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Shell Programming and Scripting
Compare two text files and Only show the differences
Post 302372828 by CelvinSaran on Wednesday 18th of November 2009 11:36:39 PM
11-19-2009
Compare two text files and Only show the differences
Hi experts,
I'mvery new to shell scripting and learning it now
currently i am having a problem which may look easy to u
i have two files
File 1:
Start :Thu Nov 19 10:33:09 2009
ABCDGFSDJ.txt
APDemoNew.ppt
APDemoOutline.doc
ARDemoNew.ppt
ARDemoOutline.doc
File 2:
Start :Thu Nov 19 10:33:20 2009
ABCDGFSDJ.txt
APDemoNew.ppt
ARDemoNew.ppt
ARDemoOutline.doc
i should find the difference in file 2 compare to file 1
If any file missing, shell script should indicate the the missed file and write it in another text file(ex error.txt)
shell script should not compare the first line (date) for both test file(file1 and file2)
for example the output should be like in Error.txt
File missing :
APDemoOutline.doc
i would really appreciate if anyone can help me..
I'mvery new to shell scripting and learning it now
currently i am having a problem which may look easy to u
i have two files
File 1:
Start :Thu Nov 19 10:33:09 2009
ABCDGFSDJ.txt
APDemoNew.ppt
APDemoOutline.doc
ARDemoNew.ppt
ARDemoOutline.doc
File 2:
Start :Thu Nov 19 10:33:20 2009
ABCDGFSDJ.txt
APDemoNew.ppt
ARDemoNew.ppt
ARDemoOutline.doc
i should find the difference in file 2 compare to file 1
If any file missing, shell script should indicate the the missed file and write it in another text file(ex error.txt)
shell script should not compare the first line (date) for both test file(file1 and file2)
for example the output should be like in Error.txt
File missing :
APDemoOutline.doc
i would really appreciate if anyone can help me..
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LEARN ABOUT REDHAT
dos2unix
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)