How to rsync only new files Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern) 2019 Community Moderator Election Results Why I closed the “Why is Kali so hard” questionFinding the most recently created file and sending it to another computerLogging only transferred files with rsyncUse rsync with closed files onlyrsync only leaves partial files?rsync options to include only simple filesrsync delete only excluded filesRsync only new files from a remote serverRsync and file ownership - don't change ownership on serverRsync only files matching patternrsync specific subdirectories with pattern matchUse rsync to mirror source for website deployment, but not delete selected files in destination
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How to rsync only new files
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
2019 Community Moderator Election Results
Why I closed the “Why is Kali so hard” questionFinding the most recently created file and sending it to another computerLogging only transferred files with rsyncUse rsync with closed files onlyrsync only leaves partial files?rsync options to include only simple filesrsync delete only excluded filesRsync only new files from a remote serverRsync and file ownership - don't change ownership on serverRsync only files matching patternrsync specific subdirectories with pattern matchUse rsync to mirror source for website deployment, but not delete selected files in destination
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I am trying to set up rsync to syncronize my main web server to the remote server by adding newly generated file to the later.
Here is the command that I use:
rsync -avh --update -e "ssh -i /path/to/thishost-rsync-key" remoteuser@remotehost:/foo/bar /foo/bar
But it seems that the web server actually transfers all files despite the '--update' flag. I have tried different flag combinations (e.g omitting '-a' and using'-uv' instead) but none helped. So wondering how can I modify the rsync command to send out only newly added files.
Thanks
rsync
add a comment |
I am trying to set up rsync to syncronize my main web server to the remote server by adding newly generated file to the later.
Here is the command that I use:
rsync -avh --update -e "ssh -i /path/to/thishost-rsync-key" remoteuser@remotehost:/foo/bar /foo/bar
But it seems that the web server actually transfers all files despite the '--update' flag. I have tried different flag combinations (e.g omitting '-a' and using'-uv' instead) but none helped. So wondering how can I modify the rsync command to send out only newly added files.
Thanks
rsync
2
If you want to sync files to the remote server, shouldn't it come last? i.e.rsync /foo/bar remoteuser@remotehost:/foo/bar
– ostrokach
Jun 28 '15 at 13:07
You could be interested by this webpage. Also, be careful with the filesystem. If the server's filesystem doesn't support all that-aoption implies (owner, group, perms, ...) it should be the cause of our issue.
– ppr
Jul 6 '15 at 10:42
2
None of the answers solves the problem where the local files were not fully copied to the remote destination, and you only want to rsync newer files.
– Axel Bregnsbo
Nov 10 '16 at 12:29
I just found the-coption. It skips existing files based on a checksum, instead of modification time or size.
– haheute
Mar 1 '18 at 13:34
add a comment |
I am trying to set up rsync to syncronize my main web server to the remote server by adding newly generated file to the later.
Here is the command that I use:
rsync -avh --update -e "ssh -i /path/to/thishost-rsync-key" remoteuser@remotehost:/foo/bar /foo/bar
But it seems that the web server actually transfers all files despite the '--update' flag. I have tried different flag combinations (e.g omitting '-a' and using'-uv' instead) but none helped. So wondering how can I modify the rsync command to send out only newly added files.
Thanks
rsync
I am trying to set up rsync to syncronize my main web server to the remote server by adding newly generated file to the later.
Here is the command that I use:
rsync -avh --update -e "ssh -i /path/to/thishost-rsync-key" remoteuser@remotehost:/foo/bar /foo/bar
But it seems that the web server actually transfers all files despite the '--update' flag. I have tried different flag combinations (e.g omitting '-a' and using'-uv' instead) but none helped. So wondering how can I modify the rsync command to send out only newly added files.
Thanks
rsync
rsync
asked Mar 11 '13 at 7:28
supermariosupermario
91141012
91141012
2
If you want to sync files to the remote server, shouldn't it come last? i.e.rsync /foo/bar remoteuser@remotehost:/foo/bar
– ostrokach
Jun 28 '15 at 13:07
You could be interested by this webpage. Also, be careful with the filesystem. If the server's filesystem doesn't support all that-aoption implies (owner, group, perms, ...) it should be the cause of our issue.
– ppr
Jul 6 '15 at 10:42
2
None of the answers solves the problem where the local files were not fully copied to the remote destination, and you only want to rsync newer files.
