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sed: -e expression #1, char 113: unknown command: `['

yz7Ql4rxq7gY78evJ4Ao

6/25/23, 5:10 PM

I was wondering why isn't this code working, it is simple but for some reason it's not working.

WIREGUARD_TEMP_NEW_CLIENT_INFO="# ef37a62148810e97daa4deb88fa7f8add6532c39d2feb56d712a0ab1e8f5fd13ec52cfb1751ad3812e21f33a1e0508f14b7d start
[Peer]
PublicKey = L5SCXFRI4Mhyo1nKTjs5d64CSGd36ehC8MD8jg2FbEM=
PresharedKey = 3sejb0srnD3ZHy4I3rydIqy6CPXEHwXWeoX2Yu/2msU=
AllowedIPs = 10.0.0.4/32,fd00:00:00::4/128
# ef37a62148810e97daa4deb88fa7f8add6532c39d2feb56d712a0ab1e8f5fd13ec52cfb1751ad3812e21f33a1e0508f14b7d end"

sed -i "$((6 * 4 - 6 + 11))i${WIREGUARD_TEMP_NEW_CLIENT_INFO}" /etc/wireguard/wg0.conf

The error I am getting is

sed: -e expression #1, char 113: unknown command: `['

What is the code doing?

It's just going to a given line number and adding the content to the given live number.

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linux

ubuntu

parsing

sed

Davidw

6/25/23, 5:36 PM

That's the kind of response that suggests something is missing in the command line.

yz7Ql4rxq7gY78evJ4Ao

6/25/23, 5:37 PM

Like, what could it be?

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Tilman Schmidt

6/25/23, 6:07 PM

Your second argument to sed, "$((6 * 4 - 6 + 11))i${WIREGUARD_TEMP_NEW_CLIENT_INFO}" expands to the multiline string:

29i# ef37a62148810e97daa4deb88fa7f8add6532c39d2feb56d712a0ab1e8f5fd13ec52cfb1751ad3812e21f33a1e0508f14b7d start
[Peer]
PublicKey = L5SCXFRI4Mhyo1nKTjs5d64CSGd36ehC8MD8jg2FbEM=
PresharedKey = 3sejb0srnD3ZHy4I3rydIqy6CPXEHwXWeoX2Yu/2msU=
AllowedIPs = 10.0.0.4/32,fd00:00:00::4/128
# ef37a62148810e97daa4deb88fa7f8add6532c39d2feb56d712a0ab1e8f5fd13ec52cfb1751ad3812e21f33a1e0508f14b7d end

The sed command i inserts the string following it on the same line. The next line is interpreted as a new command by sed. Since [Peer] isn't a valid sed command, it emits the error message you are seeing.

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yz7Ql4rxq7gY78evJ4Ao

6/25/23, 6:21 PM

So how would i write the data than?

yz7Ql4rxq7gY78evJ4Ao

6/25/23, 7:02 PM

```sed -i "1i\apple\nbees" file```

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COqHu1c51vSqZzGCmWbP

6/25/23, 10:50 PM

This is the code that someone needs to use if they run into the same issue.

#!/bin/bash

TEMP_VALUE="# ef37a62148810e97daa4deb88fa7f8add6532c39d2feb56d712a0ab1e8f5fd13ec52cfb1751ad3812e21f33a1e0508f14b7d start\n[Peer]\nPublicKey = L5SCXFRI4Mhyo1nKTjs5d64CSGd36ehC8MD8jg2FbEM=\nPresharedKey = 3sejb0srnD3ZHy4I3rydIqy6CPXEHwXWeoX2Yu/2msU=\nAllowedIPs = 10.0.0.4/32,fd00:00:00::4/128\n# ef37a62148810e97daa4deb88fa7f8add6532c39d2feb56d712a0ab1e8f5fd13ec52cfb1751ad3812e21f33a1e0508f14b7d end"
sed -i $((1 + 1))i"${TEMP_VALUE}" file

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Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: sed: -e expression #1, char 113: unknown command: `['

TH: sed: -e expression #1, char 113: คำสั่งที่ไม่รู้จัก: `['

RO: sed: -e expresie #1, char 113: comandă necunoscută: `['

RU: sed: -e выражение #1, символ 113: неизвестная команда: `['

VI: sed: -e biểu thức #1, char 113: lệnh không xác định: `['

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