Improved by flatcap
for i in *.json; do mv "$i" "${i%.json}_$(date '+%Y%m%d').json"; done
Original
for i in `ls`; do mv "$i" "`echo $i | sed s/.json/_20160428.json/`"; done
Improved by flatcap
for i in *.json; do mv "$i" "${i%.json}_$(date '+%Y%m%d').json"; done
Original
for i in `ls`; do mv "$i" "`echo $i | sed s/.json/_20160428.json/`"; done