cp --help' for more information.
Could it not be prefered to build sed at the beginning, so it is always safe
to use sed -i?
That's what DYI do and what have been done on ipcop-1.4.
Anyway splitting in two instructions (one cp, one sed) could be the most
portable way.
This construction is actually used on expect, gcc pass2, gzip, perl (in
perl, with mv, not cp)
Gilles
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