Why `cp` is designed this way to overwrite existing files silently?
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I create such commands to test cp commands
In [98]: ls
first.html second.html third.html
In [99]: less first.html second.html third.html
In [100]: cat first.html
first
In [101]: cat second.html
second
In [102]: cat third.html
third
When I copy first.html to second.html,
In [103]: cp first.html second.html
In [104]: cat second.html
first
The second.html is overwritten silently without any error prompts.
Nonetheless, If I do it in the desktop GUI, draw a file in with the same name, it will be suffixed an first1.html automatically.
Doing this avoided to overwrite an existing file accidentally.
Why not follow this pattern to design cp but to overwrite silently.
I am learning python now and found that it's shutil.copy completely inherit from the idea of command cp.
I assume it not a good design and could be easily amended by insert an if check.
Why cp is designed this way to overwrite existing files silently?
cp
asked 1 min ago
rider dragon
1012
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up vote
0
down vote
favorite
I create such commands to test cp commands
In [98]: ls
first.html second.html third.html
In [99]: less first.html second.html third.html
In [100]: cat first.html
first
In [101]: cat second.html
second
In [102]: cat third.html
third
When I copy first.html to second.html,
In [103]: cp first.html second.html
In [104]: cat second.html
first
The second.html is overwritten silently without any error prompts.
Nonetheless, If I do it in the desktop GUI, draw a file in with the same name, it will be suffixed an first1.html automatically.
Doing this avoided to overwrite an existing file accidentally.
Why not follow this pattern to design cp but to overwrite silently.
I am learning python now and found that it's shutil.copy completely inherit from the idea of command cp.
I assume it not a good design and could be easily amended by insert an if check.
Why cp is designed this way to overwrite existing files silently?
cp
asked 1 min ago
rider dragon
1012
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
I create such commands to test cp commands
In [98]: ls
first.html second.html third.html
In [99]: less first.html second.html third.html
In [100]: cat first.html
first
In [101]: cat second.html
second
In [102]: cat third.html
third
When I copy first.html to second.html,
In [103]: cp first.html second.html
In [104]: cat second.html
first
The second.html is overwritten silently without any error prompts.
Nonetheless, If I do it in the desktop GUI, draw a file in with the same name, it will be suffixed an first1.html automatically.
Doing this avoided to overwrite an existing file accidentally.
Why not follow this pattern to design cp but to overwrite silently.
I am learning python now and found that it's shutil.copy completely inherit from the idea of command cp.
I assume it not a good design and could be easily amended by insert an if check.
Why cp is designed this way to overwrite existing files silently?
cp
asked 1 min ago
rider dragon
1012
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I create such commands to test cp commands
In [98]: ls
first.html second.html third.html
In [99]: less first.html second.html third.html
In [100]: cat first.html
first
In [101]: cat second.html
second
In [102]: cat third.html
third
When I copy first.html to second.html,
In [103]: cp first.html second.html
In [104]: cat second.html
first
The second.html is overwritten silently without any error prompts.
Nonetheless, If I do it in the desktop GUI, draw a file in with the same name, it will be suffixed an first1.html automatically.
Doing this avoided to overwrite an existing file accidentally.
Why not follow this pattern to design cp but to overwrite silently.
I am learning python now and found that it's shutil.copy completely inherit from the idea of command cp.
I assume it not a good design and could be easily amended by insert an if check.
Why cp is designed this way to overwrite existing files silently?
cp
cp
asked 1 min ago
rider dragon
1012
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
rider dragon
1012
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
rider dragon
1012
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 min ago
rider dragon
1012
asked 1 min ago
rider dragon
1012
1012
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
rider dragon is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |Â
add a comment |Â
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rider dragon is a new contributor. Be nice, and check out our Code of Conduct.
rider dragon is a new contributor. Be nice, and check out our Code of Conduct.
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