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authorChet Ramey <chet.ramey@case.edu>2011-12-03 13:43:14 -0500
committerChet Ramey <chet.ramey@case.edu>2011-12-03 13:43:14 -0500
commitcc87ba64ee766ea51c1c1f2c541a23f22eec62d4 (patch)
tree9867dce3d1fb4b2e1a77fde4c7afac89a344e97f /doc/bashref.texi
parent10590446d192a7f8ddf60123dab298f2748c9c41 (diff)
downloadbash-cc87ba64ee766ea51c1c1f2c541a23f22eec62d4.tar.gz
commit bash-20050210 snapshot
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@@ -1314,12 +1314,13 @@ to the filename used to invoke Bash, as given by argument zero.
@item _
(An underscore.)
-At shell startup, set to the absolute filename of the shell or shell
-script being executed as passed in the argument list.
+At shell startup, set to the absolute pathname used to invoke the
+shell or shell script being executed as passed in the environment
+or argument list.
Subsequently, expands to the last argument to the previous command,
after expansion.
-Also set to the full pathname of each command executed and placed in
-the environment exported to that command.
+Also set to the full pathname used to invoke each command executed
+and placed in the environment exported to that command.
When checking mail, this parameter holds the name of the mail file.
@end vtable