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User Commands typeset(1)
NAME
typeset, whence - shell built-in functions to set/get attri-
butes and values for shell variables and functions
SYNOPSIS
typeset [ _ HLRZfilrtux [n]] [ name [ = value]]...
whence [-pv] name...
DESCRIPTION
typeset sets attributes and values for shell variables and
functions. When typeset is invoked inside a function, a new
instance of the variables name is created. The variables
value and type are restored when the function completes. The
following list of attributes may be specified:
-H This flag provides UNIX to host-name file mapping
on non-UNIX machines.
-L Left justify and remove leading blanks from value.
If n is non-zero it defines the width of the field;
otherwise, it is determined by the width of the
value of first assignment. When the variable is
assigned to, it is filled on the right with blanks
or truncated, if necessary, to fit into the field.
Leading zeros are removed if the -Z flag is also
set. The -R flag is turned off.
-R Right justify and fill with leading blanks. If n
is non-zero it defines the width of the field, oth-
erwise it is determined by the width of the value
of first assignment. The field is left filled with
blanks or truncated from the end if the variable is
reassigned. The -L flag is turned off.
-Z Right justify and fill with leading zeros if the
first non-blank character is a digit and the -L
flag has not been set. If n is non-zero it defines
the width of the field; otherwise, it is determined
by the width of the value of first assignment.
-f The names refer to function names rather than vari-
able names. No assignments can be made and the only
other valid flags are -t, -u and -x. The flag -t
SunOS 5.10 Last change: 1 Feb 1995 1
User Commands typeset(1)
turns on execution tracing for this function. The
flag -u causes this function to be marked unde-
fined. The FPATH variable will be searched to
find the function definition when the function is
referenced. The flag -x allows the function defin-
ition to remain in effect across shell procedures
invoked by name.
-i Parameter is an integer. This makes arithmetic
faster. If n is non-zero it defines the output
arithmetic base; otherwise, the first assignment
determines the output base.
-l All upper-case characters are converted to lower-
case. The upper-case flag, -u is turned off.
-r The given names are marked readonly and these names
cannot be changed by subsequent assignment.
-t Tags the variables. Tags are user definable and
have no special meaning to the shell.
-u All lower-case characters are converted to upper-
case characters. The lower-case flag, -l is turned
off.
-x The given names are marked for automatic export to
the environment of subsequently-executed commands.
The -i attribute can not be specified along with -R, -L, -Z,
or -f.
Using + rather than - causes these flags to be turned off.
If no name arguments are given but flags are specified, a
list of names (and optionally the values) of the variables
which have these flags set is printed. (Using + rather than
- keeps the values from being printed.) If no names and
flags are given, the names and attributes of all variables
SunOS 5.10 Last change: 1 Feb 1995 2
User Commands typeset(1)
are printed.
For each name, whence indicates how it would be interpreted
if used as a command name.
The -v flag produces a more verbose report.
The -p flag does a path search for name even if name is an
alias, a function, or a reserved word.
On this man page, ksh(1) commands that are preceded by one
or two * (asterisks) are treated specially in the following
ways:
1. Variable assignment lists preceding the command remain
in effect when the command completes.
2. I/O redirections are processed after variable assign-
ments.
3. Errors cause a script that contains them to abort.
4. Words, following a command preceded by ** that are in
the format of a variable assignment, are expanded with
the same rules as a variable assignment. This means that
tilde substitution is performed after the = sign and
word splitting and file name generation are not per-
formed.
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | SUNWcsu |
|_____________________________|_____________________________|
SEE ALSO
ksh(1), set(1), sh(1), attributes(5)
SunOS 5.10 Last change: 1 Feb 1995 3
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This page was generated on Wed Sep 12 11:25:35 GMT 2007
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