1 files changed, 44 insertions, 0 deletions
diff --git a/inpath b/inpath
new file mode 100755
index 0000000..f625b17
--- /dev/null
+++ b/inpath
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+in_path () {
+    local cmd=$1 path=$2 res=1
+    local IFS=":"
+
+    for dir in $path;
+    do
+        if [ -x "$dir/$cmd" ]; then
+            res=0
+            break
+        fi
+    done
+
+    return $res
+}
+
+cmd_in_path () {
+    var=$1
+
+    if [ -n "$var" ]; then
+        if [ $(echo "$var" | cut -c 1) = "/" ]; then
+            if [ ! -x $var ]; then
+                return 1
+            fi
+        elif ! in_path $var "$PATH"; then
+            return 2
+        fi
+    fi
+}
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <command>" >&2
+    exit 1
+fi
+
+cmd_in_path "$1"
+case $? in
+    0 ) echo "$1 found in PATH"               ;;
+    1 ) echo "$1 not found or not executable" ;;
+    2 ) echo "$1 not found in PATH"           ;;
+esac
+
+exit 0