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.TH "asciinema" "1" "April 11, 2017" "asciinema 1.4.0"
.SH "NAME"
asciinema \- terminal session recorder
.SH "SYNOPSIS"
.B asciinema
.I [\-h] [\-\-version] command [<args>]
.SH "DESCRIPTION"
Terminal session recorder and the best companion of asciinema.org service.
.\" Automatically generated by Pandoc 2.1.1
.\"
.TH "ASCIINEMA" "1" "" "Version 2.0" "asciinema"
.hy
.SH NAME
.PP
asciinema is composed of multiple commands, similar to git, apt-get or brew.
\f[B]asciinema\f[] \- terminal session recorder
.SH SYNOPSIS
.PP
\f[B]asciinema \-\-version\f[]
.PD 0
.P
.PD
\f[B]asciinema\f[] \f[I]command\f[] [\f[I]options\f[]] [\f[I]args\f[]]
.SH DESCRIPTION
.PP
asciinema lets you easily record terminal sessions and replay them in a
terminal as well as in a web browser.
.SH COMMANDS
.PP
asciinema is composed of multiple commands, similar to \f[C]git\f[],
\f[C]apt\-get\f[] or \f[C]brew\f[].
.PP
When you run \f[B]asciinema\f[] with no arguments help message is
displayed, listing all available commands with their options.
.SS rec [\f[I]filename\f[]]
.PP
When you run asciinema with no arguments help messages is displayed, listing all available commands with their options.
.SH "OPTIONS"
.TP
\-h, \-\-help
Display help message
.TP
\-\-version
Display version information
.SH "COMMANDS"
.B rec [<filename>]
.RS 4
Record terminal session.
.PP
This is the single most important command in asciinema, since it is how you utilize this tool's main job.
By running \f[B]asciinema rec [filename]\f[] you start a new recording
session.
The command (process) that is recorded can be specified with
\f[B]\-c\f[] option (see below), and defaults to \f[B]$SHELL\f[] which
is what you want in most cases.
.PP
By running \fBasciinema rec\fP \fI[filename]\fP you start a new recording session. The command (process) that is recorded can be specified with \fI-c\fP option (see below), and defaults to \fB$SHELL\fP which is what you want in most cases.
Recording finishes when you exit the shell (hit Ctrl+D or type
\f[C]exit\f[]).
If the recorded process is not a shell then recording finishes when the
process exits.
.PP
Recording finishes when you exit the shell (hit \fBCtrl+D\fP or type \fIexit\fP). If the recorded process is not a shell than recording finishes when the process exits.
If the \f[I]filename\f[] argument is omitted then (after asking for
confirmation) the resulting asciicast is uploaded to
asciinema\-server (https://github.com/asciinema/asciinema-server) (by
default to asciinema.org), where it can be watched and shared.
.PP
If the \fIfilename\fP argument is given then the resulting recording is saved to a local file. It can later be replayed with \fBasciinema play\fP \fI<filename>\fP and/or uploaded to asciinema.org with \fBasciinema upload\fP \fI<filename>\fP. If the \fIfilename\fP argument is omitted then (after asking for confirmation) the resulting asciicast is uploaded to asciinema.org for further playback in a web browser.
If the \f[I]filename\f[] argument is given then the resulting recording
(called asciicast (doc/asciicast-v2.md)) is saved to a local file.
It can later be replayed with \f[B]asciinema play <filename>\f[] and/or
uploaded to asciinema server with \f[B]asciinema upload <filename>\f[].
.PP
\fBASCIINEMA_REC=1\fP is added to recorded process environment variables. This can be used by your shell's config file (\fI.bashrc\fP, \fI.zshrc\fP) to alter the prompt or play a sound when shell is being recorded.
\f[B]ASCIINEMA_REC=1\f[] is added to recorded process environment
variables.
This can be used by your shell's config file (\f[C]\&.bashrc\f[],
\f[C]\&.zshrc\f[]) to alter the prompt or play a sound when the shell is
being recorded.
