X-Git-Url: https://iankelling.org/git/?p=lnf;a=blobdiff_plain;f=lnf-function;h=daae096c035f51d63500a5f526d79403e260a6ee;hp=7bc88f0c5847ccab79a067b7c3b1ad7313eb6b7b;hb=0e81e42e5faadf13bb6ef9fe6650f57cbce7422b;hpb=a5d3fe7ecee597e33e7081f45847a6c9f25a22fb diff --git a/lnf-function b/lnf-function index 7bc88f0..daae096 100644 --- a/lnf-function +++ b/lnf-function @@ -3,30 +3,49 @@ # This program is under GPL v. 3 or later, see lnf() { - local help="lnf [--help] LN_ARGUMENTS... + local help="lnf [--help] [-T] LN_ARGUMENT... Create symlinks conveniently and forcefully. + Remove existing file/links using trash-put or rm -rf if it is not available. Create directory if needed. Small change to ln argument semantics: for 2 arguments, -the second is the link, never a directory to put the link in. -LN_ARGUMENTS are passed to ln -s --, meaning no ln option arguments are supported." - if [[ $1 == --help ]]; then +the second argument is a directory unless -T is passed. This removes ambiguity of +replacing a file but not a directory. No ln option arguments are supported." + + if [[ $1 == --help || $# -eq 0 ]]; then echo "$help" return 0 fi + + local nodir=false + if [[ $1 == -T ]]; then + nodir=true + shift + fi + + local reset_extglob=false + ! shopt extglob >/dev/null && reset_extglob=true + shopt -s extglob + local remove x - if type -P dircolors >/dev/null; then + if type -P trash-put >/dev/null; then remove=trash-put else remove="rm -rf" fi - if [[ $# -ge 3 ]]; then + if $nodir && [[ $# -eq 2 ]]; then + if [[ -e "$2" || -L "$2" ]]; then + $remove "$2" + elif [[ ! -d "$2/.." ]]; then + mkdir -p "$2/.." + fi + elif [[ $# -ge 2 ]]; then if [[ -d ${!#} ]]; then local oldcwd=$PWD - cd ${!#} # last arg - for x in "${@:1:$(($#-1))}"; do # all but last arg - # remove any trailing slashes + cd "${!#}" # last arg + for x in "${@:1:$(( $# - 1 ))}"; do # all but last arg + # remove any trailing slashes, uses extglob x="${x%%+(/)}" # remove any leading directory components x="${x##*/}" @@ -36,14 +55,10 @@ LN_ARGUMENTS are passed to ln -s --, meaning no ln option arguments are supporte else mkdir -p "${!#}" fi - elif [[ $# -eq 2 ]]; then - if [[ -e "$2" || -L "$2" ]]; then - $remove "$2" - elif [[ ! -d "$2/.." ]]; then - mkdir -p "$2/.." - fi elif [[ $# -eq 1 ]]; then [[ -e "${1##*/}" || -L "${1##*/}" ]] && $remove "${1##*/}" fi + + $reset_extglob && shopt -u extglob ln -s -- "$@" }