telegram-bot-bash/doc/0_install.md

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#### [Home](../README.md)
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## Check bash installation
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There may systems where bash seems to be installed but it is not, e.g. embedded systems, or where bash is to old.
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Run the following commands to see if your bash looks ok ...
```bash
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# system say bash is there?
if which bash; then echo "bash seems available..."; else echo "NO bash"; fi
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# real bash supports ARRAY
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bash -c 'if eval "a[1]=1"; then echo "Shell support arrays..."; else echo "Shell has NO arrays"; fi'
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# check for bash version by feature
bash -c 'if [ "$(echo -e "\u1111")" != "\u1111" ]; then echo "Bash version ok ..."; else echo "LBash Version may be to old ..."; fi'
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```
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## Install bashbot
1. Go to the directory you want to install bashbot, e.g.
* your $HOME directory (install and run with your user-ID)
* /usr/local if you want to run as service
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2. [Download latest release zip / tar archive from github](https://github.com/topkecleon/telegram-bot-bash/releases) and extract all files.
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3. Change into the directory ```telegram-bot-bash```
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4. Activate the bot example commands ```cp mycommands.sh.dist mycommands.sh```
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5. Run ```./bashbot.sh init``` to setup the environment and enter your Bots token given by botfather.
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Edit ```mycommands.sh``` to your needs.
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Now your Bot is ready to start ...
**If you are new to Bot development read [Bots: An introduction for developers](https://core.telegram.org/bots)**
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### Update bashbot
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**Note: all files including ```mycommands.sh``` may overwritten, make a backup!**
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1. Go to the directory where you had installed bashbot, e.g.
* your $HOME directory
* /usr/local
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2. [Download latest release zip / tar archive from github](https://github.com/topkecleon/telegram-bot-bash/releases)
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3. Stop all running instances of bashbot
4. Extract all files to your existing bashbot dir
5. Run ```sudo ./bashbot.sh init``` to setup your environment after the update
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If you modified ```commands.sh``` move your changes to ```mycommands.sh```, this avoids overwriting your commands on update.
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Now you can restart your bashbot instances.
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### Get zip / tar archive on command line
```bash
wget -q https://github.com/$(wget -q https://github.com/topkecleon/telegram-bot-bash/releases/latest -O - | egrep '/.*/.*/.*tar.gz' -o)
```
### Install from github
The first install can also be done from github, updates should always done from the zip or tar archive to avoid
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overwriting your config and ```mycommands.sh``` files.
1. Go to the directory you want to install bashbot, e.g.
* your $HOME directory (install and run with your user-ID)
* /usr/local if you want to run as service
2. Run ```git clone https://github.com/topkecleon/telegram-bot-bash.git```
3. Change into the directory ```telegram-bot-bash```
4. Run ``` dev/all-tests.sh``` and if everything finish OK ...
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5. Run ``` rm addons/*``` to deactivate the example add on's
5. Run ```sudo ./bashbot.sh init``` to setup the environment and enter your Bots token given by botfather.
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### Get the latest development updates from github
To update an existing installation to the latest development version from github you must create the update archives yourself.
1. Run ```git clone https://github.com/topkecleon/telegram-bot-bash.git```
2. Change into the directory ```telegram-bot-bash```
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3. Run ``` git checkout develop```
4. Run ``` dev/make-distribution.sh```
5. If no errors occur you will find archive files in DISTRIBUTION
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### Note for BSD and MacOS
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**On MacOS** you must install a more recent version of bash, as the default bash is way to old,
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see e.g. [Install Bash on Mac](http://macappstore.org/bash/)
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**On BSD and MacOS** I recommend to install gnu coreutils and include them in your PATH
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environment variable before running bashbot, e.g. the gnu versions of sed, grep, find ...
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On BSD and MacOS you must adjust the shebang line of the scripts ```bashbot.sh``` and ```json.sh``` to point to to the correct bash
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or use the script: ```examples/bash2env *.sh */*.sh``` to convert them for you.
Bashbot will stay with /bin/bash shebang, as using a fixed path is more secure than the portable /usr/bin/env variant, see
[Security Considerations](../README.md#Security-Considerations)
I considered to make bashbot BSD sed compatible, but much of the bashbot "magic" relies on
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(gnu) sed features, e.g. alternation ```|```, non printables ```\n\t\<``` or repeat ```?+``` pattern, not supported by BSD sed.
