initial commit

config_ini.bash

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+set -eo pipefail
+
+# To read a value from the INI file
+# Assume the INI file is formatted like:
+# [section]
+# key=value
+
+# Function to read a value from an INI-style file
+read_ini() {
+    local INI_FILE="$1"
+    local SECTION="$2"
+    local KEY="$3"
+
+    # Use awk to read the specific section and key
+    awk -F '=' "/^\[$SECTION\]/ {section=1} section==1 && /^$KEY=/ {print \$2; exit}" "$INI_FILE"
+}
+
+# To write or update a value in the INI file
+
+# Function to set a value in an INI-style file
+write_ini() {
+    local INI_FILE="$1"
+    local SECTION="$2"
+    local KEY="$3"
+    local VALUE="$4"
+
+    # Create the INI file if it doesn't exist
+    if [ ! -f "$INI_FILE" ]; then
+        touch "$INI_FILE"
+    fi
+
+    # Check if the key already exists
+    if grep -q "^\[$SECTION\]" "$INI_FILE"; then
+        if grep -q "^$KEY=" "$INI_FILE"; then
+            # If the key exists, update it
+            sed -i "/^\[$SECTION\]/, /^\[/ { /^$KEY=/ s/=.*/=$VALUE/ }" "$INI_FILE"
+        else
+            # If the key does not exist, add it under the section
+            sed -i "/^\[$SECTION\]/a $KEY=$VALUE" "$INI_FILE"
+        fi
+    else
+        # If the section does not exist, add the section and the key
+        echo -e "\n[$SECTION]\n$KEY=$VALUE" >> "$INI_FILE"
+    fi
+}
+
+# Usage
+write_ini "config.ini" "section" "key" "newvalue"
+write_ini "config.ini" "newsection" "key" "newvalue"
+# Usage
+value=$(read_ini "config.ini" "section" "key")
+echo "$value"
+
+value=$(read_ini "config.ini" "section" "key2")
+echo "$value"