echo "abc123" > file.txt
ftype=$(file --brief file.txt)
echo "// __ \$ftype: |${ftype}|"
ftypelen=${#ftype}
echo "// __ \$ftypelen: |${ftypelen}|"
# removing spaces ...
ftype2=$(echo "${ftype}" | tr --complement --squeeze-repeats
'[A-Za-z0-9.]' '_');
echo "// __ \$ftype2: |${ftype2}|"
ftype2len=${#ftype2}
echo "// __ \$ftype2len: |${ftype2len}|"
lbrtchx
