Rename all files with the same name but different extensions to other name with same extensions

I needed to rename:

FROM:

paper_guidelines.aux
paper_guidelines.loh
paper_guidelines.tex
paper_guidelines.pdf
….

TO
Aroca_R.aux
Aroca_R.loh
Aroca_R.tex
Aroca_R.pdf

Heres the fast and easy solution:

for i in paper_guidelines.*; do echo -n “$i “; EXT=`echo $i | awk -F ‘.’ ‘{ print $2 }’`; echo -n $EXT; mv $i “Aroca_R.$EXT”; done

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