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Full Discussion: While loop a file containing list of file names until the files are found?
Top Forums Shell Programming and Scripting While loop a file containing list of file names until the files are found? Post 302941641 by Scrutinizer on Saturday 18th of April 2015 07:13:32 PM
Old 04-18-2015
Hi, it can be done with arrays, like Don Cragun suggested. One way would be to use associative arrays (it could also be done with regular arrays). For example:

Code:
#!/bin/ksh
typeset -A files

while read f
do
  files["$f"]=
done < /home/user/ctlfile.txt

until [ ${#files[@]} -eq 0 ]
do
  for f in "${!files[@]}"
  do
    if [ -e "/data/project/US/$f" ]; then
      unset files["$f"]
    fi
  done 
  sleep 1
done

printf "%s\n" "All files are present."

This is just a rudimentary example you could try, checks would need to be added and some extra code to break it off after two hours ...



--
Note that the method you are proposing has a potential flaw, if it can happen that a file is placed in the directory and suequently removed then it will still be wrongfully reported as present...
So it may be advisable to have an extra final check for all files that need to be present..
Last edited by Scrutinizer; 04-19-2015 at 04:04 AM..
 

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LEARN ABOUT SUNOS

check-permissions

check-permissions(1M)					  System Administration Commands				     check-permissions(1M)

NAME

       check-permissions - check permissions on mail rerouting files

SYNOPSIS

       /usr/sbin/check-permissions [login]

DESCRIPTION

       The   check-permissions script is intended as a migration aid for sendmail(1M). It checks the /etc/mail/sendmail.cf file for all configured
       alias files, and checks the alias files for :include: files. It also checks for certain .forward files. For each file  that   check-permis-
       sions checks, it verifies that none of the parent directories are group- or world-writable. If any directories are overly permissive, it is
       reported. Otherwise it reports that no unsafe directories were found.

       As to which .forward files are checked, it depends on the arguments included on the command line. If no	argument  is  given,  the  current
       user's home directory is checked for the presence of a  .forward file. If any arguments are given, they are assumed to be valid logins, and
       the home directory of each one is checked.

       If the special argument ALL is given,  the passwd entry in the  /etc/nsswitch.conf file is checked, and all password entries  that  can	be
       obtained through the switch file are checked. In large domains, this can be time-consuming.

OPERANDS

       The following operands are supported:

       login	       Where login is a valid user name, checks the home directory for	login.

       ALL	       Checks the home directory of  all users.

FILES

       /etc/mail/sendmail.cf   Defines enviornment for	sendmail

       /etc/mail/aliases       Ascii mail aliases file

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsndmu 		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getent(1M), sendmail(1M), aliases(4), attributes(5)

SunOS 5.10							    10 Nov 2003 					     check-permissions(1M)
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