I am new to unix and writing script to extract data in delimited file format.
want to use ^A as delimiter , can you please suggest how to type/insert it
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回答1:
Type Ctrl + V, then Ctrl + A.
According to your system configuration, you may need to type other key sequence. Check the output of stty -a, especially lnext:
$ stty -a | grep lnext lnext = ^V; flush = ^O; min = 1; time = 0; ^^^^^^^^^^回答2:
In vi, you can generally type CTRL-V in insert mode, followed by another control character.
That's also true in the bash shell if you're in vi editing mode (entered with CTRL-K).
In emacs editing mode (usually entered by using the up arrow key), you would use CTRL-Q as a prefix command, before entering the character you want.
For example, here's my shell session showing the use of CTRL-VCTRL-A (which shows up as ^A):
pax> echo -n "^A" | od -b 0000000 001 0000001You can see that the octal dump of the single character is indeed CTRL-A, or 001.
回答3:
I think the answer is '\001', but I'm not a very experienced shell scripter.
Here is a link that helped:
回答4:
You can type :h digraph-table to see the digraph-table text that describes the character. Then you can input Ctrl + K and the digraph line consponsed to your character.