Tcl solutions for week 135

2 files changed, 54 insertions, 0 deletions

diff --git a/challenge-135/abigail/tcl/ch-1.tcl b/challenge-135/abigail/tcl/ch-1.tcl
new file mode 100644
index 0000000000..b4024a86a5
--- /dev/null
+++ b/challenge-135/abigail/tcl/ch-1.tcl
@@ -0,0 +1,23 @@
+#
+# See ../README.md
+#
+
+#
+# Run as: tclsh ch-1.tcl < input-file
+#
+
+while {[gets stdin line] >= 0} {
+    if {[regexp {^[-+]?([0-9]+)$} $line -> digits]} {
+        set ll [string length $digits]
+        if {[expr $ll % 2] == 0} {
+            puts "even number of digits"
+        } elseif {[expr $ll < 3]} {
+            puts "too short"
+        } else {
+            puts [string range $digits [expr ($ll - 3) / 2]\
+                                       [expr ($ll + 2) / 2]]
+        }
+    } else {
+        puts "not an integer"
+    }
+}
diff --git a/challenge-135/abigail/tcl/ch-2.tcl b/challenge-135/abigail/tcl/ch-2.tcl
new file mode 100644
index 0000000000..9df349e33b
--- /dev/null
+++ b/challenge-135/abigail/tcl/ch-2.tcl
@@ -0,0 +1,31 @@
+#
+# See ../README.md
+#
+
+#
+# Run as: tclsh ch-2.tcl < input-file
+#
+
+set w {1 3 1 7 3 9 1}
+
+while {[gets stdin line] >= 0} {
+    if {[regexp {^[0-9BCDFGHJKLMNPQRSTVWXYZ]{7}$} $line]} {
+        set check 0
+        for {set i 0} {$i < [string length $line]} {incr i} {
+            set val [scan [string index $line $i] %c]
+            if {[expr $val <= [scan "9" %c]]} {
+                set val [expr $val - [scan "0" %c]]
+            } else {
+                set val [expr $val - [scan "A" %c] + 10]
+            }
+            set check [expr $check + [lindex $w $i] * $val]
+        }
+        if {[expr $check % 10] == 0} {
+            puts 1
+        } else {
+            puts 0
+        }
+    } else {
+        puts 0
+    }
+}