Convert File to UTF-8 August 19, 2019 Here’s how to convert multiple files to UTF-8 format. for file in *.csv; do iconv -f ascii -t utf-8 "$file" -o "${file%.txt}.utf8.csv" donefor file in *.csv; do iconv -f ascii -t utf-8 "$file" -o "${file%.txt}.utf8.csv" done