consolidate the .local/bin/x-* program-picking code into a `pick` command

1 files changed, 38 insertions, 0 deletions

diff --git a/.local/bin/pick b/.local/bin/pick
new file mode 100755
index 0000000..ed2d44d
--- /dev/null
+++ b/.local/bin/pick
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+cmd=${0##*/}
+
+if [[ $1 = -h ]]; then
+	echo "Usage: $cmd PROG1 PROG2 PROG3..."
+	echo "       $cmd -s PROG1 PROG2 PROG3..."
+	echo ""
+	echo "If \`-s' ISN'T given, print the first program name given that is"
+	echo "found in PATH."
+	echo ""
+	echo "If \`-s' IS given, print the first program name given that is"
+	echo "currently running.  If no match is found, fall back to default"
+	echo "behavior."
+	exit 0
+fi
+
+if [[ $1 = -s ]]; then
+	shift
+	# Scan to find a running instance
+	for prog in "$@"; do
+		if [[ -n "`pgrep $prog`" ]]; then
+			printf '%s\n' "$prog"
+			exit 0
+		fi
+	done
+fi
+
+# Scan to find one that is installed
+for prog in "$@"; do
+    if [[ -x "`which $prog 2>/dev/null`" ]]; then
+		printf '%s\n' "$prog"
+		exit 0
+    fi
+done
+
+printf '%s\n' "$cmd: no suitable program found"
+exit 1