Reputation: 85895
Am aware of how to use the ex
editor in syntaxes like this answer to do minor editing of files in place.
For example, as mentioned in the answer, assuming I have a file content as below:-
$ cat input-file
patternGoingDown
foo
bar
foo
bar
Running a command using ex
, like
$ printf "%s\n" '/patternGoingDown' 'd' '/foo' 'n' 'put' 'wq' | ex file
$ cat file
foo
bar
foo
patternGoingDown
bar
will move the pattern patternGoingDown
after the second occurrence of foo
. My requirement is to adopt a similar logic to increment a number after a pattern.
Example:-
$ cat input-file
The number is now number(60)
Is it possible to use the ex
editor to increment the number from 60
to 61
like
$ cat input-file
The number is now number(61)
Though there is a ex-editor help page available, I can't figure out how to
number
in this case61
which I can normally do via Ctrl+A
when using vi
editor.I am aware there are other tools for this job, but I particularly need to use ex
editor in the syntax I have mentioned.
Upvotes: 1
Views: 221