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Full Discussion: Find pattern and replace using sed
Top Forums UNIX for Beginners Questions & Answers Find pattern and replace using sed Post 303039143 by RudiC on Tuesday 24th of September 2019 06:18:26 AM
Old 09-24-2019
I can't see an "empty regular expression" in your attempt, except if $HOSTNAME doesn't expand. Do you get the quoted error message with above?
parser won't match your sample file, and the latter has > as third field.



Try
Code:
awk '{$4 = ($1 ~ /merge/)?"M":($1 ~ /parse/)?"P":"X"} 1' file
INDmerge1 <dns > M
INDparse2 <dns > P
IND2 <dns > X

This User Gave Thanks to RudiC For This Post:
charlie87
 

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LEARN ABOUT PHP

db2_field_scale

DB2_FIELD_SCALE(3)							 1							DB2_FIELD_SCALE(3)

db2_field_scale - Returns the scale of the indicated column in a result set

SYNOPSIS

       int db2_field_scale (resource  $stmt, mixed  $column)

DESCRIPTION

	Returns the scale of the indicated column in a result set.

PARAMETERS

	      o $stmt
		- Specifies a statement resource containing a result set.

	      o $column
		-  Specifies  the  column in the result set. This can either be an integer representing the 0-indexed position of the column, or a
		string containing the name of the column.

RETURN VALUES

	Returns an integer containing the  scale  of  the  specified  column.  If  the	specified  column  does  not  exist  in  the  result  set,
       db2_field_scale(3) returns FALSE.

SEE ALSO

       db2_field_display_size(3), db2_field_name(3), db2_field_num(3), db2_field_precision(3), db2_field_type(3), db2_field_width(3).

PHP Documentation Group 													DB2_FIELD_SCALE(3)
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