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Full Discussion: Birthday Calculation
Top Forums Shell Programming and Scripting Birthday Calculation Post 302272348 by fpmurphy on Tuesday 30th of December 2008 10:29:17 AM
Old 12-30-2008
Quote:
[[ ... ]] is not sh syntax. Use [ .. ].
]
Afraid it is supported by IEEE 1003.1:2004. Under shell command language reserved words section:

Reserved words are words that have special meaning to the shell
.....
The following words may be recognized as reserved words on some implementations (when none of the characters are quoted), causing unspecified results:

[[ ]] function select
......
 

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SQL::ReservedWords::PostgreSQL(3pm)			User Contributed Perl Documentation		       SQL::ReservedWords::PostgreSQL(3pm)

NAME
SQL::ReservedWords::PostgreSQL - Reserved SQL words by PostgreSQL SYNOPSIS
if ( SQL::ReservedWords::PostgreSQL->is_reserved( $word ) ) { print "$word is a reserved PostgreSQL word!"; } DESCRIPTION
Determine if words are reserved by PostgreSQL. METHODS
is_reserved( $word ) Returns a boolean indicating if $word is reserved by either PostgreSQL 7.3, 7.4, 8.0 or 8.1. is_reserved_by_postgresql7( $word ) Returns a boolean indicating if $word is reserved by either PostgreSQL 7.3 or 7.4. is_reserved_by_postgresql8( $word ) Returns a boolean indicating if $word is reserved by either PostgreSQL 8.0 or 8.1. reserved_by( $word ) Returns a list with PostgreSQL versions that reserves $word. words Returns a list with all reserved words. EXPORTS
Nothing by default. Following subroutines can be exported: is_reserved is_reserved_by_postgresql7 is_reserved_by_postgresql8 reserved_by words SEE ALSO
SQL::ReservedWords <http://www.postgresql.org/docs/manuals/> AUTHOR
Christian Hansen "chansen@cpan.org" COPYRIGHT
This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.8.8 2008-03-28 SQL::ReservedWords::PostgreSQL(3pm)
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