04-26-2019
Hi .. Output file is only one and input files are more than one. I need to sort them and merge into one file. When the keys in files matching, the sorting is not working fine . It is sorting based on other columns also which are not part of key. My question is if I add number in each file at the end to solve this, How will it work as in each file number will be added at the end.
--- Post updated at 04:03 PM ---
Hi .. I am able to apply this logic in one input file. In my scenario the input files are more than one . All of them to be sorted and generate one output file. Please help how to achieve this .
I have tried the option of combining the files in one Temporary file and in that temporary file I am applying this logic mentioned by you to generate final output.
Is there any other way.
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SPLIT(1) User Commands SPLIT(1)
NAME
split - split a file into pieces
SYNOPSIS
split [OPTION]... [INPUT [PREFIX]]
DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default size is 1000 lines, and default PREFIX is 'x'. With no INPUT, or
when INPUT is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-a, --suffix-length=N
generate suffixes of length N (default 2)
--additional-suffix=SUFFIX
append an additional SUFFIX to file names
-b, --bytes=SIZE
put SIZE bytes per output file
-C, --line-bytes=SIZE
put at most SIZE bytes of lines per output file
-d, --numeric-suffixes[=FROM]
use numeric suffixes instead of alphabetic; FROM changes the start value (default 0)
-e, --elide-empty-files
do not generate empty output files with '-n'
--filter=COMMAND
write to shell COMMAND; file name is $FILE
-l, --lines=NUMBER
put NUMBER lines per output file
-n, --number=CHUNKS
generate CHUNKS output files; see explanation below
-u, --unbuffered
immediately copy input to output with '-n r/...'
--verbose
print a diagnostic just before each output file is opened
--help display this help and exit
--version
output version information and exit
SIZE is an integer and optional unit (example: 10M is 10*1024*1024). Units are K, M, G, T, P, E, Z, Y (powers of 1024) or KB, MB, ...
(powers of 1000).
CHUNKS may be: N split into N files based on size of input K/N output Kth of N to stdout l/N split into N files without
splitting lines l/K/N output Kth of N to stdout without splitting lines r/N like 'l' but use round robin distribution r/K/N like-
wise but only output Kth of N to stdout
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report split translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site,
the command
info coreutils 'split invocation'
should give you access to the complete manual.
GNU coreutils 8.22 June 2014 SPLIT(1)