tiny patch to prevent head from closing pipes

Anonymous swell.k at gmail.com
Sat Aug 28 14:58:23 UTC 2010

Anonymous <swell.k at gmail.com> writes:

> Alexander Best <arundel at freebsd.org> writes:
>> hi there,
>> i just had subversion complain about a broken pipe while piping its output
>> through awk straight to head [1]. i decided to add a switch to head which will
>> tell it to never close a pipe unless the input has stopped [2].
> You can do same with sh(1), e.g.
>   $ svn log | (IFS=; while read li; do [ $((i+=1)) -le 10 ] && echo "$li"; done)

Hmm, draining pipe with cat(1) would be more efficient

  $ svn log | (IFS=; while read li && [ $((i+=1)) -le 10 ]; do echo "$li"; done; cat >/dev/null)

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