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Top Forums Shell Programming and Scripting Help with Shell Script to View Logs Post 303001262 by Ricky777 on Tuesday 1st of August 2017 01:45:24 AM
Old 08-01-2017
Help with Shell Script to View Logs

Hi

I'm very new to unix shell scripting. Im also new here in this forum. I'm a SQL Server DBA but I'm slowly learning Oracle and Sybase DB. Our Oracle and Sybase are on Unix platforms. Im slowly learning Linux Admin and Shell Scripting to automate tasks.

I'm writing a script to view DB error logs. I'd like my script to ask me how many lines from the logs do I want to read and if I want to grep a word.

I use the if..else construct. the command after the "if" is working but after the "else", if blank, I just want my script to ignore the "grep"

Code:
## script
echo "Enter number of lines to view:"
read lines
echo "grep a word?"
read word
if [ word=$word ]
then
   tail -$lines /soft/prd/logs/sybase/SGPRD1_SQL.log | grep $word
else
   tail -$lines /soft/prd/logs/sybase/SGPRD1_SQL.log
fi


--Error:
Code:
grep a word?

Usage: grep -hblcnsviw pattern file . . .

Moderator's Comments:
Mod Comment Please use CODE tags when displaying sample input, output, and code segments.

Last edited by Don Cragun; 08-01-2017 at 03:52 AM..
 

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Jifty::DBI::Handle::Oracle(3pm) 			User Contributed Perl Documentation			   Jifty::DBI::Handle::Oracle(3pm)

NAME
Jifty::DBI::Handle::Oracle - An oracle specific Handle object SYNOPSIS
DESCRIPTION
This module provides a subclass of Jifty::DBI::Handle that compensates for some of the idiosyncrasies of Oracle. METHODS
connect PARAMHASH: Driver, Database, Host, User, Password Takes a paramhash and connects to your DBI datasource. database_version Returns value of ORA_OCI constant, see "Constants" in DBD::Oracle. insert Takes a table name as the first argument and assumes that the rest of the arguments are an array of key-value pairs to be inserted. build_dsn PARAMHASH Takes a bunch of parameters: Required: Driver, Database or Host/SID, Optional: Port and RequireSSL Builds a dsn suitable for an Oracle DBI connection blob_params column_NAME column_type Returns a hash ref for the bind_param call to identify BLOB types used by the current database for a particular column type. The current Oracle implementation only supports ORA_CLOB types(112). apply_limits STATEMENTREF ROWS_PER_PAGE FIRST_ROW takes an SQL SELECT statement and massages it to return ROWS_PER_PAGE starting with FIRST_ROW; distinct_query STATEMENTREF takes an incomplete SQL SELECT statement and massages it to return a DISTINCT result set. AUTHOR
Jesse Vincent, jesse@fsck.com SEE ALSO
Jifty::DBI, Jifty::DBI::Handle, DBD::Oracle perl v5.14.2 2011-04-26 Jifty::DBI::Handle::Oracle(3pm)
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