38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.sp 3

19d8729755d7f4d9503029a628dacbbdabcd2264wrowe.tl ''Ksh Features That Are Obsolete in Ksh93''

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.sp 2

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.AL 1

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickUsing a pair of grave accents \^\fB\(ga\fR ... \fB\(ga\fR\^

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickfor command substition. Use \fB$(\fR ... \fB)\fR instead.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B FCEDIT

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis an obsolete name for

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickthe default editor name for the

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B hist

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickcommand.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B FCEDIT

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis not used when

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B HISTEDIT

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis set. Use

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B HISTEDIT

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickinstead.

5f6e75bc39f8d95c7495ed17e585597cd6bd7fbatrawick.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThe newtest (\fB[[\fR ... \fB]]\fR) operator

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick\fB\-a\fP \fIfile\fP

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis obsolete. Use

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick\fB\-e\fP instead.

19d8729755d7f4d9503029a628dacbbdabcd2264wrowe.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThe newtest (\fB[[\fR ... \fB]]\fR) operator

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.BR = ,

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickas used in

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick\fIstring\fP \fB=\fP \fIpattern\fP

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis obsolete. Use

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick\fB==\fP instead.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThe following obsolete arithmetic comparisons are also permitted:

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.in +5

bb65aeae7af1d33b64252bbc1b966942d757ac60wrowe.VL 20

bb65aeae7af1d33b64252bbc1b966942d757ac60wrowe.LI "\fIexp1\fP \fB\-eq\fP \fIexp2\fP"

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickTrue, if

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.I exp1

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis equal to

58fcae4a8816f4a4d87b60a00346d095d085fce7wrowe.IR exp2 .

58fcae4a8816f4a4d87b60a00346d095d085fce7wrowe.LI "\fIexp1\fP \fB\-ne\fP \fIexp2\fP"

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickTrue, if

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.I exp1

bb65aeae7af1d33b64252bbc1b966942d757ac60wroweis not equal to

54c358157ff30a1c4f4f8b27f3a687f254afa493wrowe.IR exp2 .

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI "\fIexp1\fP \fB\-lt\fP \fIexp2\fP"

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickTrue, if

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.I exp1

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis less than

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.IR exp2 .

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI "\fIexp1\fP \fB\-gt\fP \fIexp2\fP"

bb65aeae7af1d33b64252bbc1b966942d757ac60wroweTrue, if

bb65aeae7af1d33b64252bbc1b966942d757ac60wrowe.I exp1

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis greater than

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.IR exp2 .

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI "\fIexp1\fP \fB\-le\fP \fIexp2\fP"

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickTrue, if

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.I exp1

bb65aeae7af1d33b64252bbc1b966942d757ac60wroweis less than or equal to

bb65aeae7af1d33b64252bbc1b966942d757ac60wrowe.IR exp2 .

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI "\fIexp1\fP \fB\-ge\fP \fIexp2\fP"

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickTrue, if

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.I exp1

58fcae4a8816f4a4d87b60a00346d095d085fce7wroweis greater than or equal to

58fcae4a8816f4a4d87b60a00346d095d085fce7wrowe.IR exp2 .

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LE \" End .VL

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.in -5

bb65aeae7af1d33b64252bbc1b966942d757ac60wrowe.LI

54c358157ff30a1c4f4f8b27f3a687f254afa493wroweUsing test -t or [ -t ] without specifying the file unit number.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThe

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B \-k

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickoption to the \fBset\fR builtin is obsolete. It causes

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.I all\^

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickvariable assignment arguments are placed in the environment,

bb65aeae7af1d33b64252bbc1b966942d757ac60wroweeven if they occur after the command name.

bb65aeae7af1d33b64252bbc1b966942d757ac60wroweThe following

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickfirst prints

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B "a=b c"

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickand then

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.BR c :

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThere is no alternative.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThe obsolete

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B \-xf

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickoption of the

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.B typeset

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowecommand allows a function to be exported

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweto scripts that are executed without a separate

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweinvocation of the shell.

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweFunctions that need to be defined across separate

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweinvocations of the shell should

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowebe placed in a directory and the

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B FPATH

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowevariable should contains the name of this directory.

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweThey may also

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowebe specified in the

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B ENV

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowefile with the

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B \-xf

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweoption of

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.BR typeset .

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.LI

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweThe shell environment variable

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B FCEDIT

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweis obsolete. Use

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B HISTEDIT

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweinstead.

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.LI

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweIn the

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B \-s

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweoption

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe(to \fBfc\fR or \fBhist\fR command???)

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe(

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweand in obsolete versions, the editor name

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B \-

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe)

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweis used to skip the editing phase and

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweto re-execute the command.

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.LI

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweThe

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwrowe.B \-t

aa1fc08e9f6acaa9de8f1301962c2dca202377fbwroweoption to \fBalias\fR builtin is is obsolete. It

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickis used to set and list tracked aliases.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawickThere is no replacement.

38d5ea7a83b07c254bf2b0103053c6b9c8f37d75trawick.LI

The shell command line option

.B \-t

is obsolete. This option cause the shell to exit after reading

and executing one command. The is no replacement (although ending

\&"command" with the exit builtin should have the same effect).

.LI

As an obsolete feature of the "set" builtin,

if the first

.I arg\^

is

.B \-

then the

.B \-x

and

.B \-v

options are turned off and the next

.I arg

is treated as the first argument.

Using

.B \+

rather than

.B \-

causes these options to be turned off.

These options can also be used upon invocation of the shell.

.LE