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authorMattias Andrée <maandree@kth.se>2017-10-17 17:29:06 +0200
committerMattias Andrée <maandree@kth.se>2017-10-17 17:29:06 +0200
commitd04679a2e30ecc35a68e876829984c9dfba710e4 (patch)
tree209cb4a0962153e7ca948d82e7efaa9b3db750ae /doc/info/exec-as.texinfo
parentupdate dist (diff)
downloadexec-as-d04679a2e30ecc35a68e876829984c9dfba710e4.tar.gz
exec-as-d04679a2e30ecc35a68e876829984c9dfba710e4.tar.bz2
exec-as-d04679a2e30ecc35a68e876829984c9dfba710e4.tar.xz
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Signed-off-by: Mattias Andrée <maandree@kth.se>
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-\input texinfo @c -*-texinfo-*-
-
-@c %**start of header
-@setfilename exec-as.info
-@settitle exec-as
-@afourpaper
-@documentencoding UTF-8
-@documentlanguage en
-@finalout
-@c %**end of header
-
-
-@dircategory Miscellaneous
-@direntry
-* exec-as: (exec-as). exec with explicit argv[0]
-@end direntry
-
-
-@copying
-Copyright @copyright{} 2015 Mattias Andrée
-
-@quotation
-Permission is granted to copy, distribute and/or modify this document
-under the terms of the GNU Free Documentation License, Version 1.3 or
-any later version published by the Free Software Foundation; with no
-Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
-Texts. A copy of the license is included in the section entitled
-``GNU Free Documentation License''.
-@end quotation
-@end copying
-
-@ifnottex
-@node Top
-@top exec-as -- exec with explicit argv[0]
-@insertcopying
-@end ifnottex
-
-@titlepage
-@title exec-as
-@subtitle exec with explicit @code{argv[0]}
-@author by Mattias Andrée (maandree)
-
-@page
-@vskip 0pt plus 1filll
-@insertcopying
-@page
-@end titlepage
-
-@contents
-
-
-
-@menu
-* Overview:: Brief overview of @command{exec-as}.
-* Invoking:: Executing @command{exec-as}.
-* GNU Free Documentation License:: Copying and sharing this manual.
-@end menu
-
-
-
-@node Overview
-@chapter Overview
-@command{exec-as} shall spawn a program and
-lets the user specify a value for @code{argv[0]}
-explicitly.
-
-@command{exec-as} is intended as a shell
-command. It makes no since to use it from most
-programming languages.
-
-Since this is not a builtin function, it cannot
-be used as @command{exec} without arguments to
-set file descriptors.
-
-Because this is not a builtin function, running
-@command{exec-as} would normally do an fork–exec
-rather than just an exec. To just perform an
-exec, you need to use @command{exec} too:
-@code{exec exec-as}
-
-
-
-@node Invoking
-@chapter Invoking
-
-At least one argument are required. The first
-argument is the file to run. This can either
-be an absolute path, an explicitly relative path,
-or a file in @env{$PATH}. The second argument
-is the name of the process, @code{argv[0]}.
-The following arguments are the rest in of the
-values in @code{argv}, often called the
-command line arguments.
-
-@command{'exec-as bash -bash'} will run the first
-program in @env{$PATH} named @command{bash}, and
-set @code{argv[0]} to @code{-bash} (making it a
-login shell.) You can add addition argument as
-needed.
-
-
-
-@node GNU Free Documentation License
-@appendix GNU Free Documentation License
-@include fdl.texinfo
-
-@bye
-