2 .tl ''Ksh Features That Are Obsolete in Ksh93''
6 Using a pair of grave accents \^\fB\(ga\fR ... \fB\(ga\fR\^
7 for command substition. Use \fB$(\fR ... \fB)\fR instead.
10 is an obsolete name for
11 the default editor name for the
21 The newtest (\fB[[\fR ... \fB]]\fR) operator
26 The newtest (\fB[[\fR ... \fB]]\fR) operator
29 \fIstring\fP \fB=\fP \fIpattern\fP
33 The following obsolete arithmetic comparisons are also permitted:
36 .LI "\fIexp1\fP \fB\-eq\fP \fIexp2\fP"
41 .LI "\fIexp1\fP \fB\-ne\fP \fIexp2\fP"
46 .LI "\fIexp1\fP \fB\-lt\fP \fIexp2\fP"
51 .LI "\fIexp1\fP \fB\-gt\fP \fIexp2\fP"
56 .LI "\fIexp1\fP \fB\-le\fP \fIexp2\fP"
59 is less than or equal to
61 .LI "\fIexp1\fP \fB\-ge\fP \fIexp2\fP"
64 is greater than or equal to
69 Using test -t or [ -t ] without specifying the file unit number.
73 option to the \fBset\fR builtin is obsolete. It causes
75 variable assignment arguments are placed in the environment,
76 even if they occur after the command name.
82 There is no alternative.
88 command allows a function to be exported
89 to scripts that are executed without a separate
90 invocation of the shell.
91 Functions that need to be defined across separate
92 invocations of the shell should
93 be placed in a directory and the
95 variable should contains the name of this directory.
104 The shell environment variable
113 (to \fBfc\fR or \fBhist\fR command???)
115 and in obsolete versions, the editor name
118 is used to skip the editing phase and
119 to re-execute the command.
123 option to \fBalias\fR builtin is is obsolete. It
124 is used to set and list tracked aliases.
125 There is no replacement.
127 The shell command line option
129 is obsolete. This option cause the shell to exit after reading
130 and executing one command. The is no replacement (although ending
131 \&"command" with the exit builtin should have the same effect).
133 As an obsolete feature of the "set" builtin,
142 options are turned off and the next
144 is treated as the first argument.
149 causes these options to be turned off.
150 These options can also be used upon invocation of the shell.