Shell Programming and Scripting

 
cat file1.txt

 
cat output.txt

 nawk '{printf("%.7f\n", $1)}'  myFile
OR
nawk '{print $1+0}' OFMT='%.7f'  myFile

for line in $(cat file1.txt); do whole=$(echo $line | cut -d. -f1); fraction=$(echo $line | cut -d. -f2 | cut -c 1-7); echo "$whole.$fraction"; done

$ while read i;do echo "scale=7;$i/1" | bc;done<infile

while read i;do echo "scale=7;$i/1" ; done<infile | bc