From d127365cfac07dff8af75efbed95901d9ff6c0bc Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Mon, 7 Dec 2020 11:07:08 -0500
Subject: Initial commit

---
 common.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 common.sh

(limited to 'common.sh')

diff --git a/common.sh b/common.sh
new file mode 100755
index 0000000..315a6a0
--- /dev/null
+++ b/common.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+renice 15 $$
+ionice -c 3 -p $$
+
+cmd() {
+    while :; do
+        printf '[*] '
+        printf '%s ' "$@"
+        echo
+        if "$@"; then
+            break
+        else
+            printf "\"%s\" exited $?, dropping to shell... Exit 0 to retry, 2 to ignore, 3 to abort.\n" "$*"
+            $SHELL
+            case $? in
+                2) break ;;
+                3) exit 3 ;;
+            esac
+        fi
+    done
+}
+
+trap : INT
-- 
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