– Axel Bregnsbo
Nov 10 '16 at 12:29
I just found the-coption. It skips existing files based on a checksum, instead of modification time or size.
– haheute
Mar 1 '18 at 13:34
add a comment |
2
If you want to sync files to the remote server, shouldn't it come last? i.e.rsync /foo/bar remoteuser@remotehost:/foo/bar
– ostrokach
Jun 28 '15 at 13:07
You could be interested by this webpage. Also, be careful with the filesystem. If the server's filesystem doesn't support all that-aoption implies (owner, group, perms, ...) it should be the cause of our issue.
– ppr
Jul 6 '15 at 10:42
2
None of the answers solves the problem where the local files were not fully copied to the remote destination, and you only want to rsync newer files.
– Axel Bregnsbo
Nov 10 '16 at 12:29
I just found the-coption. It skips existing files based on a checksum, instead of modification time or size.
– haheute
Mar 1 '18 at 13:34
2
2
If you want to sync files to the remote server, shouldn't it come last? i.e.
rsync /foo/bar remoteuser@remotehost:/foo/bar– ostrokach
Jun 28 '15 at 13:07
If you want to sync files to the remote server, shouldn't it come last? i.e.
rsync /foo/bar remoteuser@remotehost:/foo/bar– ostrokach
Jun 28 '15 at 13:07
You could be interested by this webpage. Also, be careful with the filesystem. If the server's filesystem doesn't support all that
-a option implies (owner, group, perms, ...) it should be the cause of our issue.– ppr
Jul 6 '15 at 10:42
You could be interested by this webpage. Also, be careful with the filesystem. If the server's filesystem doesn't support all that
-a option implies (owner, group, perms, ...) it should be the cause of our issue.– ppr
Jul 6 '15 at 10:42
2
2
None of the answers solves the problem where the local files were not fully copied to the remote destination, and you only want to rsync newer files.
– Axel Bregnsbo
Nov 10 '16 at 12:29
None of the answers solves the problem where the local files were not fully copied to the remote destination, and you only want to rsync newer files.
– Axel Bregnsbo
Nov 10 '16 at 12:29
I just found the
-c option. It skips existing files based on a checksum, instead of modification time or size.– haheute
Mar 1 '18 at 13:34
I just found the
-c option. It skips existing files based on a checksum, instead of modification time or size.– haheute
Mar 1 '18 at 13:34
add a comment |
4 Answers
4
active
oldest
votes
From man rsync:
--ignore-existing skip updating files that exist on receiver
--update does something slightly different, which is probably why you are getting unexpected results (see man rsync):
This forces rsync to skip any files which exist on the destination and have a modified time that is newer than the source file. (If an existing destination file has a modification time equal to the source file's, it will be updated if the sizes are different.)
1
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
13
Man pages suck (that's right I went there), case in point, does--ignore-existingmean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?
– puk
Nov 20 '13 at 9:05
7
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
4
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
add a comment |
In my case I had similar issues, having all files transferred instead of only the modified/new ones. I solved this by using parameters -t (instead of -a), and -P (equivalent to --partial --progress):
rsync -h -v -r -P -t source target
This transfers only new files, and files already existing but modified: -a does too much, like user and group ID sync, which in my case can not work as I have different users and groups on my source and target systems.
The parameters in detail:
-h: human readable numbers-v: verbose-r: recurse into directories-P:--partial(keep partially transferred files) +
--progress(show progress during transfer)-t: preserve modification times
2
+1 for '-a does too much` (indeed-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)
– Frank Nocke
Oct 18 '18 at 11:39
add a comment |
From my experience with rsync, a 1TB partition copying is too large to be efficient. It takes rsync forever to process it. Instead, do it by subdirectories. That is, run rsync for each main subdirectory. It goes a lot faster if it doesn't have to juggle tens of thousands of files.
1
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
add a comment |
Try
rsync -zvrt --update SOURCE DESTN
7
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
add a comment |
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4 Answers
4
active
oldest
votes
4 Answers
4
active
oldest
votes
active
oldest
votes
active
oldest
votes
From man rsync:
--ignore-existing skip updating files that exist on receiver
--update does something slightly different, which is probably why you are getting unexpected results (see man rsync):
This forces rsync to skip any files which exist on the destination and have a modified time that is newer than the source file. (If an existing destination file has a modification time equal to the source file's, it will be updated if the sizes are different.)
1
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
13
Man pages suck (that's right I went there), case in point, does--ignore-existingmean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?
