Please help on "if" statement. Post: 302758497

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Top Forums UNIX for Dummies Questions & Answers Please help on "if" statement. Post 302758497 by chococrunch6 on Saturday 19th of January 2013 07:49:58 PM

01-19-2013

Registered User

Help on Loops to Grep logs

Hi,

Thanks RudiC for bringing up the order of the timestamp. Yes it does matter. Please help.

Current Setup:
Logs were rotated every 4hrs and they were compressed. If the logs exceed 10gb, it will be compressed (.Z), if not script will just zipped the logs (.gz). So archive directory may sometime contains *.gz and *.Z files, and there are times that it only contains *.gz files

Goal:
Help on Loops to Grep logs per domain, in a single text file, regardless if logs are in *gz or *Z.

domainlist="4prd 5prd 6prd 7prd 8prd"

expected output will be:

4prd_host.txt
5prd_host.txt
6prd_host.txt
7prd_host.txt
8prd_host.txt

I try to create one, but having problem on if statement.

Code:

domainlist="4prd 5prd 6prd 7prd 8prd"
for domain in $domainlist
   do
           if [ ? ] ; then
                gzgrep "$domain" $dir_arch/logs/*gz >> $dir_arch/logs/$domain_$myhost.txt    << for zip files (e.q log.gz)
                 gzip -f $dir_arch/logs/$domain_$myhost.txt
  else
                zcat $dir_arch/logs/*Z | grep "$domain" >> $dir_arch/logs/$domain_$myhost.txt << for compress files(e.q log.Z)
                gzip -f $dir_arch/logs/$domain_$myhost.txt
           fi
done

Kindly help. Thanks!

Regards,
Choco

Last edited by chococrunch6; 01-21-2013 at 01:52 PM.. Reason: stating clearer problem.

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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)