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scripts/config: use sed's POSIX interface

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Script `config' relies on extensions of `GNU sed', and is thus not
working on all Unixes:
  - in-place edition of files (-i), which can be replaced with
    a temporary file;
  - extended-regexps (-r), which can be split into basic regexps;
  - single-line calls to `a' command, while some implementations
    require a leading newline before the parameter.

Rewrite calls to `sed' to comply with POSIX interface, and move them
to helper functions.

Signed-off-by: Clement Chauplannaz <chauplac@gmail.com>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Clement Chauplannaz 2013-07-13 16:36:56 +02:00 • committed by Yann E. MORIN
commit 83e8b90e1d
1 changed files with 41 additions and 3 deletions
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