– puk
Nov 20 '13 at 9:05
7
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
4
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
add a comment |
From man rsync:
--ignore-existing skip updating files that exist on receiver
--update does something slightly different, which is probably why you are getting unexpected results (see man rsync):
This forces rsync to skip any files which exist on the destination and have a modified time that is newer than the source file. (If an existing destination file has a modification time equal to the source file's, it will be updated if the sizes are different.)
1
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
13
Man pages suck (that's right I went there), case in point, does--ignore-existingmean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?
– puk
Nov 20 '13 at 9:05
7
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
4
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
add a comment |
From man rsync:
--ignore-existing skip updating files that exist on receiver
--update does something slightly different, which is probably why you are getting unexpected results (see man rsync):
This forces rsync to skip any files which exist on the destination and have a modified time that is newer than the source file. (If an existing destination file has a modification time equal to the source file's, it will be updated if the sizes are different.)
From man rsync:
--ignore-existing skip updating files that exist on receiver
--update does something slightly different, which is probably why you are getting unexpected results (see man rsync):
This forces rsync to skip any files which exist on the destination and have a modified time that is newer than the source file. (If an existing destination file has a modification time equal to the source file's, it will be updated if the sizes are different.)
edited Apr 12 at 14:31
HongboZhu
1075
1075
answered Mar 11 '13 at 7:44
Chris DownChris Down
81.9k15190204
81.9k15190204
1
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
13
Man pages suck (that's right I went there), case in point, does--ignore-existingmean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?
– puk
Nov 20 '13 at 9:05
7
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
4
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
add a comment |
1
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
13
Man pages suck (that's right I went there), case in point, does--ignore-existingmean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?
– puk
Nov 20 '13 at 9:05
7
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
4
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
1
1
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
Well actually I tried the command with '--ignore-existing' instead of '--update'. It finished fast but does not put the new files into remote host. Any ideas? Thanks
– supermario
Mar 12 '13 at 2:34
13
13
Man pages suck (that's right I went there), case in point, does
--ignore-existing mean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?– puk
Nov 20 '13 at 9:05
Man pages suck (that's right I went there), case in point, does
--ignore-existing mean don't transfer files which exist on receiver, or don't transfer files if some file/folder with the same name exists on the receiver?– puk
Nov 20 '13 at 9:05
7
7
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
--update does skip files when the mtimes are identical (which is not what the wording implies). I tested this. I believe the wording would be better understood if it said "only source files which are newer than destination will be copied".
– Octopus
Nov 28 '15 at 7:41
4
4
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
@Octopus "only source files which are newer than destination will be copied" ...or source files that have same modification time as their destination file counterparts, but have different sizes. I think that is an important point. (Chris already covered that, thanks)
– Jonathan Komar
Apr 21 '17 at 8:24
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
So you need --ignore-existing and -r (recursive). -v (verbose) is nice to have too :-)
– DutchUncle
Feb 4 '18 at 18:57
add a comment |
In my case I had similar issues, having all files transferred instead of only the modified/new ones. I solved this by using parameters -t (instead of -a), and -P (equivalent to --partial --progress):
rsync -h -v -r -P -t source target
This transfers only new files, and files already existing but modified: -a does too much, like user and group ID sync, which in my case can not work as I have different users and groups on my source and target systems.
The parameters in detail:
-h: human readable numbers-v: verbose-r: recurse into directories-P:--partial(keep partially transferred files) +
--progress(show progress during transfer)-t: preserve modification times
2
+1 for '-a does too much` (indeed-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)
– Frank Nocke
Oct 18 '18 at 11:39
add a comment |
In my case I had similar issues, having all files transferred instead of only the modified/new ones. I solved this by using parameters -t (instead of -a), and -P (equivalent to --partial --progress):
rsync -h -v -r -P -t source target
This transfers only new files, and files already existing but modified: -a does too much, like user and group ID sync, which in my case can not work as I have different users and groups on my source and target systems.
The parameters in detail:
-h: human readable numbers-v: verbose-r: recurse into directories-P:--partial(keep partially transferred files) +
--progress(show progress during transfer)-t: preserve modification times
2
+1 for '-a does too much` (indeed-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)
– Frank Nocke
Oct 18 '18 at 11:39
add a comment |
In my case I had similar issues, having all files transferred instead of only the modified/new ones. I solved this by using parameters -t (instead of -a), and -P (equivalent to --partial --progress):
rsync -h -v -r -P -t source target
This transfers only new files, and files already existing but modified: -a does too much, like user and group ID sync, which in my case can not work as I have different users and groups on my source and target systems.
