winify and nixify text files (line endings and .txt file extensions)

nixify

#!/usr/bin/env bash

for var in "$@"; do
  if [[ "$(file --brief -i $var | awk '{print $1}')" == 'text/plain;' &&
        "$(file --brief $var | grep CRLF)" ]]; then
    dos2unix $var
    base="$(basename $var)"
    if [ "${base##*.}" == 'txt' ]; then
      mv $var "${var%.*}"
    fi
  fi
done

winify

#!/usr/bin/env bash

for var in "$@"; do
  if [[ "$(file --brief -i $var | awk '{print $1}')" == 'text/plain;' &&
        ! "$(file --brief $var | grep CRLF)" ]]; then
    unix2dos $var
    base="$(basename $var)"
    if [ "${base##*.}" != 'txt' ]; then
      mv $var $var.txt
    fi
  fi
done