diff options
| -rw-r--r-- | bin/ksh/sh.1 | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/bin/ksh/sh.1 b/bin/ksh/sh.1 index d15a15815e7..75ffbf2b612 100644 --- a/bin/ksh/sh.1 +++ b/bin/ksh/sh.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sh.1,v 1.118 2015/03/19 22:38:28 zhuk Exp $ +.\" $OpenBSD: sh.1,v 1.119 2015/03/26 09:59:23 jmc Exp $ .\" .\" Copyright (c) 2015 Jason McIntyre <jmc@openbsd.org> .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: March 19 2015 $ +.Dd $Mdocdate: March 26 2015 $ .Dt SH 1 .Os .Sh NAME @@ -1598,18 +1598,36 @@ It sets up redirections, if any, and then expands variable assignments, if any. It then attempts to run the command. .Pp -Firstly, if the command is a special built-in -it invokes the built-in. -If not, but it is a shell function, +Firstly, it determines whether the command name contains any slashes. +If it does not, and the shell implements the command as a special built-in, +it then invokes the built-in. +If not, but it is a non POSIX standard command, +implemented as a shell function, it then invokes that. -If not, but it is a regular built-in, +If not, but it is one of the commands +.Ic alias , bg , cd , command , +.Ic false , fc , fg , getopts , +.Ic jobs , kill , newgrp , pwd , +.Ic read , true , umask , unalias , +or +.Ic wait , it then invokes that. -Failing that, it uses the value of +.Pp +Failing that, the value of .Ev PATH -to search for the command. -If it finds a match which is a regular built-in or function it invokes it. -Otherwise if it finds a match, -or if the command name contains a slash, +is used to search for the command. +If it finds a match, +and it is a POSIX standard command, +implemented as a built-in or function, +it then invokes it. +Otherwise +it attempts to execute the command in an environment separate from the shell. +If it is unable to execute the command, +it tries to run it as a shell script. +.Pp +Finally, if the command name does contain a slash, +and it finds a match in +.Ev PATH , it attempts to execute the command in an environment separate from the shell. If it is unable to execute the command, it tries to run it as a shell script. |