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Top Forums Shell Programming and Scripting egrep string except when preceded by underscore Post 302357704 by danmauer on Wednesday 30th of September 2009 11:58:22 AM
Old 09-30-2009
egrep string except when preceded by underscore

having trouble with this seemingly simple taks.. Smilie

Test data:

Quote:
${DB2HOME}/load_${Gmdsschema}.crnt_rgn_trunc_${SYS_FILE_DATE}
replace into ${Gmdsschema}.crnt_rgn
${Gmdsschema}.crnt_rgn
${DB2HOME}/load_${Gmdsschema}.crnt ${Gmdsschema}.base_rgn
we want to keep lines 2,3 & 4

-- want to exclude when ${.*schema} is preceded with an underscore; Valid {.*schema} should always be preceded spaces or be found at the beginning of a line.



Code:
 
egrep "[^_][$]{.*schema}\."

I would like to thank whomever looks at this in advance for your time .
 

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DROP 
SCHEMA(7) SQL Commands DROP SCHEMA(7) NAME
DROP SCHEMA - remove a schema SYNOPSIS
DROP SCHEMA [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] DESCRIPTION
DROP SCHEMA removes schemas from the database. A schema can only be dropped by its owner or a superuser. Note that the owner can drop the schema (and thereby all contained objects) even if he does not own some of the objects within the schema. PARAMETERS
IF EXISTS Do not throw an error if the schema does not exist. A notice is issued in this case. name The name of a schema. CASCADE Automatically drop objects (tables, functions, etc.) that are contained in the schema. RESTRICT Refuse to drop the schema if it contains any objects. This is the default. EXAMPLES
To remove schema mystuff from the database, along with everything it contains: DROP SCHEMA mystuff CASCADE; COMPATIBILITY
DROP SCHEMA is fully conforming with the SQL standard, except that the standard only allows one schema to be dropped per command, and apart from the IF EXISTS option, which is a PostgreSQL extension. SEE ALSO
ALTER SCHEMA [alter_schema(7)], CREATE SCHEMA [create_schema(7)] SQL - Language Statements 2010-05-14 DROP SCHEMA(7)
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