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Full Discussion: Delete empty files from a directory entered in command prompt
Top Forums Shell Programming and Scripting Delete empty files from a directory entered in command prompt Post 302599598 by Corona688 on Friday 17th of February 2012 03:21:00 PM
Old 02-17-2012
Quote:
Originally Posted by adirajup
It worked .thanks a lot Smilie
Code:
    [  -s "$file" ] && continue

what if the file has 0 bytes will "continue" work to remove the file in the next statement
That statement means, "if the file exists and is more than 0 bytes, skip it and go back to the top of the loop".

Empty files don't have more than one byte, and won't skip to the top of the loop.
 

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LEARN ABOUT LINUX

continue

CONTINUE(P)						     POSIX Programmer's Manual						       CONTINUE(P)

NAME

       continue - continue for, while, or until loop

SYNOPSIS

       continue [n]

DESCRIPTION

       The  continue utility shall return to the top of the smallest enclosing for, while, or until loop, or to the top of the nth enclosing loop,
       if n is specified.  This involves repeating the condition list of a while or until loop or performing the next assignment of  a	for  loop,
       and re-executing the loop if appropriate.

       The  value of n is a decimal integer greater than or equal to 1. The default shall be equivalent to n=1. If n is greater than the number of
       enclosing loops, the outermost enclosing loop shall be used.

OPTIONS

       None.

OPERANDS

       See the DESCRIPTION.

STDIN

       Not used.

INPUT FILES

       None.

ENVIRONMENT VARIABLES

       None.

ASYNCHRONOUS EVENTS

       Default.

STDOUT

       Not used.

STDERR

       The standard error shall be used only for diagnostic messages.

OUTPUT FILES

       None.

EXTENDED DESCRIPTION

       None.

EXIT STATUS

	0     Successful completion.

       >0     The n value was not an unsigned decimal integer greater than or equal to 1.

CONSEQUENCES OF ERRORS

       Default.

       The following sections are informative.

APPLICATION USAGE

       None.

EXAMPLES

	      for i in *
	      do
		  if test -d "$i"
		  then continue
		  fi
		  echo ""$i"" is not a directory.
	      done

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       Special Built-In Utilities

COPYRIGHT

       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol-
       ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and  the  original  IEEE
       and  The  Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained
       online at http://www.opengroup.org/unix/online.html .

IEEE
/The Open Group						       2003							       CONTINUE(P)
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