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doc: move get_file download_file to own section

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Kay Marquardt (Gnadelwartz) 2021-02-06 17:19:07 +01:00
parent b91e96dce1
commit 5294d00ae3
1 changed files with 80 additions and 70 deletions
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doc/6_reference.md
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@ -534,6 +534,85 @@ edit_html_message "${CHAT[ID]}" "${saved-id}" "this is <b>html</b> text"
*usage:* edit_message_caption "CHAT[ID]" "MESSAGE-ID" "caption"
----
### Get files from Telegram
##### download_file
`download_file` download a file to DATADIR and returns the PATH to the file, main use is to download files send to chats.
I tried to be as compatible as possible with old function `download`.
*usage:* download_file path_to_ile prosed_filename
*alias*: download
*Note:* You must use `download_file` to download `URLS[...]` or `SERVICE[NEWPHOTO]` URLs from Telegram server.
*example:*
```bash
########
# download from Telegram server
# photo received in a chat
photo="${URLS[PHOTO]}")"
echo "$photo" -> photo/file_1234.jpg
# first download
file="$(download_file "${photo}"
echo "$file" -> ./data-bot-bash/photo-file_1234.jpg
# second download
file="$(download_file "${photo}"
echo "$file" -> ./data-bot-bash/jkdfhi-photo-file_1234.jpg
ls data-bot-bash/*.jpg
photo-file_1234.jpg jkdfhi-photo-file_1234.jpg
########
# download from other sources (full URL)
file="$(download "https://avatars.githubusercontent.com/u/13046303")"
echo "$file" -> ./data-bot-bash/download-askjgftGJGdh1Z
file="$(download "https://avatars.githubusercontent.com/u/13046303" "avatar.jpg")"
echo "$file" -> ./data-bot-bash/avatar.jpg
file="$(download "https://avatars.githubusercontent.com/u/13046303" "avatar.jpg")"
echo "$file" -> ./data-bot-bash/jhsdf-avatar.jpg
ls data-bot-bash/
avatar.jpg jhsdf-avatar.jpg download-askjgftGJGdh1Z
#######
# manually download files to current directory (not recommended)
getJson "${FILEURL}/${photo}" >"downloaded_photo.jpg"
getJson "https://avatars.githubusercontent.com/u/13046303" >"avatar.jpg"
ls -F
JSON.sh/ bin/ modules/ data-bot-bash/
avatar.jpg bashbot.sh* botconfig.jssh commands.sh count.jssh downloaded_photo.jpg mycommands.sh ...
```
##### get_file
`get_file` get the `path` to a file on Telegram server by it's `file_id`. File `path` is only valid for use with your bot token.
*usage:* url="$(get_file "file_id")"
*example*:
```bash
# download file by file_id
file_id="kjhdsfhkj-kjshfbsdbfkjhsdkfjn"
path="$(get_file "${file_id}")"
file="$(download_file "${path}")"
# one line
file="$(download_file "$(get_file "${file_id}")")"
```
---
### Manage Group
@ -1397,62 +1476,6 @@ Do not use them in other files e.g. `bashbot.sh`, modules, addons etc.
### Helper functions
##### download_file
`download_file` download a file to DATADIR and returns the PATH to the file, main use is to download files send to chats.
I tried to be as compatible as possible with old function `download`.
*usage:* download_file path_to_ile prosed_filename
*alias*: download
*Note:* You must use `download_file` to download `URLS[...]` or `SERVICE[NEWPHOTO]` URLs from Telegram server.
*example:*
```bash
########
# download from Telegram server
# photo received in a chat
photo="${URLS[PHOTO]}")"
echo "$photo" -> photo/file_1234.jpg
# first download
file="$(download_file "${photo}"
echo "$file" -> ./data-bot-bash/photo-file_1234.jpg
# second download
file="$(download_file "${photo}"
echo "$file" -> ./data-bot-bash/jkdfhi-photo-file_1234.jpg
ls data-bot-bash/*.jpg
photo-file_1234.jpg jkdfhi-photo-file_1234.jpg
########
# download from other sources (full URL)
file="$(download "https://avatars.githubusercontent.com/u/13046303")"
echo "$file" -> ./data-bot-bash/download-askjgftGJGdh1Z
file="$(download "https://avatars.githubusercontent.com/u/13046303" "avatar.jpg")"
echo "$file" -> ./data-bot-bash/avatar.jpg
file="$(download "https://avatars.githubusercontent.com/u/13046303" "avatar.jpg")"
echo "$file" -> ./data-bot-bash/jhsdf-avatar.jpg
ls data-bot-bash/
avatar.jpg jhsdf-avatar.jpg download-askjgftGJGdh1Z
#######
# manually download files to current directory (not recommended)
getJson "${FILEURL}/${photo}" >"downloaded_photo.jpg"
getJson "https://avatars.githubusercontent.com/u/13046303" >"avatar.jpg"
ls -F
JSON.sh/ bin/ modules/ data-bot-bash/
avatar.jpg bashbot.sh* botconfig.jssh commands.sh count.jssh downloaded_photo.jpg mycommands.sh ...
```
##### _exec_if_function
Returns true, even if the given function does not exist. Return false if function exist but returns false.
@ -1496,9 +1519,6 @@ _is_function "background" && _message "you can run background jobs!"
### Bashbot internal functions
These functions are for internal use only and must not used in your bot commands.
##### get_file
*usage:* url="$(get_file "CHAT[ID]" "message")"
##### procname
Returns PrefixBotname_Postfix
@ -1555,16 +1575,6 @@ Outputs decoded string to STDOUT
*usage:* JsonDecode "string"
##### JsonGetString
Reads JSON from STDIN and Outputs found String to STDOUT
*usage:* JsonGetString `"path","to","string"`
##### JsonGetValue
Reads JSON from STDIN and Outputs found Value to STDOUT
*usage:* JsonGetValue `"path","to","value"`
##### Json2Array
Read JSON.sh style data from STDIN and assign to given ARRAY
@ -1617,5 +1627,5 @@ The name of your bot is available as bash variable "$ME", there is no need to ca
#### [Prev Best Practice](5_practice.md)
#### [Next Notes for Developers](7_develop.md)
#### $$VERSION$$ v1.41-dev-7-g5212df4
#### $$VERSION$$ v1.41-dev-8-gb91e96d