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Full Discussion: filter grep command
Top Forums Shell Programming and Scripting filter grep command Post 302364570 by LRoberts on Friday 23rd of October 2009 11:24:53 AM
Old 10-23-2009
Gave it a try but got this...
Code:
leviathan:/lcl/apps/Tivoli/netcool/omnibus/bin>./test.sh
./test.sh[3]: "${x:0:8}": bad substitution
leviathan:/lcl/apps/Tivoli/netcool/omnibus/bin>

Here is how I am testing...

Code:
#!/bin/ksh
x=entp_stdby
ps -ef | grep nco_p_syslog | grep "${x:0:8}" | awk '{print $2}'


Changed the " to ' and that fixed the error...
Code:
leviathan:/lcl/apps/Tivoli/netcool/omnibus/bin>./test.sh
./test.sh[3]: '${x:0:8}': bad substitution
leviathan:/lcl/apps/Tivoli/netcool/omnibus/bin>

But still no results. Seems like that would have worked. I see where you was going with it. It should have take the $x which has a value of entp_stdby and only did a grep for entp_std but it returned no results.

As you can see it should have returned results as this is running out there.
Code:
leviathan:/lcl/apps/Tivoli/netcool/omnibus/bin>ps -ef | grep syslog | grep  entp_std
  tivoli 20337     1   0 10:16:09 pts/1       0:01 /lcl/apps/Tivoli/netcool/omnibus/probes/solaris2/nco_p_syslog -manager entp_std

 

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LEARN ABOUT PHP

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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