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Full Discussion: using flag inside a for loop to check condition
Top Forums Shell Programming and Scripting using flag inside a for loop to check condition Post 302275974 by codeman007 on Monday 12th of January 2009 06:33:02 PM
Old 01-12-2009
using flag inside a for loop to check condition
I have a logic like this
It initializes the flag variable as "T" at the beginning of the loop everytime
Inside each loop it checks for two conditions and updates the flag variable as "A" or "B"
In the end of the loop it checks for the value of the variable flag for "A" or "B" and execute different steps
This is not working as expected.What is the scope of the flag variable??

for filename in `<command will get list of files>`
do
flag="T"
if [ <checks for a condition A> ]
then
echo "Correct"
else
flag="A"
fi
if [ <checks for a condition B> ]
then
echo "Correct"
else
flag="B"
fi

if [[ flag == "A" || flag == "B" ]]
then
echo " Do nothing "
else
echo "Execute steps for flag T"
fi
done
 

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LEARN ABOUT FREEBSD

acl_get_flag_np

ACL_GET_FLAG_NP(3)					   BSD Library Functions Manual 					ACL_GET_FLAG_NP(3)

NAME

     acl_get_flag_np -- check if a flag is set in a flagset

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <sys/types.h>
     #include <sys/acl.h>

     int
     acl_get_flag_np(acl_flagset_t flagset_d, acl_flag_t flag);

DESCRIPTION

     The acl_get_flag_np() function is a non-portable function that checks if a NFSv4 ACL flag is set in a flagset.

RETURN VALUES

     If the flag in flag is set in the flagset flagset_d, a value of 1 is returned, otherwise a value of 0 is returned.

ERRORS

     If any of the following conditions occur, the acl_get_flag_np() function will return a value of -1 and set global variable errno to the cor-
     responding value:

     [EINVAL]		Argument flag does not contain a valid ACL flag or argument flagset_d is not a valid ACL flagset.

SEE ALSO

     acl(3), acl_add_flag_np(3), acl_clear_flags_np(3), acl_delete_flag_np(3), acl_get_flagset_np(3), acl_set_flagset_np(3), posix1e(3)

STANDARDS

     POSIX.1e is described in IEEE POSIX.1e draft 17.

HISTORY

     POSIX.1e support was introduced in FreeBSD 4.0.  The acl_get_flag_np() function was added in FreeBSD 8.0.

AUTHORS

     The acl_get_flag_np() function was written by Edward Tomasz Napierala <trasz@FreeBSD.org>.

BSD
								 October 30, 2014							       BSD
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