.TP
Available options:
.RS 4
.B Available options:
\
.RS
.TP
\-c, \-\-command
specify command to record, defaults to $SHELL
.B \f[C]\-\-stdin\f[]
Enable stdin (keyboard) recording (see below)
.RS
.RE
.TP
\-t
specify the title of the asciicast
.B \f[C]\-\-append\f[]
Append to existing recording
.RS
.RE
.TP
\-w, \-\-max\-wait
reduce recorded terminal inactivity to max <sec> seconds
.B \f[C]\-\-raw\f[]
Save raw STDOUT output, without timing information or other metadata
.RS
.RE
.TP
\-y, \-\-yes
answer "yes" to all prompts (e.g. upload confirmation)
.B \f[C]\-\-overwrite\f[]
Overwrite the recording if it already exists
.RS
.RE
.TP
\-q, \-\-quiet
be quiet, suppress all notices/warnings (implies -y)
.B \f[C]\-c,\ \-\-command=<command>\f[]
Specify command to record, defaults to \f[B]$SHELL\f[]
.RS
.RE
.TP
.B \f[C]\-e,\ \-\-env=<var\-names>\f[]
List of environment variables to capture, defaults to
\f[B]SHELL,TERM\f[]
.RS
.RE
.TP
.B \f[C]\-t,\ \-\-title=<title>\f[]
Specify the title of the asciicast
.RS
.RE
.TP
.B \f[C]\-i,\ \-\-idle\-time\-limit=<sec>\f[]
Limit recorded terminal inactivity to max \f[C]<sec>\f[] seconds
.RS
.RE
.TP
.B \f[C]\-y,\ \-\-yes\f[]
Answer \[lq]yes\[rq] to all prompts (e.g.\ upload confirmation)
.RS
.RE
.TP
.B \f[C]\-q,\ \-\-quiet\f[]
Be quiet, suppress all notices/warnings (implies \f[B]\-y\f[])
.RS
.RE
.RE
.PP
.B play <filename>
.RS 4
Stdin recording allows for capturing of all characters typed in by the
user in the currently recorded shell.
This may be used by a player (e.g.
asciinema\-player (https://github.com/asciinema/asciinema-player)) to
display pressed keys.
Because it's basically a key\-logging (scoped to a single shell
instance), it's disabled by default, and has to be explicitly enabled
via \f[B]\[en]stdin\f[] option.
.SS play <\f[I]filename\f[]>
.PP
Replay recorded asciicast in a terminal.
.PP
This command replays given asciicast (as recorded by \fIrec\fP command) directly in your terminal.
This command replays given asciicast (as recorded by \f[B]rec\f[]
command) directly in your terminal.
.PP
When "-" is passed as a filename the asciicast is read from stdin.
Following keyboard shortcuts are available:
.IP
.nf
\f[C]
Space\ \-\ toggle\ pause,
\&.\ \-\ step\ through\ a\ recording\ a\ frame\ at\ a\ time\ (when\ paused),
Ctrl+C\ \-\ exit.
\f[]
.fi
.PP
NOTE: it is recommended to run it in a terminal of dimensions not smaller than the one used for recording as there's no "transcoding" of control sequences for new terminal size.
Playing from a local file:
.IP
.nf
\f[C]
asciinema\ play\ /path/to/asciicast.cast
\f[]
.fi
.PP
Playing from HTTP(S) URL:
.IP
.nf
\f[C]
asciinema\ play\ https://asciinema.org/a/22124.cast
asciinema\ play\ http://example.com/demo.cast
\f[]
.fi
.PP
Playing from asciicast page URL (requires
\f[C]<link\ rel="alternate"\ type="application/x\-asciicast"\ href="/my/ascii.cast">\f[]
in page's HTML):
.IP
.nf
\f[C]
asciinema\ play\ https://asciinema.org/a/22124
asciinema\ play\ http://example.com/blog/post.html
\f[]
.fi
.PP
Playing from stdin:
.IP
.nf
\f[C]
cat\ /path/to/asciicast.cast\ |\ asciinema\ play\ \-
ssh\ user\@host\ cat\ asciicast.cast\ |\ asciinema\ play\ \-
\f[]
.fi
.PP
Playing from IPFS:
.IP
.nf
\f[C]
asciinema\ play\ dweb:/ipfs/QmNe7FsYaHc9SaDEAEXbaagAzNw9cH7YbzN4xV7jV1MCzK/ascii.cast
\f[]
.fi
.TP
Available options:
.RS 4
.B Available options:
\
.RS
.TP
\-w, \-\-max\-wait
reduce replayed terminal inactivity to max \fIsec\fP seconds
.B \f[C]\-i,\ \-\-idle\-time\-limit=<sec>\f[]
Limit replayed terminal inactivity to max \f[C]<sec>\f[] seconds
.RS
.RE
.TP
\-s, \-\-speed
speed up playback by factor \fIfactor\fP (can be fractional)
.B \f[C]\-s,\ \-\-speed=<factor>\f[]
Playback speed (can be fractional)
.RS
.RE
.RE
.SS cat <\f[I]filename\f[]>
.PP
Print full output of recorded asciicast to a terminal.
