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Top Forums Shell Programming and Scripting Finding 50k Keywords in 3k files Post 302521153 by rjains on Tuesday 10th of May 2011 11:06:14 AM
Old 05-10-2011
What Operating System and version do you have? -- Linux .....2.6.9-42.ELsmp #1 SMP Wed Jul 12 23:27:17 EDT 2006 i686 i686 i386 GNU/Linux

What Shell do you prefer? /bin/ksh

How big is the keywords file? 50k keywords (each keyword upto 30-40 char)
How big is the total of the 3k data files? Each file will have about 300-400 lines
Are these all normal unix text files with a reasonable record size? All text files

You appear to be attempting 150,000,000 serial file passes (15,000 x 3,000) -- Yes :-(

Is this a one-off or something which will be run again and again? -- Not one off. This will done regularly

Do you have a full-works database engine such as Oracle? -- if found to be more efficient we can get a database engine such as Oracle
 

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KDIFF3(1)						      General Commands Manual							 KDIFF3(1)

NAME
KDiff3 -- compares two or three input files or directories SYNOPSIS
KDiff3 [QT options] [KDE options] [KDiff3 options] [File1/base] [File2] [File3] DESCRIPTION
This manual page documents briefly the KDiff3 tool. This manual page was written for the Debian distribution because the original program does not have a manual page. For comprehensive help, please see khelpcenter help:/kdiff3. KDiff3 is a program that o compares or merges two or three text input files or directories o shows the differences line by line and character by character o provides an automatic merge-facility and o an integrated editor for comfortable solving of merge-conflicts o supports Unicode, UTF-8 and other codecs o supports KIO on KDE (allows accessing ftp, sftp, fish, smb etc.) o Printing of differences o Manual alignment of lines o Automatic merging of version control history ($Log$) OPTIONS
This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a full summary of options, run KDiff3 --help. -m, --merge Merge the input. -b, --base file Explicit base file. For compatibility with certain tools. -o, --output file Output file. Implies -m. E.g.: -o newfile.txt --out file Output file, again. (For compatibility with certain tools.) --auto No GUI if all conflicts are auto-solvable. (Needs -o file) --qall Don't solve conflicts automatically. (For compatibility...) -L1 alias Visible name replacement for first file/base file. -L2 alias Visible name replacement for second file. -L3 alias Visible name replacement for third file. -L, --fname alias Visible name replacement. May by supplied for each input. --cs string Change a setting, e. g. --cs "AutoAdvance=1". --confighelp Show a list of all settings and their values. --config file Use a different settings file. --author Show author of program. -v, --version Show version of program. --license Show license of program. AUTHOR
This manual page was written by Eike Sauer <eike@debian.org> for the Debian system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 (or, at your option, any later version published by the Free Software Foundation). On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. KDIFF3(1)
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