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28 .\" @(#)script.1 8.1 (Berkeley) 6/6/93
36 .Nd make typescript of terminal session
41 .Op Ar file Op Ar command ...
45 utility makes a typescript of everything printed on your terminal.
46 It is useful for students who need a hardcopy record of an interactive
47 session as proof of an assignment, as the typescript file
48 can be printed out later with
57 If no file name is given, the typescript is saved in the file
64 will run the specified command with an optional argument vector
65 instead of an interactive shell.
67 The following options are available:
68 .Bl -tag -width indent
74 retaining the prior contents.
76 Log keys sent to program as well as output.
78 Run in quiet mode, omit the start and stop status messages.
80 Specify time interval between flushing script output file.
84 to flush for every character I/O event.
85 The default interval is
89 The script ends when the forked shell (or command) exits (a
105 Certain interactive commands, such as
107 create garbage in the typescript file.
110 utility works best with commands that do not manipulate the screen.
111 The results are meant to emulate a hardcopy terminal, not an addressable one.
113 The following environment variables are utilized by
115 .Bl -tag -width SHELL
119 environment variable is added to the sub-shell.
122 already existed in the users environment,
123 its value is overwritten within the sub-shell.
132 exists, the shell forked by
137 is not set, the Bourne shell
139 (Most shells set this variable automatically).
156 in the log file, including linefeeds and backspaces.
157 This is not what the naive user expects.
159 It is not possible to specify a command without also naming the script file
160 because of argument parsing compatibility issues.
164 mode, echo cancelling is far from ideal.
165 The slave terminal mode is checked
166 for ECHO mode to check when to avoid manual echo logging.
168 work when in a raw mode where the program being run is doing manual echo.