SHELL

bash compare two files

# this will print if they're identical or not
diff file1 file2 -s

comparing file content bash

if diff -u "$file1" "$file2"; then
  echo "$file1 and $file2 have identical contents"
else
  : # the differences between the files have been listed
fi

compare two files shell script

if cmp -s "file1" "file2"
then
   echo "The files match"
else
   echo "The files are different"
fi