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Piped block input to C Shell script

Posted on 1997-07-11
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Last Modified: 2013-12-26
How can output, piped to a C Shell script be handled by the script as block input?
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Question by:keyboards
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Accepted Solution

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ahoffmann earned 100 total points
ID: 1293973
Blocking is not done by the C-shell, but by the underlaying operating system.
The only way (I know) to force a C-shell to do a enless read loop
from stdin is

while(1)
      set i = `echo $<`
      # do your actions with  $i
      if ("$i" == "EndOfBlock") break
end

The program writing the output piped into this C-shell must send
a "EndOfBlock" string (any string allowed, must just be uniq to
the rest of the input data).
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