.PP
While \f[B]asciinema play \f[] replays the recorded session using timing
information saved in the asciicast, \f[B]asciinema cat \f[] dumps the
full output (including all escape sequences) to a terminal immediately.
.PP
\f[B]asciinema cat existing.cast >output.txt\f[] gives the same result
as recording via \f[B]asciinema rec \-\-raw output.txt\f[].
.SS upload
.PP
.B upload <filename>
.RS 4
Upload recorded asciicast to asciinema.org site.
.PP
This command uploads given asciicast (as recorded by \fIrec\fP command) to asciinema.org for further playback in a web browser.
This command uploads given asciicast (recorded by \f[B]rec\f[] command)
to asciinema.org, where it can be watched and shared.
.PP
\fBasciinema rec\fP \fIdemo.cast\fP + \fBasciinema play\fP \fIdemo.cast\fP + \fBasciinema upload\fP \fIdemo.cast\fP is a nice combo for when you want to review an asciicast before publishing it on asciinema.org.
\f[B]asciinema rec demo.cast\f[] + \f[B]asciinema play demo.cast\f[] +
\f[B]asciinema upload demo.cast\f[] is a nice combo if you want to
review an asciicast before publishing it on asciinema.org.
.SS auth
.PP
Link your install ID with your asciinema.org user account.
.PP
If you want to manage your recordings (change title/theme, delete) at
asciinema.org you need to link your \[lq]install ID\[rq] with
asciinema.org user account.
.PP
This command displays the URL to open in a web browser to do that.
You may be asked to log in first.
.PP
Install ID is a random ID (UUID
v4 (https://en.wikipedia.org/wiki/Universally_unique_identifier))
generated locally when you run asciinema for the first time, and saved
at \f[B]$HOME/.config/asciinema/install\-id\f[].
It's purpose is to connect local machine with uploaded recordings, so
they can later be associated with asciinema.org account.
This way we decouple uploading from account creation, allowing them to
happen in any order.
.PP
Note: A new install ID is generated on each machine and system user
account you use asciinema on, so in order to keep all recordings under a
single asciinema.org account you need to run \f[B]asciinema auth\f[] on
all of those machines.
.PP
Note: asciinema versions prior to 2.0 confusingly referred to install ID
as \[lq]API token\[rq].
.SH EXAMPLES
.PP
Record your first session:
.IP
.nf
\f[C]
asciinema\ rec\ first.cast
\f[]
.fi
.PP
Now replay it with double speed:
.IP
.nf
\f[C]
asciinema\ play\ \-s\ 2\ first.cast
\f[]
.fi
.PP
Or with normal speed but with idle time limited to 2 seconds:
.IP
.nf
\f[C]
asciinema\ play\ \-i\ 2\ first.cast
\f[]
.fi
.PP
You can pass \f[B]\-i 2\f[] to \f[B]asciinema rec\f[] as well, to set it
permanently on a recording.
Idle time limiting makes the recordings much more interesting to watch,
try it.
.PP
If you want to watch and share it on the web, upload it:
.IP
.nf
\f[C]
asciinema\ upload\ first.cast
\f[]
.fi
.PP
The above uploads it to <https://asciinema.org>, which is a default
asciinema\-server (<https://github.com/asciinema/asciinema-server>)
instance, and prints a secret link you can use to watch your recording
in a web browser.
.PP
You can record and upload in one step by omitting the filename:
.IP
.nf
\f[C]
asciinema\ rec
\f[]
.fi
.PP
You'll be asked to confirm the upload when the recording is done, so
nothing is sent anywhere without your consent.
.SH ENVIRONMENT
.TP
.B \f[B]ASCIINEMA_API_URL\f[]
This variable allows overriding asciinema\-server URL (which defaults to
https://asciinema.org) in case you're running your own asciinema\-server
instance.
.RS
.RE
.PP
.B auth
.RS 4
Assign local API token to asciinema.org account.
.PP
On every machine you install asciinema recorder, you get a new, unique API
token. This command connects this local token with your asciinema.org account,
and links all asciicasts recorded on this machine with the account.
.PP
This command displays the URL you should open in your web browser. If you never
logged in to asciinema.org then your account will be created when opening the
URL.
