hush/applets/usage_compressed
Bernhard Reutner-Fischer b35e3a8612 applets/usage_compressed: combine many seds in one; hide dd stats
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-27 17:06:32 +01:00

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Executable File

#!/bin/sh
target="$1"
loc="$2"
test "$target" || exit 1
test "$loc" || loc=.
test -x "$loc/usage" || exit 1
test "$SED" || SED=sed
test "$DD" || DD=dd
sz=`"$loc/usage" | wc -c` || exit 1
exec >"$target"
echo 'static const char packed_usage[] ALIGN1 = {'
## Breaks on big-endian systems!
## # Extra effort to avoid using "od -t x1": -t is not available
## # in non-CONFIG_DESKTOPed busybox od
##
## "$loc/usage" | bzip2 -1 | od -v -x \
## | $SED -e 's/^[^ ]*//' \
## -e 's/ //g' \
## -e '/^$/d' \
## -e 's/\(..\)\(..\)/0x\2,0x\1,/g'
"$loc/usage" | bzip2 -1 | $DD bs=2 skip=1 2>/dev/null | od -v -t x1 \
| $SED -e 's/^[^ ]*//' \
-e 's/ //g' \
-e '/^$/d' \
-e 's/\(..\)/0x\1,/g'
echo '};'
echo '#define SIZEOF_usage_messages' `expr 0 + $sz`