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Abbreviations:
-
Whitespace between the word `exec' and fdpat and the command name
can be omitted.
-
Trailing dots and a fdpat consisting only of dots can be omitted.
-
A simple `|' is synonymous for the `!..|' pattern.
-
The word `exec' can be omitted when the `|' abbreviation is used.
-
The word `exec' can always be replaced by leading `!'.
Examples:
!/bin/sh
-
exec /bin/sh
-
exec ... /bin/sh
-
Creates another shell in the same window, while the original shell is still
running. Output of both shells is displayed and user input is sent to the new
`/bin/sh'.
!!stty 19200
-
exec!stty 19200
-
exec !.. stty 19200
-
Set the speed of the window's tty. If your stty command operates on stdout, then
add another `!'. This is a useful command, when a screen window is
directly connected to a serial line that needs to be configured.
|less
-
exec !..| less
-
This adds a pager to the window output. The special character `|' is
needed to give the user control over the pager although it gets its input from
the window's process. This works, because `less' listens on stderr
(a behavior that
screen
would not expect without the `|')
when its stdin is not a tty. Less
versions newer than 177 fail miserably
here; good old pg
still works.
!:sed -n s/.*Error.*/\007/p
-
Sends window output to both, the user and the sed command. The sed inserts an
additional bell character (oct. 007) to the window output seen by screen.
This will cause 'Bell in window x' messages, whenever the string `Error'
appears in the window.
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