.PP
NOTE: it is \fBnecessary\fP to do this if you want to edit or delete your
recordings on asciinema.org.
.PP
You can synchronize your config file (which keeps the API token) across the
machines but that's not necessary. You can assign new tokens to your account
from as many machines as you want.
.TP
.B \f[B]ASCIINEMA_CONFIG_HOME\f[]
This variable allows overriding config directory location.
Default location is $XDG_CONFIG_HOME/asciinema (when $XDG_CONFIG_HOME is
set) or $HOME/.config/asciinema.
.RS
.RE
.SH "CONTRIBUTING"
If you want to contribute to this project check out Contributing page: \fIhttps://asciinema.org/contributing\fP
.SH "BUGS"
All your bug reports and feature ideas are highly appreciated as they help to improve the quality and functionality of asciinema for everyone.
.SH BUGS
.PP
As the service is built of several parts there are separate bug trackers:
.TP
https://github.com/asciinema/asciinema/issues
issues and ideas for the command line recorder
.TP
https://github.com/asciinema/asciinema-server/issues
issues and ideas for the website
.TP
https://github.com/asciinema/asciinema-player/issues
issues and ideas for the javascript player
.SH "AUTHORS"
Developed with passion by \fBMarcin Kulik\fP and great open source contributors.
See GitHub Issues: <https://github.com/asciinema/asciinema/issues>
.SH AUTHORS
.PP
asciinema's lead developer is Marcin Kulik.
.PP
For a list of all contributors look here:
<https://github.com/asciinema/asciinema/contributors>
.PP
This Manual Page was written by Marcin Kulik with help from Kurt
Pfeifle.

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% ASCIINEMA(1) Version 2.0 | asciinema
NAME
====
**asciinema** - terminal session recorder
SYNOPSIS
========
| **asciinema \-\-version**
| **asciinema** _command_ \[_options_] \[_args_]
DESCRIPTION
===========
asciinema lets you easily record terminal sessions and replay
them in a terminal as well as in a web browser.
COMMANDS
========
asciinema is composed of multiple commands, similar to `git`, `apt-get` or
`brew`.
When you run **asciinema** with no arguments help message is displayed, listing
all available commands with their options.
rec [_filename_]
---
Record terminal session.
By running **asciinema rec [filename]** you start a new recording session. The
command (process) that is recorded can be specified with **-c** option (see
below), and defaults to **$SHELL** which is what you want in most cases.
Recording finishes when you exit the shell (hit <kbd>Ctrl+D</kbd> or type
`exit`). If the recorded process is not a shell then recording finishes when
the process exits.
If the _filename_ argument is omitted then (after asking for confirmation) the
resulting asciicast is uploaded to
[asciinema-server](https://github.com/asciinema/asciinema-server) (by default to
asciinema.org), where it can be watched and shared.
If the _filename_ argument is given then the resulting recording (called
[asciicast](doc/asciicast-v2.md)) is saved to a local file. It can later be
replayed with **asciinema play \<filename>** and/or uploaded to asciinema server
with **asciinema upload \<filename>**.
**ASCIINEMA_REC=1** is added to recorded process environment variables. This
can be used by your shell's config file (`.bashrc`, `.zshrc`) to alter the
prompt or play a sound when the shell is being recorded.
Available options:
: &nbsp;
`--stdin`
: Enable stdin (keyboard) recording (see below)
`--append`
: Append to existing recording
`--raw`
: Save raw STDOUT output, without timing information or other metadata
`--overwrite`
: Overwrite the recording if it already exists
`-c, --command=<command>`
: Specify command to record, defaults to **$SHELL**
`-e, --env=<var-names>`
: List of environment variables to capture, defaults to **SHELL,TERM**
`-t, --title=<title>`
: Specify the title of the asciicast
`-i, --idle-time-limit=<sec>`
: Limit recorded terminal inactivity to max `<sec>` seconds
`-y, --yes`
: Answer "yes" to all prompts (e.g. upload confirmation)
`-q, --quiet`
: Be quiet, suppress all notices/warnings (implies **-y**)
Stdin recording allows for capturing of all characters typed in by the user in
the currently recorded shell. This may be used by a player (e.g.
[asciinema-player](https://github.com/asciinema/asciinema-player)) to display
pressed keys. Because it's basically a key-logging (scoped to a single shell
instance), it's disabled by default, and has to be explicitly enabled via
**--stdin** option.
play <_filename_>
---
Replay recorded asciicast in a terminal.
