names.sh: improve readability

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 26 insertions, 5 deletions

diff --git a/names.sh b/names.sh
index a4d1eed..75bf885 100755
--- a/names.sh
+++ b/names.sh
@@ -3,14 +3,35 @@
 format="$1"
 shift 1
 
-prefix="$(printf '%s\\|' "$@" | sed 's/..$//')"
+prefix="$(
+	printf '%s\\|' "$@" |
+	sed 's/..$//'
+)"
 
-definitions_with_max="$(sed -n 's/^\s*#\s*define\s\+\(\('"$prefix"'\)_[A-Za-z0-9_]*\)\s\+\(0[xX][0-9A-Fa-f]\+\|[0-9]\+\)\(.*\)$/\3 \1/p')"
+definitions_with_max="$(
+	sed -n 's/^\s*#\s*define\s\+\(\('"$prefix"'\)_[A-Za-z0-9_]*\)\s\+\(0[xX][0-9A-Fa-f]\+\|[0-9]\+\)\(.*\)$/\3 \1/p'
+)"
 
-definitions="$(printf '%s\n' "$definitions_with_max" | sed '/ \('"$prefix"'\)_MAX$/d')"
-max=$(printf '%u\n' $(printf '%s\n' "$definitions_with_max" | sed -n 's/^\(.*\) \('"$prefix"'\)_MAX$/\1/p'))
+definitions="$(
+	printf '%s\n' "$definitions_with_max" |
+	sed '/ \('"$prefix"'\)_MAX$/d'
+)"
 
-nonunique="$(printf '%s\n' "$definitions" | while read num name; do printf '0x%08X\n' $num; done | sort | uniq -d)"
+max=$(
+	printf '%u\n' $(
+		printf '%s\n' "$definitions_with_max" |
+		sed -n 's/^\(.*\) \('"$prefix"'\)_MAX$/\1/p'
+	)
+)
+
+nonunique="$(
+	printf '%s\n' "$definitions" |
+	while read num name; do
+		printf '0x%08X\n' $num
+	done |
+	sort |
+	uniq -d
+)"
 
 printf '%s\n' "$definitions" |
 while read line; do