From 2781ddf6a3a06339521c5ab67e7cd7ae53dc1f81 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lucas=20Fr=C3=A9rot?= <lucas.frerot@sorbonne-universite.fr>
Date: Tue, 31 Dec 2024 13:34:53 +0100
Subject: [PATCH] added conditional prompt function

---
 rtenets | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/rtenets b/rtenets
index c74ba02..2d79996 100755
--- a/rtenets
+++ b/rtenets
@@ -77,10 +77,23 @@ alt_var() {
     if is_set "${variable}"; then
         printf "%s" "$(eval "printf \"%s\" \"\${${variable}}\"")"
     else
-        printf "%s" "$value_if_unset"
+        printf "%s" "${value_if_unset}"
     fi
 }
 
+# Enter value if unset
+cond_enter() {
+    local input="$1"
+    local var_name="$2"
+    local value="$(alt_var "" "${var_name}")"
+
+    if [[ "${value}" == "" ]]; then
+        value="$(enter "${input}")"
+    fi
+
+    printf "%s" "${value}"
+}
+
 # Check that command exists
 has_command() {
     command -v "$1" >/dev/null 2>&1