From e82157e5418706f4a39476e6e37389b7b1c7c883 Mon Sep 17 00:00:00 2001
From: Aleksey Veresov <aleksey@veresov.pro>
Date: Thu, 3 Dec 2020 15:31:40 +0300
Subject: .

---
 default.do |  6 +++---
 vsvs-get   | 25 +++++++++++++++++++++++++
 vsvs-map   | 22 ++++++++++++++++++++++
 vsvs-sum   | 22 ++++++++++++++++++++++
 vsvs.sh    | 25 -------------------------
 5 files changed, 72 insertions(+), 28 deletions(-)
 create mode 100644 vsvs-get
 create mode 100644 vsvs-map
 create mode 100644 vsvs-sum
 delete mode 100755 vsvs.sh

diff --git a/default.do b/default.do
index ee79c29..617cc1c 100755
--- a/default.do
+++ b/default.do
@@ -1,5 +1,5 @@
 #!/bin/sh
-export title="$(vsvs.sh title < $1.vs)"
-export content="$(vsvs.sh content < $1.vs)"
-echo -n "$(vsvs.sh template < articles.vs)" | shelter >$3;
+export title="$(vsvs-get title < $1.vs)"
+export content="$(vsvs-get content < $1.vs)"
+echo -n "$(vsvs-get template < articles.vs)" | shelter >$3;
 redo-ifchange $1.vs articles.vs
diff --git a/vsvs-get b/vsvs-get
new file mode 100644
index 0000000..e7ab391
--- /dev/null
+++ b/vsvs-get
@@ -0,0 +1,25 @@
+#!/bin/bash
+res=""
+met=false
+while IFS="" read str
+do
+    if [ -z "${str##* *}" ]
+    then
+        key="${str%% *}"
+        val="${str#* }"
+    else
+        key="${str}"
+        val=""
+    fi
+    if [ -z "${key}" ] && [ $met == true ]
+    then
+        res="${res}"$'\n'"${val}"
+    elif [ "${key}" == "$1" ]
+    then
+        met=true
+        res="${val}"
+    else
+        met=false
+    fi
+done
+echo -n "${res}"
diff --git a/vsvs-map b/vsvs-map
new file mode 100644
index 0000000..e1cbd49
--- /dev/null
+++ b/vsvs-map
@@ -0,0 +1,22 @@
+#!/bin/bash
+res=""
+buf=""
+while IFS="" read str
+do
+    if [ -z "${str##* *}" ]
+    then
+        key="${str%% *}"
+        val="${str#* }"
+    else
+        key="${str}"
+        val=""
+    fi
+    if [ -z "${key}" ]
+    then
+        buf="${buf}"$'\n'"${val}"
+    else
+        res="${res}$(echo -n "${buf}" | $1)"
+        buf="${val}"
+    fi
+done
+echo -n "${res}"
diff --git a/vsvs-sum b/vsvs-sum
new file mode 100644
index 0000000..f861e0f
--- /dev/null
+++ b/vsvs-sum
@@ -0,0 +1,22 @@
+#!/bin/bash
+res=""
+buf=""
+while IFS="" read str
+do
+    if [ -z "${str##* *}" ]
+    then
+        key="${str%% *}"
+        val="${str#* }"
+    else
+        key="${str}"
+        val=""
+    fi
+    if [ -z "${key}" ]
+    then
+        buf="${buf}"$'\n'"${val}"
+    else
+        res="$(echo -n "${buf}" | $1 "${res}")"
+        buf="${val}"
+    fi
+done
+echo -n "${res}"
diff --git a/vsvs.sh b/vsvs.sh
deleted file mode 100755
index e7ab391..0000000
--- a/vsvs.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/bin/bash
-res=""
-met=false
-while IFS="" read str
-do
-    if [ -z "${str##* *}" ]
-    then
-        key="${str%% *}"
-        val="${str#* }"
-    else
-        key="${str}"
-        val=""
-    fi
-    if [ -z "${key}" ] && [ $met == true ]
-    then
-        res="${res}"$'\n'"${val}"
-    elif [ "${key}" == "$1" ]
-    then
-        met=true
-        res="${val}"
-    else
-        met=false
-    fi
-done
-echo -n "${res}"
-- 
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