shithub: rgbds

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Use POSIX-compatible dd(1) instead of head -c.

--- a/test/asm/test.sh

+++ b/test/asm/test.sh

@@ -18,7 +18,7 @@

 		bin=${i%.asm}.out.bin

 		if [ -f $bin ]; then

 			../../rgblink -o $gb $o > $after 2>&1

-			head -c $(wc -c < $bin) $gb > $after 2>&1

+			dd if=$gb count=1 bs=$(printf %s $(wc -c < $bin)) > $after 2>/dev/null

 			hexdump -C $after > $before && mv $before $after

 			hexdump -C $bin > $before

 			diff -u $before $after

--- a/test/link/test.sh

+++ b/test/link/test.sh

@@ -12,7 +12,7 @@

 $RGBLINK -o $gbtemp $otemp > $outtemp 2>&1

 diff bank-numbers.out $outtemp

 rc=$(($? || $rc))

-head -c 20 $gbtemp > $otemp 2>&1

+dd if=$gbtemp count=1 bs=20 > $otemp 2>/dev/null

 diff bank-numbers.out.bin $otemp

 rc=$(($? || $rc))

--- a/test/link/update-refs.sh

+++ b/test/link/update-refs.sh

@@ -7,7 +7,7 @@

 $RGBASM -o $otemp bank-numbers.asm

 $RGBLINK -o $gbtemp $otemp > bank-numbers.out 2>&1

-head -c 20 $gbtemp > bank-numbers.out.bin 2>&1

+dd if=$gbtemp count=1 bs=20 > bank-numbers.out.bin 2>/dev/null

 $RGBASM -o $otemp section-attributes.asm

 $RGBLINK -l section-attributes.link \