"sudo sed -i.bkp s/^[\t ]*// $(ls | head -1)"

"sudo sed -i.bkp s/^[\t ]*// $(ls | head -1)"

"sudo sed -i.bkp s/^[\t ]*// $(ls | head -1)"

"sudo sed -i.bkp s/^[\t ]*// $(ls | head -1)"

"sudo Replace the leading tabs and spaces in the first file listed by the 'ls' command with nothing, and create a backup of the original file with a '.bkp' extension."
"sudo sed -i.bkp s/^[\t ]*// $(ls | head -1)"