improvement: externalized files

src/awk/get.awk

@@ -3,41 +3,8 @@
 ##
 ## @assign field: Field name
 
-# Unescape string
-#
-# @local variables: i, c, c2, res
-# @input str: String
-# @return: Unescaped string
-function unescape(str,    i, c, c2, res) {
-  for(i=1; i<=length(str);i++) {
-    c = substr(str, i, 1)
-    if (c != "\\") {
-      res = res c
-      continue
-    }
-    i++
-    c2 = substr(str, i, 1)
-    if (c2 == "n" || c2 == "N") {
-      res = res "\n"
-      continue
-    }
-    # Alternatively, c2 is "\\" or "," or ";". In each case, append res with
-    # c2. If the strings has been escaped correctly, then the character c2
-    # cannot be anything else. To be fail-safe, simply append res with c2.
-    res = res c2
-  }
-  return res
-}
+@include "lib/awk/icalendar.awk"
 
-# Isolate content part of an iCalendar line, and unescape.
-#
-# @input str: String
-# @return: Unescaped content part
-function getcontent(str) {
-  return unescape(substr(str, index(str, ":") + 1))
-}
-
-# AWK program
 BEGIN              { FS = ":"; regex = "^" field }
 /^BEGIN:VEVENT$/   { inside = 1 }
 /^END:VEVENT$/     { exit }