Re: make Command Builder not print command

Thanks! I may be using some functionactions as well, so bills solution will
work for those also. But the build string prefixes are pretty nifty.

On Tue, Mar 5, 2019, 10:38 PM Jason Kenny <[email protected]> wrote:

> I think there is a easier answer… it is hidden in the documents.
>
>
>
> If the first argument is a string, a command-line Action is returned. Note
> that the command-line string may be preceded by an *@* (at-sign) to
> suppress printing of the specified command line, or by a * -* (hyphen) to
> ignore the exit status from the specified command:
>
> Action('$CC -c -o $TARGET $SOURCES')
>
>
>
> # Doesn't print the line being executed.
>
> Action('@build $TARGET $SOURCES')
>
>
>
> # Ignores return value
>
> Action('-build $TARGET $SOURCES')
>
>
>
>
>
> Jason
>
>
>
> *From:* Scons-users <[email protected]> * On Behalf Of *Bill
> Deegan
> *Sent:* Tuesday, March 5, 2019 9:34 PM
> *To:* SCons users mailing list <[email protected]>
> *Subject:* Re: [Scons-users] make Command Builder not print command
>
>
>
> Maybe an override defining PRINT_CMD_LINE_FUNC?
>
>
>
> Like this:
>
>
>
> import sys
>
> def print_cmd_line(s, target, source, env):
>   sys.stdout.write("AHAH\n")
>
> env = Environment()
> env.Command('file.out', 'file.in
> <https://nam05.safelinks.protection.outlook.com/?url=http%3A%2F%2Ffile.in&data=02%7C01%7C%7Cc3c33284464b48eed0cd08d6a1e49ee0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636874400617998292&sdata=JGIglVfxBeJ7fkiUxMP9VKywVeqoCtZLOXUnk8F3uxM%3D&reserved=0>',
> 'cat $SOURCE > $TARGET', PRINT_CMD_LINE_FUNC=print_cmd_line )
>
>
>
>
>
>
>
> On Tue, Mar 5, 2019 at 7:30 PM Daniel Moody <[email protected]> wrote:
>
> How can I make a Command() that doesn't print the command, or print my own
> string instead? I don't want to use silent or -Q because I only want this
> command to be printed.
>
>
>
> For example
>
>
> env = Environment()
> env.Command('file.out', 'file.in
> <https://nam05.safelinks.protection.outlook.com/?url=http%3A%2F%2Ffile.in&data=02%7C01%7C%7Cc3c33284464b48eed0cd08d6a1e49ee0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636874400618018308&sdata=U2r79jv%2BA1LStmzwMnDKmzRR%2B%2FEjfEQHJ3bVI0J2QPA%3D&reserved=0>',
> 'cat $SOURCE > $TARGET')
>
>
>
> results in:
>
>
>
> scons: Reading SConscript files ...
>
> scons: done reading SConscript files.
>
> scons: Building targets ...
>
> cat file.in
> <https://nam05.safelinks.protection.outlook.com/?url=http%3A%2F%2Ffile.in&data=02%7C01%7C%7Cc3c33284464b48eed0cd08d6a1e49ee0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636874400618028319&sdata=ZeqaIZjSmP5DdglcLnlHpri84DAZX9nJvZRghDxJ8UY%3D&reserved=0>
> > file.out
>
> scons: done building targets.
>
>
>
> I just want:
>
>
>
> scons: Reading SConscript files ...
>
> scons: done reading SConscript files.
>
> scons: Building targets ...
>
> scons: done building targets.
>
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