Shell — How to replace "to" newline with sed command ( BSD )

SHELL.md

Shell — How to replace "to" newline with sed command ( BSD )

Answer

Use GNU.

GNU sed

echo 'A:B:C' | sed 's/:/\n/g'
A
B
C

No wonder. understandable.

---

• sed (GNU sed) 4.4
• docker run --interactive --tty ubuntu /bin/bash

BSD sed

echo 'A:B:C' | sed 's/:/\
/g'

A
B
C

or

echo 'A:B:C' | sed -e 's/:/\'$'\n/g'
A
B
C

Are you really?

I don’t know what does mean '$' and don’t wanna understand.

---

• Mac OS X High Sierra
• GNU bash, version 4.4.0(1)-release (x86_64-apple-darwin15.6.0)

troubling examples with BSD

All examples does not work well as I expected.

echo 'A:B:C' | sed -e 's/:/\n/g'
AnBnC
echo 'A:B:C' | sed 's/:/\n/g'
AnBnC
echo 'A:B:C' | sed 's/:/\\n/g'
A\nB\nC
echo 'A:B:C' | sed 's/:/\r/g'
ArBrC
echo 'A:B:C' | sed 's/:/\\r/g'
A\rB\rC
echo 'A:B:C' | sed "s/:/\n/g"
AnBnC
echo 'A:B:C' | sed "s/:/\\n/g"
AnBnC
echo 'A:B:C' | sed "s/:/\\r/g"
ArBrC
echo 'A:B:C' | sed "s/:/\r/g"
ArBrC
echo 'A:B:C' | sed "s/:/\r\n/g"
ArnBrnC
echo 'A:B:C' | sed "s/:/\\r\\n/g"
ArnBrnC
echo 'A:B:C' | sed "s/:/\\\r\\\n/g"
A\r\nB\r\nC

Ref

• Shell — How to detect some command using GNU or BSD ? ( man sed | grep GNU )
• regex - How do I use a new-line replacement in a BSD sed? - Stack Overflow

Links

• Medium—imported