eshtrans/split.sh: New experimental file

1 files changed, 48 insertions, 0 deletions

diff --git a/eshtrans/split.sh b/eshtrans/split.sh
new file mode 100644
index 0000000..bfc51cd
--- /dev/null
+++ b/eshtrans/split.sh
@@ -0,0 +1,48 @@
+set -u
+
+buf="Hello, 'world'!"
+
+old()
+{
+	eval "$(printf '%s' "${buf}" | awk -v FS='' -v j=0 \
+		-v squote="'" -v esc_squote="'\\\\''" '
+		{
+			for (i = 1; i <= NF; ++i) {
+				sub(squote, esc_squote, $i);
+				printf("lbufv_%d='\''%s'\''\n", j++, $i);
+			};
+			printf("lbufv_%d='\''\n'\''\n", j++);
+		}
+		')"
+}
+
+new()
+{
+	eval "$(printf '%s' "${buf}" | awk -v FS='' -v j=0 \
+		-v squote="'" -v esc_squote="'\\\\''" '
+		{
+			for (i = 1; i <= NF; ++i) {
+				sub(squote, esc_squote, $i);
+				printf("lbufv_%d=" squote "%s" squote "\n",
+					j++, $i);
+			};
+			printf("lbufv_%d=" squote "\n" squote "\n", j++);
+		}
+		')"
+}
+
+print_and_clear()
+{
+	i=0
+	while [ ${i} -le ${#buf} ]; do
+		c=$(eval "printf '%sx' \"\${lbufv_${i}}\"")
+		eval "lbufv_${i}="
+		printf 'i: %2d, c: "%s"\n' ${i} "${c%x}"
+		i=$((${i} + 1))
+	done
+}
+
+old
+print_and_clear
+new
+print_and_clear