How to transform:

```bash
cat >> ~/test.txt << EOF
a
b
c
EOF
```

to a single line Bash command?
Jul 7, 9:39pm

To transform your multi-line cat heredoc into a single-line Bash command, you can use echo with a newline delimiter or printf. Here are two concise options:

Option 1: Using echo and a newline

bash
echo -e "a\nb\nc" >> ~/test.txt

Option 2: Using printf

bash
printf "a\nb\nc\n" >> ~/test.txt

Both commands append the lines a, b, and c to ~/test.txt in a single line. The -e flag in echo enables interpretation of backslash escapes, and printf automatically interprets \n as a newline.

Jul 7, 9:39pm

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