08-21-2008
Quote:
Originally Posted by
gio001
Hello everyone,
can anyone let me know if there is a way to get the count of elements in a word list that I use for a for loop in the way:
for single_result in $results ; do .......
I know I can increment a counter in my for loop, but would there be a way to know the total number of elements in the list without even starting the loop ?
Hope you can help.
Thanks.
Pls don't 'hijack' threads - start a new thread for any new queries.
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LEARN ABOUT LINUX
continue
CONTINUE(P) POSIX Programmer's Manual CONTINUE(P)
NAME
continue - continue for, while, or until loop
SYNOPSIS
continue [n]
DESCRIPTION
The continue utility shall return to the top of the smallest enclosing for, while, or until loop, or to the top of the nth enclosing loop,
if n is specified. This involves repeating the condition list of a while or until loop or performing the next assignment of a for loop,
and re-executing the loop if appropriate.
The value of n is a decimal integer greater than or equal to 1. The default shall be equivalent to n=1. If n is greater than the number of
enclosing loops, the outermost enclosing loop shall be used.
OPTIONS
None.
OPERANDS
See the DESCRIPTION.
STDIN
Not used.
INPUT FILES
None.
ENVIRONMENT VARIABLES
None.
ASYNCHRONOUS EVENTS
Default.
STDOUT
Not used.
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
None.
EXTENDED DESCRIPTION
None.
EXIT STATUS
0 Successful completion.
>0 The n value was not an unsigned decimal integer greater than or equal to 1.
CONSEQUENCES OF ERRORS
Default.
The following sections are informative.
APPLICATION USAGE
None.
EXAMPLES
for i in *
do
if test -d "$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)