compare which file is newer# Unix - 噫吁兮，危乎高哉
i*e
1 楼
how to compare, with a command or script, which file is newer:
one is in the local machine, another is in a remote machine.
one is in the local machine, another is in a remote machine.
e*s
2 楼
how do you define "newer"? based on created time?
modified time? file size? etc.
【在 i***e 的大作中提到】
: how to compare, with a command or script, which file is newer:
: one is in the local machine, another is in a remote machine.
modified time? file size? etc.
【在 i***e 的大作中提到】
: how to compare, with a command or script, which file is newer:
: one is in the local machine, another is in a remote machine.
i*e
3 楼
last modified time.
【在 e***s 的大作中提到】
: how do you define "newer"? based on created time?
: modified time? file size? etc.
【在 e***s 的大作中提到】
: how do you define "newer"? based on created time?
: modified time? file size? etc.
j*y
4 楼
ls -t file1 file2
output:
the first file is newer
or ls -rt file1 file2
output:
the first file is older
【在 i***e 的大作中提到】
: how to compare, with a command or script, which file is newer:
: one is in the local machine, another is in a remote machine.
output:
the first file is newer
or ls -rt file1 file2
output:
the first file is older
【在 i***e 的大作中提到】
: how to compare, with a command or script, which file is newer:
: one is in the local machine, another is in a remote machine.
i*e
5 楼
i mean file1 and file2 are in different machines.
【在 j***y 的大作中提到】
: ls -t file1 file2
: output:
: the first file is newer
: or ls -rt file1 file2
: output:
: the first file is older
【在 j***y 的大作中提到】
: ls -t file1 file2
: output:
: the first file is newer
: or ls -rt file1 file2
: output:
: the first file is older
b*l
6 楼
ls -t -l file1; rsh ls -t -l file2
【在 i***e 的大作中提到】
: how to compare, with a command or script, which file is newer:
: one is in the local machine, another is in a remote machine.
【在 i***e 的大作中提到】
: how to compare, with a command or script, which file is newer:
: one is in the local machine, another is in a remote machine.
i*e
7 楼
well, what i want to do is this:
if ["file1 in local machine" newer than "file2 in remote machine"]; then
scp -p file1 [email protected]_machine:file2
else
scp -p [email protected]_machine:file2 file1
fi
so, how to implement the test of condition? thanks!
【在 b*********l 的大作中提到】
: ls -t -l file1; rsh ls -t -l file2
if ["file1 in local machine" newer than "file2 in remote machine"]; then
scp -p file1 [email protected]_machine:file2
else
scp -p [email protected]_machine:file2 file1
fi
so, how to implement the test of condition? thanks!
【在 b*********l 的大作中提到】
: ls -t -l file1; rsh
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