Bash print all line except start to end pattern-CodePudding

I have this input file with list of player names.

Cristiano Ronaldo
Anthony Martial
Jadon Sancho
Marcus Rashford
Bruno Fernandes
Fred
Scott McTominay
Donny Van De Beek
# Start U23 Team
Alvaro Fernandez
Zidane Iqbal
Facundo Pellistri
Hannibal Mejbri
Charlie Savage
# End U23 Team
Harry Maguire
Lisandro Martinez
Alex Telles

I want to exclude line starting with Start U23 Team and end with End U23 Team, so the end result will be:

Cristiano Ronaldo
Anthony Martial
Jadon Sancho
Marcus Rashford
Bruno Fernandes
Fred
Scott McTominay
Donny Van De Beek
Harry Maguire
Lisandro Martinez
Alex Telles

I can print the U23 Player with this command awk "/# End U23 Team/{f=0} f; /# Start U23 Team/{f=1}" file, but how to do vice versa ?

CodePudding user response：

Use the d command in sed to exclude lines.

sed '/# Start U23 Team/,/# End U23 Team/d' file

CodePudding user response：

awk "/# Start U23 Team/ {f=1} !f {print} /# End U23 Team/ {f=0}" file

CodePudding user response：

Using sed

$ sed -z 's/# Start.*# End U23 Team\n//' input_file
Cristiano Ronaldo
Anthony Martial
Jadon Sancho
Marcus Rashford
Bruno Fernandes
Fred
Scott McTominay
Donny Van De Beek
Harry Maguire
Lisandro Martinez
Alex Telles

CodePudding user response：

With GNU awk, please try following code, written and tested with shown samples only. Simply making use of RS variable where setting it to regex '(^|\n)# Start U23 Team\n.*\n# End U23 Team\n as per requirement and then in main program simply printing the lines.

awk -v RS='(^|\n)# Start U23 Team\n.*\n# End U23 Team\n' '{sub(/\n$/,"")} 1' Input_file

CodePudding user response：

awk '/# Start U23 Team/,/# End U23 Team/{next}1' file

CodePudding user response：

I can print the U23 Player with this command awk "/# End U23 Team/{f=0} f; /# Start U23 Team/{f=1}" file, but how to do vice versa ?

This code might be reworked following way

awk 'BEGIN{f=1} /# Start U23 Team/{f=0} f; /# End U23 Team/{f=1}' file

Explanation: BEGIN pattern allows executing action before starting processing lines, here I set f value to 1, /# Start U23 Team/ was swapped with /# End U23 Team/