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Diffstat (limited to 'doc')
-rw-r--r-- | doc/coreutils.texi | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index c729b2265..aa25fcd08 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -11085,9 +11085,12 @@ but also to a pipe running @command{sha1sum} and saving the final checksum in a file named @file{dvd.sha1}. Note, however, that this example relies on a feature of modern shells -called process substitution (the @samp{>(command)} syntax, above), -so it works with e.g., @command{zsh}, @command{bash}, or @command{ksh}, -but not with a minimal @command{/bin/sh}. So if you use this technique +called @dfn{process substitution} +(the @samp{>(command)} syntax, above; +@xref{Process Substitution,,Process Substitution, bashref, +The Bash Reference Manual}.), +so it works with @command{zsh}, @command{bash}, and @command{ksh}, +but not with @command{/bin/sh}. So if you write code like this in a shell script, be sure to start the script with @samp{#!/bin/bash}. You can extend this example to make @command{tee} write to two processes, |