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Full Discussion: Parsing the Ruby File
Top Forums Shell Programming and Scripting Parsing the Ruby File Post 302484171 by thillai_selvan on Thursday 30th of December 2010 03:43:25 AM
Old 12-30-2010
Parsing the Ruby File
Hai any one pls guide me...
We can extract the line number of the sub routine/function/method in a Ruby file using the ctags command.

But I want to know the line number in which the sub routine is ending.

Example:

Quote:
#
# Function name : get_days_in_hash
# Argument :
# no arguments
# Return value :
# days information in hash format.
# Description :
# get the days. Assigned value for each day.
# 1 => 'Mon' ,
# 2 => 'Tues' ,
# 3 => 'Wed' ,
# 4 => 'Thu' ,
# 5 => 'Fri' ,
# 6 => 'Sat' ,
# 7 => 'Sun' ,
# 8 => 'Leave' ,
# 9 => 'Holiday'
# Logical flow :
# generate the hash
#
def get_days_in_hash
{ 1 => 'Mon' , 2 => 'Tues' , 3 => 'Wed' , 4 => 'Thu' , 5 => 'Fri' , 6 => 'Sat' , 7 => 'Sun' , 8 => 'Leave' , 9 => 'Holiday' }
end
Quote:
#
# Function name : user_filter
# Argument :
# get the controller and action.
# Return value :
# if the user not login then display the login page.
# Description :
# check the user is login or not.
# Logical flow :
# check the controller and action is not the login page or not.
# check the user is log-in or not.
# if not login then redirect the page to login page.
#
def user_filter()

# set the header information for the Browser
no_cache()

# check it is a login page or not.
# If it is not a not the login page then check the session whether he is login or not
# if is not login then display the login page.
if( not ( params[:controller] == 'main' && ( params[:action] == 'login' || params[:action] == 'index' ) ) )
if( not session[:user_id] )
#redirect_to :controller => 'main' , :action => 'login'
if( params[:action] == 'logout' )
flash[:notice] = 'Logged out Successfully'
else
flash[:notice] = "Session Expired"
end
render :text => "<script>
window.location='#{url_for(:controller => 'main' , :action => 'login' )}';
</script>"
end
end
end
Say the function get_days_in_hash starts in the line number 20.
It will be returned by the ctags command.
I want to know in which line number that appropriate function is ending.

For each functions in the file I want this informations like starting line of the file and the ending line of the file.

Please help me about how to achieve this.
Thanks in Advance,
 

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LEARN ABOUT FREEBSD

lastlogin

LASTLOGIN(8)						    BSD System Manager's Manual 					      LASTLOGIN(8)

NAME

     lastlogin -- indicate last login time of users

SYNOPSIS

     lastlogin [-f file] [-rt] [user ...]

DESCRIPTION

     The lastlogin utility will list the last login session of each specified user, or for all users by default.  Each line of output contains the
     user name, the tty from which the session was conducted, any hostname, and the start time for the session.

     If more than one user is given, the session information for each user is printed in the order given on the command line.  Otherwise, informa-
     tion for all users is printed.  By default, the entries are sorted by user name.

     The lastlogin utility differs from last(1) in that it only prints information regarding the very last login session.  The last login database
     is never turned over or deleted in standard usage.

     The following options are available:

     -f file
	     Open last login database file instead of the system-wide database.

     -r      Print the entries in reverse sorted order.

     -t      Sort the elements by last login time, instead of user name.

FILES

     /var/log/utx.lastlogin  last login database

SEE ALSO

     last(1), getutxent(3), ac(8)

AUTHORS

     John M. Vinopal wrote this program in January 1996 and contributed it to the NetBSD project.

BSD
								   June 6, 2011 							       BSD
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