Added fless script

fless.sh

@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+# fless - fuzzy find a file and run less on it
+# Dependencies
+#  - fd
+#  - fzf
+
+printHelp() {
+cat << EOF
+Usage: fless [-h|--help] [-b|--boot] [-d|--dir directory] [-e|--etc]
+Options:
+    -b, --boot      edit a file in /boot/loader
+    -d, --dir       edit a file in a given directory
+    -e, --etc       edit a file in /etc
+    -h, --help      print this help page
+EOF
+}
+
+# Error messages
+readonly directory_error="Error, enter a directory"
+
+# Pre-run correctness checks
+unset fd_opts
+ans=
+file=
+dir=
+
+declare -a fd_opts
+fd_opts+=('--hidden')
+fd_opts+=('--type' 'f')
+fd_opts+=('--print0')
+fd_opts+=('--no-ignore-vcs')
+
+while true; do
+    case "${1}" in
+        '-b'|'--boot')
+            dir="/boot/loader"
+            shift
+            continue
+            ;;
+        '-d'|'--dir')
+            case "${2}" in
+                "")
+                    printf '%s\n' "${directory_error}" >&2
+                    exit 1
+                    ;;
+                *)
+                    dir="${2}"
+                    [[ ! -d "${dir}" ]] && printf '%s\n' "Not a directory: ${dir}" >&2 && exit 1
+                    ;;
+            esac
+            shift 2
+            continue
+            ;;
+        --dir=*)
+            dir="${1#*=}"
+            [[ -z "${dir}" ]] && printf '%s\n' "${directory_error}" >&2 && exit 1
+            [[ ! -d "${dir}" ]] && printf '%s\n' "Not a directory: ${dir}" >&2 && exit 1
+            shift
+            continue
+            ;;
+        '-e'|'--etc')
+            dir='/etc'
+            shift
+            continue
+            ;;
+        '-h'|'--help')
+            printHelp
+            exit
+            ;;
+        --)
+            shift
+            break
+            ;;
+        -*)
+            printf '%s\n' "Unknown option: ${1}"
+            exit 1
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+if [[ "${dir}" ]]; then
+    file="$(fd "${fd_opts[@]}" . -- "${dir}" | fzf --read0 --select-1 --exit-0 --no-mouse)"
+else
+    file="$(fd "${fd_opts[@]}" | fzf --read0 --select-1 --exit-0 --no-mouse)"
+fi
+
+[[ ! "${file}" ]] && exit 1
+
+"${PAGER:-/usr/bin/less}" -- "${file}"