Jim Porter 7c41016fca Allow setting the values of variable aliases in Eshell ... This makes commands like "COLUMNS=40 some-command" work as expected. * lisp/eshell/esh-cmd.el (eshell-subcommand-bindings): Remove 'process-environment' from here... * lisp/eshell/esh-var.el (eshell-var-initialize): ... and add to here, along with 'eshell-variable-aliases-list'. (eshell-inside-emacs): Convert to a 'defvar-local' to make it settable in a particular Eshell buffer. (eshell-variable-aliases-list): Make $?, $$, and $* read-only and update docstring. (eshell-set-variable): New function... (eshell-handle-local-variables, eshell/export, eshell/unset): ... use it. (eshell/set, pcomplete/eshell-mode/set): New functions. (eshell-get-variable): Get the variable alias's getter function when appropriate and use a safer method for checking function arity. * test/lisp/eshell/esh-var-tests.el (esh-var-test/set/env-var) (esh-var-test/set/symbol, esh-var-test/unset/env-var) (esh-var-test/unset/symbol, esh-var-test/setq, esh-var-test/export) (esh-var-test/local-variables, esh-var-test/alias/function) (esh-var-test/alias/function-pair, esh-var-test/alias/string) (esh-var-test/alias/string/prefer-lisp, esh-var-test/alias/symbol) (esh-var-test/alias/symbol-pair, esh-var-test/alias/export) (esh-var-test/alias/local-variables): New tests. * doc/misc/eshell.texi (Built-ins): Add 'set' and update 'unset' documentation. (Variables): Expand documentation of how to get/set variables.		2022-10-17 18:48:52 -07:00
..
em-alias.el
em-banner.el
em-basic.el
em-cmpl.el
em-dirs.el
em-elecslash.el
em-extpipe.el
em-glob.el
em-hist.el
em-ls.el
em-pred.el
em-prompt.el
em-rebind.el
em-script.el	Remove redundant let-bindings of inhibit-point-motion-hooks	2022-10-07 12:16:47 -04:00
em-smart.el	Remove redundant let-bindings of inhibit-point-motion-hooks	2022-10-07 12:16:47 -04:00
em-term.el
em-tramp.el
em-unix.el	Rename file-attribute-file-number' to file-attribute-file-identifier'	2022-10-14 21:32:15 +02:00
em-xtra.el
esh-arg.el	Remove redundant let-bindings of inhibit-point-motion-hooks	2022-10-07 12:16:47 -04:00
esh-cmd.el	Allow setting the values of variable aliases in Eshell	2022-10-17 18:48:52 -07:00
esh-ext.el
esh-io.el
esh-mode.el	Remove redundant let-bindings of inhibit-point-motion-hooks	2022-10-07 12:16:47 -04:00
esh-module.el
esh-opt.el
esh-proc.el	Fix encoding and decoding of process I/O in Eshell on Windows	2022-10-15 13:59:49 +03:00
esh-util.el
esh-var.el	Allow setting the values of variable aliases in Eshell	2022-10-17 18:48:52 -07:00
eshell.el