From d9ca7c31272cbe70919e9076078695557a31edd9 Mon Sep 17 00:00:00 2001
From: "Kasper D. Fischer" <kasper.fischer@rub.de>
Date: Tue, 25 May 2021 13:22:39 +0200
Subject: [PATCH] Add support for pe_prolog and pe_epilog files

Send all command line args to the files to be run
Add script to remove empty *.pe* and *.po* files after running pe jobs
Scripts expect this 11 commandline arguments: $pe_hostfile $host $job_owner $job_id $job_name $pe $pe_slots $queue $stdout_path $stderr_path $merge_stderr
---
 bin/pro-epilog_wrapper.sh          |  2 +-
 pe_epilog.d/99-rm_empty_pe_logs.sh | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100755 pe_epilog.d/99-rm_empty_pe_logs.sh

diff --git a/bin/pro-epilog_wrapper.sh b/bin/pro-epilog_wrapper.sh
index de18b01..0728e93 100755
--- a/bin/pro-epilog_wrapper.sh
+++ b/bin/pro-epilog_wrapper.sh
@@ -15,6 +15,6 @@ done
 FILESSORTED="$(echo ${FILES} | sort)"
 
 for FILE in ${FILESSORTED} ; do
-	${FILE} || exit $?
+	${FILE} $@ || exit $?
 done
 exit 0
diff --git a/pe_epilog.d/99-rm_empty_pe_logs.sh b/pe_epilog.d/99-rm_empty_pe_logs.sh
new file mode 100755
index 0000000..e9247bc
--- /dev/null
+++ b/pe_epilog.d/99-rm_empty_pe_logs.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+## Delete the STDOUT and STDERR files (.o and .e) if they are empty
+##  ( we do not want to delete non-empty files, they may contain useful
+##    troubleshooting or debug information ... )
+##
+
+## input args:
+#	1: $pe_hostfile
+#	2: $host
+#	3: $job_owner
+#	4: $job_id
+#	5: $job_name
+#	6: $pe
+#	7: $pe_slots
+#	8: $queue
+#	9: $stdout_path
+#	10: $stderr_path
+#	11: $merge_stderr
+
+stdout_path=${9}
+stderr_path=${10}
+
+[ -r ${stdout_path} -a -f ${stdout_path} ] && [ ! -s ${stdout_path} ] && rm -f ${stdout_path}
+[ -r ${stderr_path} -a -f ${stderr_path} ] && [ ! -s ${stderr_path} ] && rm -f ${stderr_path}
+
+exit 0
+