Improve gen script runner

2 files changed, 15 insertions, 9 deletions

diff --git a/gen/prop/bool-props b/gen/prop/bool-props
index 198b0b8..a79f858 100755
--- a/gen/prop/bool-props
+++ b/gen/prop/bool-props
@@ -79,15 +79,21 @@ ri=Regional_Indicator
 gen()
 {
 	local p=${1%%=*}
-	gen/prop/bool-props.py ${1#*=} $p data/$2 \
-		>lib/unicode/prop/uprop_is_$p.c
+	printf 'sh -c "gen/prop/bool-props.py %s %s %s >%s"\n' \
+		${1#*=} $p data/$2 lib/unicode/prop/uprop_is_$p.c
 }
 
-for prop in $props1; do gen $prop PropList & done
-for prop in $props2; do gen $prop DerivedCoreProperties & done
-for prop in $props3; do gen $prop emoji-data & done
-for prop in $props4; do gen $prop DerivedNormalizationProps & done
-for prop in $props5; do gen $prop DerivedBinaryProperties & done
+(
+	IFS='
+'
+	parallel-moreutils -- $(
+		for prop in $props1; do gen $prop PropList & done
+		for prop in $props2; do gen $prop DerivedCoreProperties & done
+		for prop in $props3; do gen $prop emoji-data & done
+		for prop in $props4; do gen $prop DerivedNormalizationProps & done
+		for prop in $props5; do gen $prop DerivedBinaryProperties & done
+	)
+)
 
 printf '[[_mlib_pure]] bool uprop_is_%s(rune);\n' \
 	$(printf '%s\n' $props1 $props2 $props3 $props4 $props5 | cut -d= -f1) \
diff --git a/gen/prop/lib.py b/gen/prop/lib.py
index cc0b00a..5f4f061 100644
--- a/gen/prop/lib.py
+++ b/gen/prop/lib.py
@@ -60,8 +60,8 @@ def report_size(before: int, after: int) -> None:
 			s = s[:-2]
 		return s + ' KiB'
 
-	prefix = sys.argv[0].split('/')[-1]
+	prefix = sys.argv[0].split('/')[-1].ljust(len('id_compat_math_continue') + 2)
 	change = round((after - before) / before * 100, 1)
 	before = btokib(before)
 	after  = btokib(after)
-	print(f'%s\t%s%%\t%s → %s' % (prefix, change, before, after), file=sys.stderr)
+	print(f'%s%s%%, %s → %s' % (prefix, change, before, after), file=sys.stderr)