diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..119a201
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+runflow
diff --git a/README.md b/README.md
index 8f597cd..6af6d9e 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,6 @@
-# rfsh
+# RFSH: Flows running made fast, safe, easy.
+> a.k.a @RUNFLOW_SH
+
+```
+$curl https://github.com/raw/docsion/rfsh/main/i.sh | sh
+```
diff --git a/i.sh b/i.sh
new file mode 100644
index 0000000..dda7d6b
--- /dev/null
+++ b/i.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+set -e
+
+echo "Hey @RUNFLOW_SH here!"
+RELEASES_URL="https://github.com/docsion/rfsh/releases"
+FILE_BASENAME="runflow_sh"
+LATEST="$(curl -sf https://github.com/raw/docsion/rfsh/main/latest)"
+
+test -z "$VERSION" && VERSION="$LATEST"
+
+test -z "$VERSION" && {
+	echo "Unable to get runflow_sh version." >&2
+	exit 1
+}
+
+TMP_DIR="$(mktemp -d)"
+# shellcheck disable=SC2064 # intentionally expands here
+trap "rm -rf \"$TMP_DIR\"" EXIT INT TERM
+OS="$(uname -s)"
+ARCH="$(uname -m)"
+# test "$ARCH" = "aarch64" && ARCH="arm64"
+TAR_FILE="${FILE_BASENAME}_${OS}_${ARCH}.tar.gz"
+
+(
+	cd "$TMP_DIR"
+	echo "Downloading runflow_sh $VERSION..."
+	curl -sfLO "$RELEASES_URL/download/$VERSION/$TAR_FILE"
+)
+
+tar -xf "$TMP_DIR/$TAR_FILE" -C "$TMP_DIR"
+mv "$TMP_DIR/runflow_sh" ./runflow
+echo "Done" $(pwd)/runflow
+
diff --git a/latest b/latest
new file mode 100644
index 0000000..04e1946
--- /dev/null
+++ b/latest
@@ -0,0 +1 @@
+v0.1.3
diff --git a/rf.sh b/rf.sh
new file mode 100644
index 0000000..52f35a4
--- /dev/null
+++ b/rf.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+set -e
+
+echo "Hey @RUNFLOW_SH here!"
+RELEASES_URL="https://github.com/docsion/rfsh/releases"
+FILE_BASENAME="runflow_sh"
+LATEST="$(curl -sf https://github.com/raw/docsion/rfsh/main/latest)"
+
+test -z "$VERSION" && VERSION="$LATEST"
+
+test -z "$VERSION" && {
+	echo "Unable to get runflow_sh version." >&2
+	exit 1
+}
+
+TMP_DIR="$(mktemp -d)"
+# shellcheck disable=SC2064 # intentionally expands here
+trap "rm -rf \"$TMP_DIR\"" EXIT INT TERM
+OS="$(uname -s)"
+ARCH="$(uname -m)"
+# test "$ARCH" = "aarch64" && ARCH="arm64"
+TAR_FILE="${FILE_BASENAME}_${OS}_${ARCH}.tar.gz"
+
+(
+	cd "$TMP_DIR"
+	echo "Downloading runflow_sh $VERSION..."
+	curl -sfLO "$RELEASES_URL/download/$VERSION/$TAR_FILE"
+)
+
+tar -xf "$TMP_DIR/$TAR_FILE" -C "$TMP_DIR"
+"$TMP_DIR/runflow_sh" "$@"
diff --git a/sample/sample.csv b/sample/sample.csv
new file mode 100644
index 0000000..f5896e9
--- /dev/null
+++ b/sample/sample.csv
@@ -0,0 +1,15 @@
+id,content
+1,the normal
+2,"with , comma"
+3,"with 
+end
+line "
+4,"with , comma
+end
+line"
+5,the utf8 nội dung
+59058,the real content id
+59058,"real content with , comma
+end
+line"
+8,"[""cơm tấm 30k"",""cơm tấm tân phú""]"
diff --git a/sample/sample.out.csv b/sample/sample.out.csv
new file mode 100644
index 0000000..fd1cd24
--- /dev/null
+++ b/sample/sample.out.csv
@@ -0,0 +1,29 @@
+id,content,RFSH_status,RFSH_good,RFSH_bad
+1,the normal,good,"hello bash runner 1 the normal
+",
+3,"with 
+end
+line ",good,"hello bash runner 3 with 
+end
+line 
+",
+4,"with , comma
+end
+line",good,"hello bash runner 4 with , comma
+end
+line
+",
+2,"with , comma",good,"hello bash runner 2 with , comma
+",
+5,the utf8 nội dung,good,"hello bash runner 5 the utf8 nội dung
+",
+59058,the real content id,good,"hello bash runner 59058 the real content id
+",
+59058,"real content with , comma
+end
+line",good,"hello bash runner 59058 real content with , comma
+end
+line
+",
+8,"[""cơm tấm 30k"",""cơm tấm tân phú""]",good,"hello bash runner 8 [cơm tấm 30k,cơm tấm tân phú]
+",
diff --git a/sample/sample.template b/sample/sample.template
new file mode 100644
index 0000000..5aa8f36
--- /dev/null
+++ b/sample/sample.template
@@ -0,0 +1 @@
+echo "hello bash runner {{id}} {{content}}"