Ticket #39360

Extra space received if text line wraps

Open Date: 2019-06-29 21:06 Last Update: 2019-08-22 03:08

Open [Owner assigned]
5 - Medium
5 - Medium
Won't Fix
Score: 0
No votes
0.0% (0/0)
0.0% (0/0)


I have connected to a linux box and I want to run a recursive MD5SUM from a directory that I navigate to.

So I send the following commands:

cd /media/USB_HDD_4/ReadyNAS-A/data/Documents
find . -type f -exec md5sum '{}' \;

Before sending the #10 to finish the line, I wait for the entire sent cmd to be echoed back:

send cmdline
wait cmdline
send #10

However, the matching of the 3rd line being received failed and I eventually got a connection timeout. I was logging the session and I found that what was perceived as received contained an extra space between the word "exec" and the word "md5sum". I sent 1 space but 2 were recorded in the log:

Tx: find#.#-type#f#-exec#md5sum#'{}'#\;

Rx: find#.#-type#f#-exec##md5sum#'{}'#\;

(I have used "#" to represent spaces due to the way that this portal seems to adjust the formatting of my post - at least in preview mode)

What I then noticed was that my terminal window was 80x24 and the "c" of "exec" was the last character of a line. This caused a wrap on the screen and the next line that appeared normally in teraterm, beginning " md5", was recorded in the log file with an extra space.

To prove the point, I resized the terminal window to be 120x24. When I re-ran the script the stuff I was waiting for no longer wraped to the next line and my wait matched perfectly and the script ran.

I can continue for now... until the time when whatever I am doing happens to wrap this workaround screen width.

Kind regards,


Ticket History (2/2 Histories)

2019-06-29 21:06 Updated by: None
  • New Ticket "Extra space received if text line wraps" created
2019-08-22 03:08 Updated by: doda
  • Details Updated
  • Component Update from (None) to Tera Term
  • Resolution Update from None to Won't Fix
  • Owner Update from (None) to doda

Extra space is sent by the shell.

It is correct behavior that Tera Term passes the space to macro.

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