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various job and process control fixes
This commit is contained in:
Peter Stephenson 2010-08-22 20:08:57 +00:00
parent 059c8dede6
commit c7ff1b79dd
5 changed files with 201 additions and 110 deletions
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5
Doc/Zsh/expn.yo
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@ -390,7 +390,8 @@ Process substitutions may be used following redirection operators; in this
case, the substitution must appear with no trailing string.
In the case of the tt(<) or tt(>) forms, the shell runs the commands in
var(list) asynchronously. If the system supports the tt(/dev/fd)
var(list) as a subprocess of the job executing the shell command line.
If the system supports the tt(/dev/fd)
mechanism, the command argument is the name of the device file
corresponding to a file descriptor; otherwise, if the system supports named
pipes (FIFOs), the command argument will be a named pipe. If the form with
@ -456,7 +457,7 @@ version of the example above:
example(tt(paste <LPAR()cut -f1) var(file1)tt(RPAR() <LPAR()cut -f3) var(file2)tt(RPAR()) tt(> >LPAR())var(process)tt(RPAR()))
(note that no tt(MULTIOS) are involved), var(process) will be run
asynchronously. The workaround is:
asynchronously as far as the parent shell is concerned. The workaround is:
example(tt({ paste <LPAR()cut -f1) var(file1)tt(RPAR() <LPAR()cut -f3) var(file2)tt(RPAR() }) tt(> >LPAR())var(process)tt(RPAR()))