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Help moding python script to edit Gcode
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Help moding python script to edit Gcode
#11
(Jan-03-2021, 04:05 PM)AntaresSky Wrote: I take it the Line.Lstrip is telling it to removed the whole line?
str.lstrip() will remove whitespace on the left end of the string, i.e. leading whitespace at the start of the string
str.rstrip() will remove whitespaces on the right end of the string, i.e. trailing whitespace at the end.
str.strip() will remove whitespace on bith ends.

Your best friend is the documentation. If in doubt - check the docs.

so the original line.lstrip() will remove any white space at the start of the line, so that if present the first non-whitespace char will be ; in comments. But it will not remove the new-line char \n at the end.

Also, note that python is case sensitive Line.Lstrip() is not same as line.lstrip() and will cause error.
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
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#12
(Jan-03-2021, 04:05 PM)AntaresSky Wrote: I take it the Line.Lstrip is telling it to removed the whole line?
But I'm still not totally clear on what the Line.strip does. Can you dumb it down a bit for me?
lstrip() Return a copy of the string with leading whitespace removed.
Can test this interactively in Python.
>>> s = 'hello\n'
>>> s.lstrip()
'hello\n'

>>> s = ' hello\n'
>>> s.lstrip()
'hello\n'

>>> s = '\nhello\n'
>>> s.lstrip()
'hello\n'

>>> s = 'hello\n'
>>> s.strip()
'hello'

>>> help(s.lstrip)
Help on built-in function lstrip:

lstrip(chars=None, /) method of builtins.str instance
    Return a copy of the string with leading whitespace removed.
    
    If chars is given and not None, remove characters in chars instead.


>>> help(s.strip)
Help on built-in function strip:

strip(chars=None, /) method of builtins.str instance
    Return a copy of the string with leading and trailing whitespace removed.
    
    If chars is given and not None, remove characters in chars instead.
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#13
(Jan-03-2021, 06:16 PM)buran Wrote: Your best friend is the documentation. If in doubt - check the docs.
My head is spinning LOL Cry
This document you speak of. where might's I find it?
I think I need to do some reading and learning!!! Smile


Glen
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#14
(Jan-04-2021, 12:06 AM)AntaresSky Wrote: This document you speak of. where might's I find it?
I guess you've seen the links in my previous post.

Official Python documentation - you have Library reference, language reference, tutorial and so on...

As @snippsat show you can also get help in interactive shell
ndc85430 likes this post
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs

Reply


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