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-rw-r--r--Functions/Zftp/zfautocheck33
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+# function zfautocheck {
+# This function is used to implement auto-open behaviour.
+#
+# With first argument including n, don't change to the old directory; else do.
+#
+# Set do_close to 1 if the connection was not previously open, 0 otherwise
+# With first arguemnt including d, don't set do_close to 1. Broadly
+# speaking, we use this mechanism to shut the connection after use
+# if the connection had been explicitly closed (i.e. didn't time out,
+# which zftp test investigates) and we are not using a directory
+# command, which implies we are looking for something so should stay open
+# for it.
+
+# Remember the old session: zflastsession will be overwritten by
+# a successful open.
+local lastsession=$zflastsession
+
+if [[ -z $ZFTP_HOST ]]; then
+ zfopen || return 1
+ [[ $1 = *d* ]] || do_close=1
+elif zftp test 2>/dev/null; then
+ return 0
+else
+ zfopen || return 1
+fi
+
+if [[ $1 = *n* ]]; then
+ return 0
+elif [[ -n $lastsession && $ZFTP_HOST = ${lastsession%%:*} ]]; then
+ zfcd ${lastsession#*:}
+fi
+
+# }