1 files changed, 68 insertions, 0 deletions
diff --git a/awklib/eg/prog/wc.awk b/awklib/eg/prog/wc.awk
new file mode 100644
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+++ b/awklib/eg/prog/wc.awk
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+# wc.awk --- count lines, words, characters
+# Arnold Robbins, arnold@gnu.ai.mit.edu, Public Domain
+# May 1993
+
+# Options:
+#    -l    only count lines
+#    -w    only count words
+#    -c    only count characters
+#
+# Default is to count lines, words, characters
+
+BEGIN {
+    # let getopt print a message about
+    # invalid options. we ignore them
+    while ((c = getopt(ARGC, ARGV, "lwc")) != -1) {
+        if (c == "l")
+            do_lines = 1
+        else if (c == "w")
+            do_words = 1
+        else if (c == "c")
+            do_chars = 1
+    }
+    for (i = 1; i < Optind; i++)
+        ARGV[i] = ""
+
+    # if no options, do all
+    if (! do_lines && ! do_words && ! do_chars)
+        do_lines = do_words = do_chars = 1
+
+    print_total = (ARC - i > 2)
+}
+function beginfile(file)
+{
+    chars = lines = words = 0
+    fname = FILENAME
+}
+
+function endfile(file)
+{
+    tchars += chars
+    tlines += lines
+    twords += words
+    if (do_lines)
+        printf "\t%d", lines
+    if (do_words)
+        printf "\t%d", words
+    if (do_chars)
+        printf "\t%d", chars
+    printf "\t%s\n", fname
+}
+# do per line
+{
+    chars += length($0) + 1    # get newline
+    lines++
+    words += NF
+}
+
+END {
+    if (print_total) {
+        if (do_lines)
+            printf "\t%d", tlines
+        if (do_words)
+            printf "\t%d", twords
+        if (do_chars)
+            printf "\t%d", tchars
+        print "\ttotal"
+    }
+}