Encode and Decode on FreeBSD
Base64 Encode % echo -n "Hello World!" | base64 -e SGVsbG8gV29ybGQh -n Do NOT print the trailing newline character. | The output(stdout) text of echo -n "Hello World!" is passed to base64 -e directly as input(stdin). -e Encode Decode % echo "SGVsbG8gV29ybGQh" | base64 -d Hello World! -d Decode URI Encode % echo -n "http://google.com/index.php?id=1'" | python3 -c "import sys;import urllib.parse; print(urllib.parse.quote(sys.stdin.read()));" http%3A//google.com/index.php%3Fid%3D1%27 Decode % echo "http%3A//google.com/index.php%3Fid%3D1%27" | unvis -eh http://google.com/index.php?id=1' -e Don't decode \ escaped sequences. -h Decode using the URI encoding from RFC 1808. (VIS_HTTP1808) Hexadecimal % echo -n "Hello" | od -A n -t x1 48 65 6c 6c 6f The echo program will provide the string to the next comma...