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execute_process: Improve stdout/stderr merging

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Use the KWSys Process "MergeOutput" option to give the child process
the same pipe (or file) for both stdout and stderr.  This allows
natural merging of stdout and stderr together instead of merging
on arbitrary buffered read boundaries as before.
This commit is contained in:
Brad King
2015-05-07 14:40:38 -04:00
parent 31c218e6e1
commit f65bb82f36
11 changed files with 82 additions and 6 deletions
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Help/command/execute_process.rst
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@@ -57,7 +57,8 @@ OUTPUT_VARIABLE, ERROR_VARIABLE
INPUT_FILE, OUTPUT_FILE, ERROR_FILE
The file named will be attached to the standard input of the first
process, standard output of the last process, or standard error of
all processes, respectively.
all processes, respectively. If the same file is named for both
output and error then it will be used for both.
OUTPUT_QUIET, ERROR_QUIET
The standard output or standard error results will be quietly ignored.