How to remove ^[, and all of the escape sequences in a file using linux shell scripting

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Are you looking for ansifilter?

Two things you can do: enter the literal escape (in bash:)

Using keyboard entry:

sed 's/Ctrl-vEsc//g'

alternatively

sed 's/Ctrl-vCtrl-[//g'

Or you can use character escapes:

sed 's/\x1b//g'

or for all control characters:

sed 's/[\x01-\x1F\x7F]//g' # NOTE: zaps TAB character too!

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