On Thu, Jan 9, 2014 at 8:14 PM, Matthias Andree <[email protected]> wrote:
> The attached patch (for git am) achieves all that and enables the
> current busybox Git master to build on FreeBSD without further ado.
-sed -n -e 's@^//usage:\([ \t].*\)$@\1 \\@p' -e 's@^//usage:\([^
\t].*\)$@\n\1 \\@p' \
+TAB="$(printf '\tX')" ; TAB="${TAB%X}"
+sed -n -e 's@^//usage:\([ '"$TAB"'].*\)$@\1 \\@p' -e 's@^//usage:\([^
'"$TAB"']..*\)$@\
+\1 \\@p' \ ///vda
Why .* turned into ..* ?
Figuring out that second sed -e CMD has an embedded newline
took some time.
I'm going with this:
TAB="$(printf '\tX')"
TAB="${TAB%X}"
LF="$(printf '\nX')"
LF="${LF%X}"
sed -n -e 's@^//usage:\([ '"$TAB"'].*\)$@\1 \\@p' \
-e 's@^//usage:\([^ '"$TAB"'].*\)$@\'"$LF"'\1 \\@p' \
"$srctree"/*/*.c "$srctree"/*/*/*.c \
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