From 0c3ad996b0f67ed29ad4349d48a3bd3566d65b99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-S=C3=A9bastien?= <git@jscaux.org>
Date: Tue, 14 Dec 2021 21:12:20 +0100
Subject: [PATCH] Add safety barrier to c_scan_N_fixed (to avoid accidental
 data loss)

---
 scripts/catalogue/c_scan_N_fixed_data.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/scripts/catalogue/c_scan_N_fixed_data.sh b/scripts/catalogue/c_scan_N_fixed_data.sh
index 1bdb2e5..cb3233f 100755
--- a/scripts/catalogue/c_scan_N_fixed_data.sh
+++ b/scripts/catalogue/c_scan_N_fixed_data.sh
@@ -80,6 +80,17 @@ done
 
 basedir="$(pwd)"
 
+# Safety barrier:
+# if directory exists, don't do anything and request directory deletion before proceeding
+dircheck='Lieb-Liniger/'$correlator'/T_'$kBT'/c_scan_N_fixed/k_0_to_'${(l:2::0:)nkmax}'kFo4/sr_'$target_sumrule'/store/data/N_'$N
+echo $dircheck
+if [[ -d $dircheck ]]; then
+    echo 'A c scan with these parameters already exists. Aborting.'
+    echo 'If you really want to run this command, please first delete directory:\n'$dircheck
+    exit
+fi
+
+
 for c in $clist
 do
     echo '** Starting run for c =' $c', N = '$N | tee -a $logfile