.

README.md

@@ -80,6 +80,17 @@ LANG=de cli-tips
 # Output: Verwenden Sie 'uniq', um doppelte Zeilen aus einer Datei zu entfernen
 ```
 
+### Use the `--about` Flag
+
+To display a random tip containing a specific keyword, use the `--about` option:
+
+```bash
+cli-tips --about=git
+# Output: Use 'git status' to check the status of your git repository
+```
+
+If no tips contain the specified keyword, no tip will be output.
+
 ### Available Languages
 
 Here is a list of all available languages:

cli-tips.sh

@@ -20,9 +20,11 @@ if [ ! -n "$TIPS_FOLDER" ]; then
     TIPS_FOLDER="$prefix/share/cli-tips"
 fi
 
+SYSTEM_LANGUAGE="$(echo "$LANG" | cut -d'_' -f1)"
+
 # Default language is based on the user's environment
 if [ ! -n "$TIPS_LANGUAGE" ]; then
-    LANGUAGE="$(echo "$LANG" | cut -d'_' -f1)"
+    LANGUAGE="$SYSTEM_LANGUAGE"
 else
     LANGUAGE="$TIPS_LANGUAGE"
 fi
@@ -33,6 +35,7 @@ show_help() {
     echo -e "\e[1mOptions:\e[0m"
     echo -e "  \e[1;34m-h, --help\e[0m                  Show this help message and exit"
     echo -e "  \e[1;34m-l, --lang, --language\e[0m      Specify the language for tips"
+    echo -e "  \e[1;34m--about\e[0m                     Specify a keyword to filter tips"
     echo
     echo -e "\e[1mAvailable Languages:\e[0m"
     printf "  "
@@ -44,6 +47,7 @@ show_help() {
     echo -e "\e[1mExamples:\e[0m"
     echo -e "  $(basename "$0") \e[1;34m--language\e[0m en"
     echo -e "  $(basename "$0") \e[1;34m--language\e[0m es"
+    echo -e "  $(basename "$0") \e[1;34m--about\e[0m git"
     echo
     echo
     echo -e "\e[1mGitHub:\e[0m \e[0;30mhttps://github.com/cli-stuff/cli-tips\e[0m"
@@ -54,11 +58,19 @@ while [[ "$#" -gt 0 ]]; do
     case $1 in
     -l | --language | --lang)
         LANGUAGE="$2"
+        if [[ ! -n "$LANGUAGE" ]]; then
+            echo "Error: No language specified"
+            exit 1
+        fi
         shift
         ;;
     --language=* | --lang=*)
         LANGUAGE="${1#*=}"
         ;;
+    --about)
+        KEYWORD="$2"
+        shift
+        ;;
     -h | --help)
         show_help
         exit 0
@@ -71,6 +83,11 @@ while [[ "$#" -gt 0 ]]; do
     shift
 done
 
+if [[ ! -n "$LANGUAGE" ]]; then
+    echo "Error: No language specified"
+    exit 1
+fi
+
 # Find the localized tips file
 if [ -f "$TIPS_FOLDER/${LANGUAGE}.txt" ]; then
     localized_file="$TIPS_FOLDER/${LANGUAGE}.txt"
@@ -81,6 +98,22 @@ fi
 # Read tips from the file into an array
 mapfile -t tips <"$localized_file"
 
+# Filter tips based on the specified keyword
+if [ -n "$KEYWORD" ]; then
+    filtered_tips=()
+    for tip in "${tips[@]}"; do
+        if [[ "$tip" == *"$KEYWORD"* ]]; then
+            filtered_tips+=("$tip")
+        fi
+    done
+    tips=("${filtered_tips[@]}")
+fi
+
+# If there are no matching tips, exit
+if [ ${#tips[@]} -eq 0 ]; then
+    exit 0
+fi
+
 # Generate random index
 tip_index=$((RANDOM % ${#tips[@]}))