Can I use cp in %install section of spec

[ram s]

Hello ,

Can I use cp call in %install section.

%install

rm -rf $RPM_BUILD_ROOT
mkdir -p $RPM_BUILD_ROOT/

#install  -d bin  /home/myhome


mkdir -m 777 -p $RPM_BUILD_ROOT/home/dictator/nco
cp -r bin $RPM_BUILD_ROOT/home/myhome
cp -r jar $RPM_BUILD_ROOT/home/myhome


is it correct.

If I use install to copy directories and sub directories it creates problem.

I need this question help soon.

thank you.
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