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authorUlrich Drepper <drepper@redhat.com>1999-01-18 09:22:51 +0000
committerUlrich Drepper <drepper@redhat.com>1999-01-18 09:22:51 +0000
commitd0d7d3824e562ac4033a0960257682c744c7bc61 (patch)
tree0b8e0a995d5042fe205357ff9c35ef1f91ad4d85 /manual
parent37ce12d14c4d55fef2ca8c939f111bae05ac4eb8 (diff)
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Limited tsort replacement.
Diffstat (limited to 'manual')
-rw-r--r--manual/tsort.awk46
1 files changed, 46 insertions, 0 deletions
diff --git a/manual/tsort.awk b/manual/tsort.awk
new file mode 100644
index 0000000000..8e77ffe4b6
--- /dev/null
+++ b/manual/tsort.awk
@@ -0,0 +1,46 @@
+#! /usr/bin/awk -f
+# Generate topologically sorted list of manual chapters.
+# (C) Copyright 1998, 1999 Free Software Foundation, Inc.
+# Written by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+BEGIN {
+ cnt = 0
+ dnt = 0
+}
+{
+ to[dnt] = $1
+ from[dnt] = $2
+ ++dnt
+ all[cnt++] = $1
+}
+END {
+ do {
+ moved = 0
+ for (i = 0; i < dnt; ++i) {
+ for (j = 0; j < cnt; ++j) {
+ if (all[j] == from[i]) {
+ for (k = j + 1; k < cnt; ++k) {
+ if (all[k] == to[i]) {
+ break;
+ }
+ }
+ if (k < cnt) {
+ for (l = k - 1; l >= j; --l) {
+ all[l + 1] = all[l]
+ }
+ all[j] = to[i]
+ break;
+ }
+ }
+ }
+ if (j < cnt) {
+ moved = 1
+ break
+ }
+ }
+ } while (moved)
+
+ for (i = 0; i < cnt; ++i) {
+ print all[i];
+ }
+}