mise au point

script.sh

@@ -1 +1,16 @@
+#! /bin/bash
+
+set -u
+set -e
+
+#today=`date "+%d"`
+today=$(date "+%d")
+
+tmrw=$(($today + 1))
+ytd=$(($today - 1))
+mkdir -p /tmp/$(hostname -s)
+cd /tmp/$(hostname -s)
+mkdir -p $today $tmrw $ytd
+
+# ou en une seule ligne:
 mkdir -p /tmp/$(hostname -s)/{$(($(date "+%d")-1)),$(($(date "+%d")-2)),$(date "+%d")}