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Full Discussion: Script – Function Call
Top Forums Shell Programming and Scripting Script – Function Call Post 302535010 by Shanks on Wednesday 29th of June 2011 11:10:06 AM
Old 06-29-2011
Script – Function Call
Hello,

I have Individual function in my shell script ,

Code:
Function1
{
            Master activities 
}
 
Function2
{
            Sub activities 1
}
 
Function3
{
            Sub activities 2
}
…

I wanted to maintain the function , since later I might be using passing some parameter …etc, which would be generic in the program
My requirement is , based on the success or failure of the master activity , I need to perform Sub activity 1 , then based on success / failure , I need to do Sub activity 2 …etc

Do I need to declare a return value for each function ?
Like

Code:
Function1
{
            Master activities 
            Return master_flag
}
 
Function2
{
            Sub activities 1
            Return sub1_flag 
}
…

So , in my program
Code:
Function1
If master_flag!=0 then 
Exit ( so that I don’t proceed further ) 
Function2
If Return sub1_flag !=0 then 
Exit ( so that I don’t proceed further )

OR, can I get the success failure from the default return value after each function call ?

Code:
Function1
If [ $? != 0 ] then         
            Exit ( so that I don’t proceed further ) 
Function2
If [ $? != 0 ] then         
            Exit ( so that I don’t proceed further ) 
Function3…..

Can someone please me out with this code , or If there is a better way of doing this ?

Thanks In Advance,

-
Last edited by pludi; 06-29-2011 at 12:36 PM.. Reason: Removed excessive formatting, added code tags
 

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LEARN ABOUT CENTOS

paps

PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME

       paps - UTF-8 to PostScript converter using Pango

SYNOPSIS

       paps [options] files...

DESCRIPTION

       paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves
       through the pango ft2 backend.

OPTIONS

       These programs follow the usual GNU command line syntax, with long options starting with  two  dashes  (`-').   A  summary  of  options	is
       included below.

       --landscape
	      Landscape output. Default is portrait.

       --columns=cl
	      Number of columns output. Default is 1.

       --font=desc
	      Set the font description. Default is Monospace 12.

       --rtl  Do rtl layout.

       --paper ps
	      Choose paper size. Known paper sizes are legal, letter, a4. Default is A4.

       --bottom-margin=bm
	      Set bottom margin in postscript points (1/72 inch). Default is 36.

       --top-margin=tm
	      Set top margin. Default is 36.

       --left-margin=lm
	      Set left margin. Default is 36.

       --right-margin=rm
	      Set right margin. Default is 36.

       --help Show summary of options.

       --header
	      Draw page header for each page.

       --markup
	      Interpret the text as pango markup.

       --encoding=ENCODING
	      Assume the documentation encoding is ENCODING.

       --lpi  Set the lines per inch. This determines the line spacing.

       --cpi  Set the characters per inch. This is an alternative method of specifying the font size.

       --stretch-chars
	      Indicates  that  characters  should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops
	      behaviour.

AUTHOR

       paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>.

       This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others).

								  April  17, 2006							   PAPS(1)
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