02-07-2017
Actually, I think I see the problem now. The starting value of $pref probably isn't what you think it is. The values of a 'for' loop aren't necessarily valid filenames.
In the future, please post more complete code. The code that sets variables you're using is important - garbage in, garbage out.
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LEARN ABOUT SUNOS
environ
environ(4) File Formats environ(4)
NAME
environ, pref, variables - user-preference variables files for AT&T FACE
SYNOPSIS
$HOME/pref/.environ
$HOME/pref/.variables
$HOME/FILECABINET/.pref
$HOME/WASTEBASKET/.pref
DESCRIPTION
The .environ, .pref, and .variables files contain variables that indicate user preferences for a variety of operations. The .environ and
.variables files are located under the user's $HOME/pref directory. The .pref files are found under $HOME/FILECABINET, $HOME/WASTEBASKET,
and any directory where preferences were set via the organize command. Names and descriptions for each variable are presented below. Vari-
ables are listed one per line and are of the form variable=value.
.environ Variables
Variables found in .environ include:
LOGINWIN[1-4] Windows that are opened when FACE is initialized.
SORTMODE Sort mode for file folder listings. Values include the following hexadecimal digits:
1 Sorted alphabetically by name.
2 Files most recently modified first.
800 Sorted alphabetically by object type.
The values above may be listed in reverse order by ORing the following value:
1000 List objects in reverse order. For example, a value of 1002 will produce a folder listing with files LEAST
recently modified displayed first. A value of 1001 would produce a "reverse" alphabetical by name listing of the
folder.
DISPLAYMODE Display mode for file folders. Values include the following hexadecimal digits:
0 File names only.
4 File names and brief description.
8 File names, description, plus additional information.
WASTEPROMPT Prompt before emptying wastebasket (yes/no?).
WASTEDAYS Number of days before emptying wastebasket.
PRINCMD[1-3] Print command defined to print files.
UMASK Holds default permissions with which files will be created.
.pref Variables
Variables found in .pref are the following:
SORTMODE Contains the same values as the SORTMODE variable described in .environ above.
DISPMODE Contains the same values as the DISPLAYMODE variable described in .environ above.
.variable Variables
Variables found in .variables include:
EDITOR Default editor.
PS1 Shell prompt.
SunOS 5.10 3 Jul 1990 environ(4)