Re: [gentoo-user] OT: Copy directories in a special manner
On Sat, 5 Feb 2011 18:05:05 meino.cra...@gmx.de wrote: Hi, I want to do the following as fast as possible and with less system load as possible: There are two directories called 'source' and 'target'. 'source' gets updated via 'svn up', then it gets compiled. Since there is no make install or similiar, installation is done via copying 'source' to 'target'. A symlink from /usr/local/bin/name to the compiled executabe in (now) 'target' completes the installation. BUT: 'source' is a VERY big directory and copying it to 'target' after each svn up is a PAIN. Now I need a copy mechanism which does the following: * copy all files with newer date to 'target' -- this can be done via 'cp -u' * copy all files which only exist in 'source' to 'target' -- this can be done also with 'cp -u' * BUT: Delete all files from 'target' which do not longer exist in 'source' The last point gives me headaches. Scanning both directory after 'cp -u' has done its job may take as long as a blind copy from 'source' to 'target' after 'target' was initially removed. Is there any lean method to do what is described above ? Thank you very much for any help in advance! Best regards, mcc The tool you are looking for is 'rsync'. -- Reverend Paul Colquhoun, ULC.http://andor.dropbear.id.au/~paulcol Before you criticize someone, you should walk a mile in their shoes. Then, when you do, you'll be a mile away, and you'll have their shoes.
Re: [gentoo-user] OT: Copy directories in a special manner
On Sat, 5 Feb 2011 08:05:05 +0100, meino.cra...@gmx.de wrote: Now I need a copy mechanism which does the following: * copy all files with newer date to 'target' -- this can be done via 'cp -u' * copy all files which only exist in 'source' to 'target' -- this can be done also with 'cp -u' * BUT: Delete all files from 'target' which do not longer exist in 'source' rsync -a --delete source/ dest/ -- Neil Bothwick Top Oxymorons Number 36: Alone together signature.asc Description: PGP signature
Re: [gentoo-user] OT: Copy directories in a special manner
Paul Colquhoun paul...@andor.dropbear.id.au [11-02-05 10:08]: On Sat, 5 Feb 2011 18:05:05 meino.cra...@gmx.de wrote: Hi, I want to do the following as fast as possible and with less system load as possible: There are two directories called 'source' and 'target'. 'source' gets updated via 'svn up', then it gets compiled. Since there is no make install or similiar, installation is done via copying 'source' to 'target'. A symlink from /usr/local/bin/name to the compiled executabe in (now) 'target' completes the installation. BUT: 'source' is a VERY big directory and copying it to 'target' after each svn up is a PAIN. Now I need a copy mechanism which does the following: * copy all files with newer date to 'target' -- this can be done via 'cp -u' * copy all files which only exist in 'source' to 'target' -- this can be done also with 'cp -u' * BUT: Delete all files from 'target' which do not longer exist in 'source' The last point gives me headaches. Scanning both directory after 'cp -u' has done its job may take as long as a blind copy from 'source' to 'target' after 'target' was initially removed. Is there any lean method to do what is described above ? Thank you very much for any help in advance! Best regards, mcc The tool you are looking for is 'rsync'. -- Reverend Paul Colquhoun, ULC.http://andor.dropbear.id.au/~paulcol Before you criticize someone, you should walk a mile in their shoes. Then, when you do, you'll be a mile away, and you'll have their shoes. Hi all, thank you very much for the hints! Great! Saves me a lot of time. Have a nice weekend! Best regards mcc
[gentoo-user] OT: Copy directories in a special manner
Hi, I want to do the following as fast as possible and with less system load as possible: There are two directories called 'source' and 'target'. 'source' gets updated via 'svn up', then it gets compiled. Since there is no make install or similiar, installation is done via copying 'source' to 'target'. A symlink from /usr/local/bin/name to the compiled executabe in (now) 'target' completes the installation. BUT: 'source' is a VERY big directory and copying it to 'target' after each svn up is a PAIN. Now I need a copy mechanism which does the following: * copy all files with newer date to 'target' -- this can be done via 'cp -u' * copy all files which only exist in 'source' to 'target' -- this can be done also with 'cp -u' * BUT: Delete all files from 'target' which do not longer exist in 'source' The last point gives me headaches. Scanning both directory after 'cp -u' has done its job may take as long as a blind copy from 'source' to 'target' after 'target' was initially removed. Is there any lean method to do what is described above ? Thank you very much for any help in advance! Best regards, mcc
