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Top Forums Shell Programming and Scripting Error while checking file existance Post 302734039 by ravigupta2u on Wednesday 21st of November 2012 11:51:00 AM
Old 11-21-2012
Error while checking file existance

Kindly help on below script:
Code:
<<

i='find ...'

if [ -f $i ] then
 echo 'File Exists'
else
  echo 'File Does Not Exist'

>>

If i has some file name then it runs properly but if i has nothing ( blank value) then it throws an error. I dont exactly remember right now but error seems like: "test:..parameter..."

To me it looks like if variablei does not have any file name if statements gets fail.

Could you please suggest me the right way to check if i has some file name and existence of file.

Thanks in advance

Moderator's Comments:
Mod Comment Please use code tags next time for your code and data.

Last edited by vbe; 11-21-2012 at 01:22 PM..
 

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Graphics::Primitive::Insets(3pm)			User Contributed Perl Documentation			  Graphics::Primitive::Insets(3pm)

NAME
Graphics::Primitive::Insets - Space between things DESCRIPTION
Graphics::Primitive::Insets represents the amount of space that surrounds something. This object can be used to represent either padding or margins (in the CSS sense, one being inside the bounding box, the other being outside) SYNOPSIS
use Graphics::Primitive::Insets; my $insets = Graphics::Primitive::Insets->new({ top => 5, bottom => 5, left => 5, right => 5 }); METHODS
Constructor new Creates a new Graphics::Primitive::Insets. Instance Methods as_array Return these insets as an array in the form of top, right, bottom and left. bottom Set/Get the inset from the bottom. equal_to Determine if these Insets are equal to another. left Set/Get the inset from the left. right Set/Get the inset from the right. top Set/Get the inset from the top. zero Sets all the insets (top, left, bottom, right) to 0. AUTHOR
Cory Watson, "<gphat@cpan.org>" SEE ALSO
perl(1) COPYRIGHT &; LICENSE Copyright 2008-2010 by Cory G Watson. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.12.3 2010-08-21 Graphics::Primitive::Insets(3pm)
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