About file appending in ECS Exec

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I am trying to append No.1 to a file in a container with ECS Exec command, but it is not appended.

aws ecs excute-command --cluster xxxx --task xxxxxxxxxxxxxx --container app --interactive --command "sed -i '$aADD' /tmp/xxx"

asked a year ago513 views
3 Answers
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First, the $a syntax you're using in your sed command is used to append text after a specific line number, rather than at the end of the file. To append text at the end of the file, you should use the $ symbol alone.

Second, it's possible that the sed command is not working because of a permission issue or a problem with the file location or content.

maybe you can use

aws ecs execute-command --cluster <cluster-name> --task <task-id> --container <container-name> --interactive --command "echo 'ADD No.1' >> /tmp/<filename>"
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answered a year ago
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I tried the following command, but cannot append into file.

aws ecs excute-command --cluster xxxx --task xxxxxxxxxxxxxx --container app --interactive --command "echo 'No.1 add' >> /tmp/xxx"

answered a year ago
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I append character into file by using ecs exec.

aws ecs excute-command --cluster xxxx --task xxxxxxxxxxxxxx --container app --interactive --command "/bin/sh -c 'echo dummy char >> /tmp/xxx'"

answered a year ago

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