Hi, I came across with this line "set -x" in the beginning of a script, but i can't find one logic reason for this... should be something else after, i think.... anyone can help?
tanx (2 Replies)
Hello,
So I sorted my file as I was supposed to:
sort -n -r -k 2 -k 1 file1 | uniq > file2
and when I wrote
> cat file2
in the command line, I got what I was expecting, but in the script itself
...
sort -n -r -k 2 -k 1 averages | uniq > temp
cat file2
It wrote a whole... (21 Replies)
cat ~/text.xt | while read line
do
echo ${line} | perl -pe 's/(\d+)/localtime($1)/e'
done
how can i efficiently re-code the above?
also, no matter how i run this, i'm not getting the current/correct date. the contents of the "text.xt" looks like this:
SERVICES... (2 Replies)
I wrote by accident:
cd .
and even hit ENTER.
Then I realized this is probably the most useless command that you can imagine. Yes, perhaps it could assert that there is still a working filesystem, but I am not sure about it.
What do you think?
Can you think of any more useless commands? :) (6 Replies)
Discussion started by: colemar
6 Replies
LEARN ABOUT DEBIAN
sql::reservedwords::mysql
SQL::ReservedWords::MySQL(3pm) User Contributed Perl Documentation SQL::ReservedWords::MySQL(3pm)NAME
SQL::ReservedWords::MySQL - Reserved SQL words by MySQL
SYNOPSIS
if ( SQL::ReservedWords::MySQL->is_reserved( $word ) ) {
print "$word is a reserved MySQL word!";
}
DESCRIPTION
Determine if words are reserved by MySQL.
METHODS
is_reserved( $word )
Returns a boolean indicating if $word is reserved by either MySQL 3.2, 4.0, 4.1, 5.0 or 5.1.
is_reserved_by_mysql3( $word )
Returns a boolean indicating if $word is reserved by MySQL 3.2.
is_reserved_by_mysql4( $word )
Returns a boolean indicating if $word is reserved by either MySQL 4.0 or 4.1.
is_reserved_by_mysql5( $word )
Returns a boolean indicating if $word is reserved by either MySQL 5.0 or 5.1.
reserved_by( $word )
Returns a list with MySQL 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_mysql3
is_reserved_by_mysql4
is_reserved_by_mysql5
reserved_by
words
SEE ALSO
SQL::ReservedWords
<http://dev.mysql.com/doc/>
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::MySQL(3pm)