This command replays given asciicast (as recorded by **rec** command) directly in
your terminal.
Following keyboard shortcuts are available:
Space - toggle pause,
. - step through a recording a frame at a time (when paused),
Ctrl+C - exit.
Playing from a local file:
asciinema play /path/to/asciicast.cast
Playing from HTTP(S) URL:
asciinema play https://asciinema.org/a/22124.cast
asciinema play http://example.com/demo.cast
Playing from asciicast page URL (requires `<link rel="alternate"
type="application/x-asciicast" href="/my/ascii.cast">` in page's HTML):
asciinema play https://asciinema.org/a/22124
asciinema play http://example.com/blog/post.html
Playing from stdin:
cat /path/to/asciicast.cast | asciinema play -
ssh user@host cat asciicast.cast | asciinema play -
Playing from IPFS:
asciinema play dweb:/ipfs/QmNe7FsYaHc9SaDEAEXbaagAzNw9cH7YbzN4xV7jV1MCzK/ascii.cast
Available options:
: &nbsp;
`-i, --idle-time-limit=<sec>`
: Limit replayed terminal inactivity to max `<sec>` seconds
`-s, --speed=<factor>`
: Playback speed (can be fractional)
cat <_filename_>
---
Print full output of recorded asciicast to a terminal.
While **asciinema play <filename>** replays the recorded session using timing
information saved in the asciicast, **asciinema cat <filename>** dumps the full
output (including all escape sequences) to a terminal immediately.
**asciinema cat existing.cast >output.txt** gives the same result as recording via
**asciinema rec \-\-raw output.txt**.
upload <filename>
---
Upload recorded asciicast to asciinema.org site.
This command uploads given asciicast (recorded by **rec** command) to
asciinema.org, where it can be watched and shared.
**asciinema rec demo.cast** + **asciinema play demo.cast** + **asciinema upload
demo.cast** is a nice combo if you want to review an asciicast before
publishing it on asciinema.org.
auth
---
Link your install ID with your asciinema.org user account.
If you want to manage your recordings (change title/theme, delete) at
asciinema.org you need to link your "install ID" with asciinema.org user
account.
This command displays the URL to open in a web browser to do that. You may be
asked to log in first.
Install ID is a random ID ([UUID
v4](https://en.wikipedia.org/wiki/Universally_unique_identifier)) generated
locally when you run asciinema for the first time, and saved at
**$HOME/.config/asciinema/install-id**. It's purpose is to connect local machine
with uploaded recordings, so they can later be associated with asciinema.org
account. This way we decouple uploading from account creation, allowing them to
happen in any order.
Note: A new install ID is generated on each machine and system user account you use
asciinema on, so in order to keep all recordings under a single asciinema.org
account you need to run **asciinema auth** on all of those machines.
Note: asciinema versions prior to 2.0 confusingly referred to install ID as "API
token".
EXAMPLES
========
Record your first session:
asciinema rec first.cast
Now replay it with double speed:
asciinema play -s 2 first.cast
Or with normal speed but with idle time limited to 2 seconds:
asciinema play -i 2 first.cast
You can pass **-i 2** to **asciinema rec** as well, to set it permanently on a
recording. Idle time limiting makes the recordings much more interesting to
watch, try it.
If you want to watch and share it on the web, upload it:
asciinema upload first.cast
The above uploads it to <https://asciinema.org>, which is a
default asciinema-server (<https://github.com/asciinema/asciinema-server>)
instance, and prints a secret link you can use to watch your recording in a web
browser.
You can record and upload in one step by omitting the filename:
asciinema rec
You'll be asked to confirm the upload when the recording is done, so nothing is
sent anywhere without your consent.
ENVIRONMENT
===========
**ASCIINEMA_API_URL**
: This variable allows overriding asciinema-server URL (which defaults to
https://asciinema.org) in case you're running your own asciinema-server instance.
**ASCIINEMA_CONFIG_HOME**
: This variable allows overriding config directory location. Default location
is $XDG\_CONFIG\_HOME/asciinema (when $XDG\_CONFIG\_HOME is set)
or $HOME/.config/asciinema.
BUGS
====
See GitHub Issues: <https://github.com/asciinema/asciinema/issues>
AUTHORS
=======
asciinema's lead developer is Marcin Kulik.
For a list of all contributors look here: <https://github.com/asciinema/asciinema/contributors>
This Manual Page was written by Marcin Kulik with help from Kurt Pfeifle.