UCH

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====== Bash Snippets ======

===== Download files from Google Drive with Wget =====

> I last used it in __2022__. If Google hasn't changed it since then, it should work.

<code bash>
wget --load-cookies /tmp/cookies.txt "https://docs.google.com/uc?export=download&confirm=$(wget --quiet --save-cookies /tmp/cookies.txt --keep-session-cookies --no-check-certificate 'https://docs.google.com/uc?export=download&id=FILEID' -O- | sed -rn 's/.*confirm=([0-9A-Za-z_]+).*/\1\n/p')&id=FILEID" -O FILENAME && rm -rf /tmp/cookies.txt
</code>

In the code above, fix the two ''FILEID'' parts and enter the name you want to save in the ''FILENAME'' part with the extension.

===== Horizontal line drawing across the entire screen =====

<code bash>
printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
</code>

===== Learn the size of a file =====

<code bash>
#!/bin/bash
FILENAME=/home/heiko/dummy/packages.txt
FILESIZE=$(wc -c < "$FILENAME")
# non standard way (GNU stat): FILESIZE=$(stat -c%s "$FILENAME")

echo "Size of $FILENAME = $FILESIZE bytes."
</code>

<wrap onlyprint>Taken from [[en:cs:bash:snippet|UCH Wiki]].</wrap>
<wrap hide>
===== NOTLAR =====
</wrap>