How to find recently edited python files using a regex, called from a makefile

Question

I'm trying to get the following recipe to work:

recent_py:
    find . -cmin -60 | egrep '*.py$\'

And am getting the following error when calling it:

> make recent_py
find . -cmin -60 | egrep '*.py'

The error being that the $ is ignored, so the regex used isn't the regex that I intended (so .pyc files are matched for example)

How can I edit the regex so that it works as I would expect it to when called from the terminal?

edit

updating to

recent_py:
    find . -cmin -60 | grep -E '\.py$'

gives error:

> make recent_py
find . -cmin -60 | grep -E '\.py
/bin/sh: 1: Syntax error: Unterminated quoted string
make: *** [Makefile:81: recent_py] Error 2

recent_py:
    find . -cmin -60 | grep -E '\.py$$'

See also https://unix.stackexchange.com/questions/60036/meaning-of-asterisk-in-grep — tripleee, Feb 15 '23 at 14:10

score 2 · Answer 1 · answered Feb 15 '23 at 12:06

2

Use grep -E instead (as egrep: warning: egrep is obsolescent):

find . -cmin -60 | grep -E '\.py$'

Or via find's param -regex:

find . -cmin -60 -regex '.*\.py'

answered Feb 15 '23 at 12:06

RomanPerekhrest

Using `grep -E` as there gives an error - i've edited the OP to highlight this – baxx Feb 15 '23 at 13:36