added macho man page finder

.local/bin/tools/manf

@@ -0,0 +1,26 @@
+#!/bin/sh
+# macho - an interactive man page finder using fzf
+# from: https://hiphish.github.io/blog/2020/05/31/macho-man-command-on-steroids/
+export FZF_DEFAULT_OPTS='
+--height=30%
+--layout=reverse
+--prompt="Manual: "
+--preview="echo {1} | sed -E \"s/^\((.+)\)/\1/\" | xargs -I{S} man -Pcat {S} {2} 2>/dev/null"'
+
+while getopts ":s:" opt; do
+    case $opt in
+        s ) SECTION=$OPTARG; shift; shift;;
+        \?) echo "Invalid option: -$OPTARG" >&2; exit 1;;
+        : ) echo "Option -$OPTARG requires an argument" >&2; exit 1;;
+    esac
+done
+
+manual=$(apropos -s ${SECTION:-''} ${@:-.} | \
+    grep -v -E '^.+ \(0\)' |\
+    awk '{print $2 "    " $1}' | \
+    sort | \
+    fzf --query="$*"  | \
+    sed -E 's/^\((.+)\)/\1/')
+
+[ -z "$manual" ] && exit 0
+man $manual