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Top Forums UNIX for Dummies Questions & Answers write() system call arguments Post 302512381 by l flipboi l on Saturday 9th of April 2011 09:05:51 PM
Old 04-09-2011
write() system call arguments

Hi,

I'm trying to understand the arguments from this system call, can someone help me figure it out?
Code:
write(1, "/home/nick/11sp/fred\n", 27/home/nick/11sp/fred) = 27

for argument 1, i know it is a file descriptor which specifies standard output. Argument 2, i believe is "what is to be written"... what's argument 3? and what is 27?

Thanks

Last edited by Scott; 04-09-2011 at 11:34 PM..
 

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PYTHON-SQLEDIT(1)					      General Commands Manual						 PYTHON-SQLEDIT(1)

NAME
sqledit - GUI to edit databases SYNOPSIS
sqledit [options][nick][URI][-ttable][-m][-uURL][-d][-D] [-ffield_list][-l] DESCRIPTION
sqledit is a GUI to edit database *data* (as opposed to database schemas). As sqledit is a GUI it's bettere explained in the html page, please visit http://sqlkit.argolinux.org/sqlkit/sqledit.html. When opened with no options you are presented an entry to fill the database URI or a button to start a demo (if found on your system) OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, see the Info files. -h, --help Show summary of options. -v, --version Show version of program. -l, --load Directly load data in tables when opened. -f, --field_list only show the listed fields (comma separated list). -n, --nick read options from nick definition (read NICKs below) -u, --nick open the URL. Acceptable formats are any format acceptable by sqlalchemy: engine://user:pass@host/dbname Acceptable engines depend on which drivers you have in your systems. Have a look at http://www.sqlalchemy.org/trac/wiki/DatabaseNotes -o, --order_by define the order by column -m, --mask Open the sqltable with a mask (form) view. -T, --sqltable Open the sqltable with a table view (default) NICKs Sqledit allows you to write nicks in file .sqleditdb. A nick looks like the following: [film] URL = sqlite:////home/sandro/src/django/siti/cinemino/cinemino.db [banca] URL = postgres://sandro:vicie@localhost:5432/banca table = conti_banche field_list = data tipo descrizione eu_in eu_out banca edit classe data_val order_by = data If you define a nick you can call sqledit simply as: sqledit film sqledit film -t director At present you need to edit the nick by hand The programs are documented fully in the web site http://sqlkit.argolinux.org/sqlkit/sqledit.html SQLKIT
Sqledit is just an application that shows the power of the python package sqlkit. Programming directly with python you can build much more interesting interfaces. The demo tour show what can be done in very few lines of code. EXAMPLES
sqledit sqledit postgres://localhost/sia sqledit postgres://localhost/sia -m (opens a mask view) TUTORIAL
You can read a tutorial on the main features of sqledit at http://sqlkit.argolinux.org/sqlkit/tutorial.html AUTHOR
python-sqledit was written by Alssandro Dentella This manual page was written by Alessandro Dentella <sandro@e-den.it> October 28, 2008 PYTHON-SQLEDIT(1)
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