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Shell Programming and Scripting
How to Split a source file in specified format?
Post 302775575 by RudiC on Tuesday 5th of March 2013 05:53:14 AM
03-05-2013
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B
=========
column no,name,type,length
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3,hj,N.4
4,kl,N,5
source file
========
d e f g h i
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LEARN ABOUT CENTOS
xfs_rtcp
xfs_rtcp(8) System Manager's Manual xfs_rtcp(8) NAME
xfs_rtcp - XFS realtime copy command SYNOPSIS
xfs_rtcp [ -e extsize ] [ -p ] source ... target xfs_rtcp -V DESCRIPTION
xfs_rtcp copies a file to the realtime partition on an XFS filesystem. If there is more than one source and target, the final argument (the target) must be a directory which already exists. OPTIONS
-e extsize Sets the extent size of the destination realtime file. -p Use if the size of the source file is not an even multiple of the block size of the destination filesystem. When -p is specified xfs_rtcp will pad the destination file to a size which is an even multiple of the filesystem block size. This is necessary since the realtime file is created using direct I/O and the minimum I/O is the filesystem block size. -V Prints the version number and exits. SEE ALSO
xfs(5), mkfs.xfs(8), mount(8). CAVEATS
Currently, realtime partitions are not supported under the Linux version of XFS, and use of a realtime partition WILL CAUSE CORRUPTION on the data partition. As such, this command is made available for curious DEVELOPERS ONLY at this point in time. xfs_rtcp(8)