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Full Discussion: Match a pattern and copy above two lines
Top Forums Shell Programming and Scripting Match a pattern and copy above two lines Post 302220232 by Danish Shakil on Thursday 31st of July 2008 07:40:44 AM
Old 07-31-2008
Still NOK
BOSS!!!

I am getting below mentioned error message with this code
for i in `grep tre My.log`
do
strow=`expr $i - 2`
myline=`echo "sed -n ""${strow}p"" My.log"`
done > MyNew.log

Dear ERA, can you please tell me how to grep tre and above two lines with grep -n command, also i have a lot of tre pattern in this file.

Thanks in advance for all you help..
I need a little more


===========================ERROR======================
++ for i in '`grep tre help.txt`'
+++ expr SBL-type - 2
expr: non-numeric argument
++ strow=
+++ echo 'sed -n p help.txt'
++ myline='sed -n p help.txt'
++ for i in '`grep tre help.txt`'
+++ expr % - 2
expr: syntax error
++ strow=
+++ echo 'sed -n p help.txt'
++ myline='sed -n p help.txt'
++ for i in '`grep tre help.txt`'
+++ expr tre - 2
expr: non-numeric argument
++ strow=
+++ echo 'sed -n p help.txt'
++ myline='sed -n p help.txt'
++ for i in '`grep tre help.txt`'
+++ expr nbr - 2
expr: non-numeric argument
 

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LEARN ABOUT PHP

hw_getobject

HW_GETOBJECT(3) 							 1							   HW_GETOBJECT(3)

hw_GetObject - Object record

SYNOPSIS

       mixed hw_getobject (int	$connection, mixed  $objectID, [string	$query])

DESCRIPTION

	Gets an object record. If the second parameter is an array of integer the function will

PARAMETERS

	      o $connection
		- The connection identifier.

	      o $objectID
		- The object identifier, or an array of identifiers.

	      o $query
		- The query string has the following syntax:

	      <expr> ::= "(" <expr> ")" |
			 "!" &lt;expr> |	  /* NOT */
			 <expr> "||" <expr> |  /* OR */
			 <expr> "&amp;&amp;" <expr> |  /* AND */
			 <attribute> <operator> <value>

	      <attribute> ::= /* any attribute name (Title, Author, DocumentType ...) */

	      <operator> ::= "=" |    /* equal */
			     "<" |    /* less than (string compare) */
			     ">" |    /* greater than (string compare) */
			     "~"      /* regular expression matching */

RETURN VALUES

	Returns the object record for the given object ID if the second parameter is an integer.

	If  the  second parameter is an array of integer the function will return an array of object records. In such a case the last parameter is
       also evaluated which is a query string.

SEE ALSO

       hw_getandlock(3), hw_getobjectbyquery(3).

PHP Documentation Group 													   HW_GETOBJECT(3)
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