How to get last occurrence of a regexp match in a file to EOF

Asked Jan 30 '20 at 18:29

Active Jan 30 '20 at 18:29

Viewed 28 times

c-shell, linux,

If I have file...

abc def xyz
123
abc ghi xyz
456
abc jkl xyz
789

I want the last match of /^abc.+xyz$/ to EOF...

abc jkl xyz
789

I saw this... How to grep the last occurrence of a line pattern

..and the 4th alternative of the first answer looks like what I want. But I don't understand what "flag" means in the awk. Used literally produces "flag: Event not found.". I'm not even sure this will work in c-shell.

I'm hoping this will get posted. It's a good thing to know how to do AND in my example, the pattern match is different.

asked Jan 30 '20 at 18:29

daveg

1,051
11
24

Maybe the shell interprets the exclamation mark. Did you quote properly? – linuxfan says Reinstate Monica Jan 30 '20 at 18:34
That was it. Escaped with a \ and it worked. Thanks ! – daveg Jan 30 '20 at 18:51

How to get last occurrence of a regexp match in a file to EOF

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