From c4a8bd34b41b2be26426ea01aafc69d41260cce5 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Thu, 7 Mar 2019 16:41:03 +0100
Subject: Make postprocessing scripts more resilient

---
 parasort.sh | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'parasort.sh')

diff --git a/parasort.sh b/parasort.sh
index 6b54449..6565d61 100644
--- a/parasort.sh
+++ b/parasort.sh
@@ -7,14 +7,22 @@ function ctrl_c() {
     echo "Killed."
 }
 
-cd output || exit 1
-mkdir -p ../sorted
+if ! test -d work; then
+  printf "This directory contains no work/ directory.\n"
+  [ -d ../work ] && printf "(but .. does)\n"
+  exit 1
+fi
 
-for a in *[05];     do echo "$a" >&2; ../merge_entries $a > ../sorted/$a; done &
-for a in *[16];     do echo "      $a" >&2; ../merge_entries $a > ../sorted/$a; done &
-for a in *[27];     do echo "            $a" >&2; ../merge_entries $a > ../sorted/$a; done &
-for a in *[38];     do echo "                  $a" >&2; ../merge_entries $a > ../sorted/$a; done &
-for a in *[49];     do echo "                        $a" >&2; ../merge_entries $a > ../sorted/$a; done &
-for a in brken *_;  do echo "                              $a" >&2; ../merge_entries $a > ../sorted/$a; done &
+export PATH=${PATH}:`pwd -P`/bin/
+
+mkdir -p work/sorted
+cd work/output || exit 1
+
+for a in *[05];     do echo "$a" >&2; merge_entries $a > ../sorted/$a; done &
+for a in *[16];     do echo "      $a" >&2; merge_entries $a > ../sorted/$a; done &
+for a in *[27];     do echo "            $a" >&2; merge_entries $a > ../sorted/$a; done &
+for a in *[38];     do echo "                  $a" >&2; merge_entries $a > ../sorted/$a; done &
+for a in *[49];     do echo "                        $a" >&2; merge_entries $a > ../sorted/$a; done &
+for a in brken *_;  do echo "                              $a" >&2; merge_entries $a > ../sorted/$a; done &
 
 wait
-- 
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