BSD/MacOS sed compatibility will result in a rewrite of all grep/sed commands with an uncertain outcome,
see [BSD/MacOS vs. GNU sed](https://riptutorial.com/sed/topic/9436/bsd-macos-sed-vs--gnu-sed-vs--the-posix-sed-specification)
to get an impression how different they are.
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If you can convert the following examples to work correct with gnu and BSD sed, contact me.
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```bash
# easy start
sed -n -e '0,/\['"$1"'\]/ s/\['"$1"'\][ \t]\([0-9.,]*\).*/\1/p'
OUT="$(sed -e ':a;N;$!ba;s/\r\n/ mynewlinestartshere /g' <<<"$1"| iconv -f utf-8 -t utf-8 -c)"
# more complex
address="$(sed <<< "${2}" '/myaddressstartshere /!d;s/.*myaddressstartshere //;s/ *my[nkfltab][a-z]\{2,13\}startshere.*//;s/ *mykeyboardendshere.*//')"
# for experts?
source <( printf "$1"'=( %s )' "$(sed -E -n -e ':x /"text"\]/ { N; s/([^"])\n/\1\\n/g ; tx }' -e '/\["[-0-9a-zA-Z_,."]+"\]\+*\t/ s/\t/=/gp' -e 's/=(true|false)/="\1"/')" )
```
### Notes per Version
#### Change in storing config values
Up to version 0.94 bashbot stores config values as values in ```token```, ```botadmin``` and ```count```. Since version 0.96 bashbot
uses jsonDB key/value store. Config is stored in ```botconfig.jssh```, counting of users is done in ```count.jssh```.
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The acl file ```botacl``` stay as is. On first run of bashbot.sh after an update bashbot converts
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the files to the new config format. Afterwards the files ```token```, ```botadmin``` and ```count``` can be deleted.
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You may notice the new file ```blocked.jssh```, every telegram user or chat id stored here will be blocked from
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using your bot.
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#### removal of TMUX
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From version 0.80 on TMUX is no longer needed and the bashbot command 'attach' is deleted. Old function 'inproc'
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is replaced by 'send_interactive'. send_interactive does checks if an interactive job is running internally.
Pls check if you make use of inproc and remove it including the old checks, e.g.
```bash
if tmux ls | grep -v send | grep -q "$copname"; then inproc; fi
# or
[ checkprog ] && inproc
```
must be replaced by ```send_interactive "${CHATD[ID]}" "${MESSAGE}"```
### Do not edit commands.sh
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From version 0.60 on your commands must be placed in ```mycommands.sh```. If you update from a version with your commands
in 'commands.sh' move all your commands and functions to ```mycommands.sh```.
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From version 0.80 on 'commands.sh' will be overwritten on update!
#### Location of var / tmp / data dirs
From version 0.70 on the tmp dir is renamed to 'data-bot-bash' to reflect the fact that not only temporary files are stored. an existing 'tmp-bot-bash' will be automatically renamed after update.
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From version 0.50 on the temporary files are no more placed in '/tmp'. instead a dedicated tmp dir is used.
#### Changes to send_keyboard in v0.6
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From Version 0.60 on keyboard format for ```send_keyboard``` and ```send_message "mykeyboardstartshere ..."``` was changed.
Keyboards are now defined in JSON Array notation e.g. "[ \\"yes\\" , \\"no\\" ]".
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This has the advantage that you can create any type of keyboard supported by Telegram.
The old format is supported for backward compatibility, but may fail for corner cases.
*Example Keyboards*:
- yes no in two rows:
- OLD format: 'yes' 'no' *(two strings)*
- NEW format: '[ "yes" ] , [ "no" ]' *(two arrays with a string)*
- new layouts made easy with NEW format:
- Yes No in one row: '[ "yes" , "no" ]'
- Yes No plus Maybe in 2.row: '[ "yes" , "no" ] , [ "maybe" ]'
- numpad style keyboard: '[ "1" , "2" , "3" ] , [ "4" , "5" , "6" ] , [ "7" , "8" , "9" ] , [ "0" ]'
#### [Next Create Bot](1_firstbot.md)
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#### $$VERSION$$ v1.1-0-ge835bbc
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