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Full Discussion: Empty buffer when is full
Top Forums Shell Programming and Scripting Empty buffer when is full Post 302412838 by Corona688 on Tuesday 13th of April 2010 04:24:27 PM
Old 04-13-2010
What do you mean by buffer?

If by buffer you mean file, you could:

Code:
( telnet 10.99.246.14 6001 | split -a 4 -d -l 5000 - output. )

This will produce output.0000, output.0001, etc. split apart every 5000 lines. You can delete the old files and it will continue making new ones.

---------- Post updated at 02:24 PM ---------- Previous update was at 02:15 PM ----------

Actually, it can be far simpler. 'echo > output.txt' will clear it out.
 

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SPLIT(1)						      General Commands Manual							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [ option ... ] [ file ] DESCRIPTION
Split reads file (standard input by default) and writes it in pieces of 1000 lines per output file. The names of the output files are xaa, xab, and so on to xzz. The options are -n Split into n-line pieces. -e expression File divisions occur at each line that matches a regular expression; see regexp(6). Multiple -e options may appear. If a subex- pression of expression is contained in parentheses (...), the output file name is the portion of the line which matches the subex- pression. -f stem Use stem instead of x in output file names. -s suffix Append suffix to names identified under -e. -x Exclude the matched input line from the output file. -i Ignore case in option -e; force output file names (excluding the suffix) to lower case. SOURCE
/sys/src/cmd/split.c SEE ALSO
sed(1), awk(1) grep(1), regexp(6) SPLIT(1)
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