10-19-2011
thank you
Its really working awesome.But my question is my original file1.txt and file2.txt have records in millions,so does it take huge time or efficient enough.
---------- Post updated at 11:21 PM ---------- Previous update was at 11:12 PM ----------
i need to compare the same for filed3 also.Iam java developer so no idea about shell script please help me regarding this also.I mean to say if filed3 filed2 changes i need to show both changes.
File1.txt
'393200103088';'TIM';'20060207'
File2.txt
'393200103088';'TIM';'20060208'
common.txt(Filed3 has changed for filed1)
'393200103088' '20060201' '2006208'
---------- Post updated at 11:39 PM ---------- Previous update was at 11:21 PM ----------
I had generated file3.txt by the following command.
diff file1.txt file2.txt > file3.txt
If you look into file3.txt
The records missing from file2 started with < symbol.
And the records missing from file1 started with > symbol.
And it also has coommon records(coomon first field)using this i have to generate same three files as i have mentioned in previous thread.
1.misssed_file1.txt
2.missed_file2.txt
3.common.txt
< '393200103052';'H3G';'20081204'
< '393200103059';'TIM';'20110111'
< '393200103061';'TIM';'20060206'
< '393200103064';'OPI';'20110623'
> '393200103052';'HKG';'20081204'
> '393200103056';'TIM';'20110111'
> '393200103088';'TIM';'20060206'
I think here > and < symobls are helpful to generate required files.
please help me regarding this.
---------- Post updated 10-19-11 at 12:23 AM ---------- Previous update was 10-18-11 at 11:39 PM ----------
my orginial file sizes
file1.txt-604 mb
file2.txt-422 mb
i had tested your code with original files its taking much time to process the files.please help me how i can optimize time.
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LEARN ABOUT REDHAT
mac2unix
dos2unix(1) General Commands Manual dos2unix(1)
NAME
dos2unix - DOS/MAC to UNIX text file format converter
SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...]
Options:
[-hkqV] [--help] [--keepdate] [--quiet] [--version]
DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format.
OPTIONS
The following options are available:
-h --help
Print online help.
-k --keepdate
Keep the date stamp of output file same as input file.
-q --quiet
Quiet mode. Suppress all warning and messages.
-V --version
Prints version information.
-c --convmode convmode
Sets conversion mode. Simulates dos2unix under SunOS.
-o --oldfile file ...
Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used.
-n --newfile infile outfile ...
New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be
used or you WILL lost your files.
EXAMPLES
Get input from stdin and write output to stdout.
dos2unix
Convert and replace a.txt. Convert and replace b.txt.
dos2unix a.txt b.txt
dos2unix -o a.txt b.txt
Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix
ascii format.
dos2unix a.txt -c iso b.txt
dos2unix -c ascii a.txt -c iso b.txt
dos2unix -c mac a.txt b.txt
Convert and replace a.txt while keeping original date stamp.
dos2unix -k a.txt
dos2unix -k -o a.txt
Convert a.txt and write to e.txt.
dos2unix -n a.txt e.txt
Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt.
dos2unix -k -n a.txt e.txt
Convert and replace a.txt. Convert b.txt and write to e.txt.
dos2unix a.txt -n b.txt e.txt
dos2unix -o a.txt -n b.txt e.txt
Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt.
dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt
DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me.
AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au>
Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org>
MISCELLANY
Tested environment:
Linux 1.2.0 with GNU C 2.5.8
SunOS 4.1.3 with GNU C 2.6.3
MS-DOS 6.20 with Borland C++ 4.02
Suggestions and bug reports are welcome.
SEE ALSO
unix2dos(1) mac2unix(1)
1995.03.31 dos2unix v3.0 dos2unix(1)