Autarchy of the Private Cave

Imagine you have some styles.css transferred from Win machine to Linux via FTP in binary mode instead of ASCII mode; then

cat styles.css | tr -d "\r" > styles-nocarriage.css

will create styles-nocarriage.css with ^M’s removed.

Alternative syntax:

tr -d "\r" < styles.css > styles-nocarriage.css

Most editors have global replace features which allow to get rid of control characters using regular expressions (exact instructions are editor-specific).

For multiple files, try this:

for f
do
mv $f ${f}~ && tr -d "\r" <${f}~ >$f
rm ${f}~
done

Save this shell script as a file (e.g. dos2unix.sh), then do ./dos2unix.sh . This script accepts wildcards (e.g. ./dos2unix.sh *.php), so be careful!

To iterate through all the files within the specified directory (folder), with ability to use wildcards (*, ?, and [ ]-style ranges), use the following code snippet:
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