03-20-2007
unix script to split file
My file for ex. is a 10mil record file. Within the shell script I need to determine the record count and divided it into 4 separate files.
Is it ok to do a wc -l into a variable / 4? Would reminder take care of itself - meaning it will be a part of the 4th file.
Please advise and I hope this helps.
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LEARN ABOUT DEBIAN
splitshp
splitshp(1) General Commands Manual splitshp(1)
NAME
splitshp - Split Shape into frames or combine frames into Shapes
SYNOPSIS
splitshp SHAPE FRAME...
splitshp SHAPE
DESCRIPTION
Shape files are used for storage of all visible elements (from UI buttons to terrain features) of the games Exult supports. Shapes contain
one or more frames. splitshp can be used to combine frames into one file, or split a Shape file into its component frames.
The mode of operation is determined by looking at the number of commandline arguments. Exactly one argument means splitting, more than one
argument signals a combining operation.
Combining
Each FRAME names a Shape file typically consisting of only one frame (i.e. subsequent frames are ignored). All these frames are concate-
nated and written to the Shape file SHAPE.
Splitting
SHAPE will be read and split into its component frames. Each of those will be written to its own Shape file. The names of these files are
determined by splitting the name of SHAPE before the last dot -- anything before this dot is the STEM, anything else (including the dot) is
the PREFIX, which may be empty in case there is no dot in the name. The output files are then named STEM_nnSUFFIX with nn replaced by the
frame number.
EXAMPLES
splitshp button.shp button-up.shp button-down.shp
Packs the (first) two frames from button-up.shp and button-down.shp into the Shape file button.shp
splitshp grizzly
Unpacks the frames contained in the Shape file grizzly into the (single-frame) Shape files grizzly_00, grizzly_01, grizzly_02, etc.
splitshp boar.new.shp
Unpacks the frames contained in the Shape file boar.new.shp into the (single-frame) Shape files boar.new_00.shp, boar.new_01.shp,
boar.new_02.shp, etc.
AUTHOR
This manpage was written by Robert Bihlmeyer. It may be freely redistributed and modified under the terms of the GNU General Public License
version 2 or higher.
SEE ALSO
exult(6), shp2pcx(1)
Exult 2002-03-24 splitshp(1)