Initial import

diff --git a/README.md b/README.md
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index 0000000..e69de29

diff --git a/TODO.md b/TODO.md
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index 0000000..e69de29

diff --git a/csv2sc b/csv2sc
new file mode 100755 (executable)
index 0000000..8efb54b
--- /dev/null
+++ b/csv2sc
@@ -0,0 +1,76 @@
+#!/usr/bin/gawk -f
+#
+# csv2sc ver. 0.1  (2001/12/4)
+# Copyright (C) 2001 SIGEHUZI Tomoo (tomoo@s.email.ne.jp)
+
+function is_date(s) {
+    if (split(s, date, "/") != 3) return 0;
+    if (date[1] !~ /(19|20)?[0-9][0-9]/) return 0;
+    if (date[2] !~ /(0?[1-9]|1[012])/) return 0;
+    if (date[2] !~ /(0?[1-9]|[12][0-9]|3[01])/) return 0;
+    return 1;
+}
+
+function i_index(n,        i, s) {
+    s = "";
+    for (s = ""; ; n = (n - i) / nix - 1) {
+        i = n % nix;
+        s = sprintf("%s%s", ix[i], s);
+       if (n < 1) break;
+    }
+    return s;
+}
+
+BEGIN {
+    nix = split("BCDEFGHIJKLMNOPQRSTUVWXYZ", ix, "") + 1;
+    ix[0] = "A";
+}
+
+{
+    s = sprintf("%s%s", s, $0);
+    np += gsub(/"/, "\a");
+    if (np % 2) {
+        s = sprintf("%s\n", s);
+        next;
+    }
+    m = n = split(s, a, ",");
+
+    np = 0;
+    s = "";
+    for (i = j = 1; i <= n; i++) {
+       s = sprintf("%s%s", s, a[i]);
+       np += gsub(/"/, "\a", a[i]);
+       if (np % 2) {
+           s = sprintf("%s,", s);
+           continue;
+       }
+       np = 0;
+       a[j++] = s;
+       s = "";
+    }
+    n = j - 1;
+    for (i = 1; i <= n; i++) {
+       s = a[i];
+       sub(/^"/, "", s);
+       sub(/"$/, "", s);
+       gsub(/\\/, "\\\\", s);
+       gsub(/""/, "\\\"", s);
+       gsub(/\n/, "\\n", s);
+       gsub(/\t/, "\\t", s);
+       a[i] = s;
+    }
+
+    for (i = 1; i <= n; i++) {
+       s = a[i];
+       I = i_index(i - 1);
+       if (s ~ /^[0-9.]+$/) printf("let %s%d = %s\n", I, J, s);
+       else if (is_date(s))
+           printf("let %s%d = @dts(%d,%d,%d)\nfmt %s%d \"\004%%Y/%%m/%%d\"\n",
+                  I, J, date[1], date[2], date[3], I, J);
+       else printf("leftstring %s%d = \"%s\"\n", I, J, s);
+    }
+
+    J++;
+    np = 0;
+    s = "";
+}

diff --git a/sc2csv b/sc2csv
new file mode 100755 (executable)
index 0000000..2f2fae5
--- /dev/null
+++ b/sc2csv
@@ -0,0 +1,73 @@
+#!/usr/bin/gawk -f
+#
+# sc2csv ver. 0.1  (2001/12/4)
+# Copyright (C) 2001 SIGEHUZI Tomoo (tomoo@s.email.ne.jp)
+
+function pos(s,        n, a) {
+    sub(/[0-9]*$/, " &", s);
+    n = split(s, a);
+    if (n != 2) return 1;
+    J = a[2];
+    s = a[1];
+    n = split(s, a, "");
+    if (n < 1) return 1;
+    I = 0;
+    for (i = 1; i <= n; i++) {
+       if (a[i] !~ /^[A-Z]$/) return 1;
+       I = I * 26 + v[a[i]];
+    }
+    if (I > N[J]) N[J] = I;
+    return 0;
+}
+
+
+function invalid_line() {
+    print "Invalid line:", $0 > "/dev/stderr";
+    exit(1);
+}
+
+
+BEGIN {
+    nap = split("ABCDEFGHIJKLMNOPQRSTUVWXYZ", ap, "");
+    for (i = 1; i <= nap; i++) v[ap[i]] = i - 1;
+}
+
+
+/^\#/ {next;}
+
+
+/^goto / {next;}
+
+
+{
+    if (NF == 0) next;
+    if ($1 ~ /^fmt$/) next;
+    if (pos($2) || $3 != "=") invalid_line();
+    val = $0;
+    sub(/^[^=]*= /, "", val);
+    if ($1 == "let") {
+      if (val ~ /^@dts\([0-9]*,[0-9]*,[0-9]*\)$/) {
+       split(substr(val, 6, length(val) - 6), date, ",");
+       a[I,J] = sprintf("%d/%d/%d", date[1], date[2], date[3]);
+      } 
+      else a[I,J] = val;
+    }
+    else if ($1 ~ /^(left|right)string$/) {
+        if (val ~ /^".*"$/) {
+           s = substr(val, 2, length(val) - 2);
+           gsub(/\\t/, "\t", s);
+           gsub(/\\n/, "\n", s);
+           gsub(/\\"/, "\"\"", s);
+           a[I,J] = (s ~ /[,"\n\t]/) ? sprintf("\"%s\"", s) : s;
+       }
+       else a[I,J] = val;  # Much left to be done.
+    }
+    else invalid_line();
+}
+
+END {
+    for (j = 0; j <= J; j++) {
+       for (i = 0; i < N[j]; i++) printf("%s,", a[i,j]);
+       print a[i,j];
+    }
+}