The parameters in detail:
-h: human readable numbers-v: verbose-r: recurse into directories-P:--partial(keep partially transferred files) +
--progress(show progress during transfer)-t: preserve modification times
In my case I had similar issues, having all files transferred instead of only the modified/new ones. I solved this by using parameters -t (instead of -a), and -P (equivalent to --partial --progress):
rsync -h -v -r -P -t source target
This transfers only new files, and files already existing but modified: -a does too much, like user and group ID sync, which in my case can not work as I have different users and groups on my source and target systems.
The parameters in detail:
-h: human readable numbers-v: verbose-r: recurse into directories-P:--partial(keep partially transferred files) +
--progress(show progress during transfer)-t: preserve modification times
edited Jul 27 '16 at 18:00
answered Aug 10 '14 at 9:55
t0r0Xt0r0X
48047
48047
2
+1 for '-a does too much` (indeed-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)
– Frank Nocke
Oct 18 '18 at 11:39
add a comment |
2
+1 for '-a does too much` (indeed-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)
– Frank Nocke
Oct 18 '18 at 11:39
2
2
+1 for '-a does too much` (indeed
-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)– Frank Nocke
Oct 18 '18 at 11:39
+1 for '-a does too much` (indeed
-rlptgoD, so permission get not flattended, groups and owner preserved –not my typical play-safe backup...)– Frank Nocke
Oct 18 '18 at 11:39
add a comment |
From my experience with rsync, a 1TB partition copying is too large to be efficient. It takes rsync forever to process it. Instead, do it by subdirectories. That is, run rsync for each main subdirectory. It goes a lot faster if it doesn't have to juggle tens of thousands of files.
1
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
add a comment |
From my experience with rsync, a 1TB partition copying is too large to be efficient. It takes rsync forever to process it. Instead, do it by subdirectories. That is, run rsync for each main subdirectory. It goes a lot faster if it doesn't have to juggle tens of thousands of files.
1
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
add a comment |
From my experience with rsync, a 1TB partition copying is too large to be efficient. It takes rsync forever to process it. Instead, do it by subdirectories. That is, run rsync for each main subdirectory. It goes a lot faster if it doesn't have to juggle tens of thousands of files.
From my experience with rsync, a 1TB partition copying is too large to be efficient. It takes rsync forever to process it. Instead, do it by subdirectories. That is, run rsync for each main subdirectory. It goes a lot faster if it doesn't have to juggle tens of thousands of files.
answered Oct 18 '13 at 12:06
turgut kalfaogluturgut kalfaoglu
211
211
1
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
add a comment |
1
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
1
1
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
Maybe you ran out of memory and your system started swapping?
– Marcel Burkhard
Feb 26 '16 at 21:24
add a comment |
Try
rsync -zvrt --update SOURCE DESTN
7
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
add a comment |
Try
rsync -zvrt --update SOURCE DESTN
7
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
add a comment |
Try
rsync -zvrt --update SOURCE DESTN
Try
rsync -zvrt --update SOURCE DESTN
edited Oct 22 '16 at 13:32
countermode
5,34842245
5,34842245
answered Oct 22 '16 at 8:57
omegaomega
1
1
7
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
add a comment |
7
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
7
7
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
A little more explanation to the command above would be appreciated for the OP.
– Peschke
Oct 22 '16 at 9:23
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
from man page ` -u, --update skip files that are newer on the receiver`
– ShoeLace
Jul 4 '18 at 3:26
add a comment |
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2
If you want to sync files to the remote server, shouldn't it come last? i.e.
rsync /foo/bar remoteuser@remotehost:/foo/bar– ostrokach
Jun 28 '15 at 13:07
You could be interested by this webpage. Also, be careful with the filesystem. If the server's filesystem doesn't support all that
-aoption implies (owner, group, perms, ...) it should be the cause of our issue.– ppr
Jul 6 '15 at 10:42
2
None of the answers solves the problem where the local files were not fully copied to the remote destination, and you only want to rsync newer files.
– Axel Bregnsbo
Nov 10 '16 at 12:29
I just found the
-coption. It skips existing files based on a checksum, instead of modification time or size.– haheute
Mar 1 '18 at 13:34