view bin/f @ 12046:e37d658a85e2 draft

<oerjan> learn nur "command argument" is a convenience wrapper for invoking user-given commands with the same argument splitting as HackEso\'s top level. (Mnemonic: opposite of `run)
author HackEso <hackeso@esolangs.org>
date Sat, 16 Nov 2019 04:19:47 +0000
parents c989a1669243
children
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#! /bin/bash
cmd="$1"
shift
f="$*"
if [[ -z "$f" && "$cmd" == *\ * ]]; then f="${cmd#* }"; cmd="${cmd%% *}"; fi
if [[ -z "$f" ]]; then echo try: \`f command filename; elif [[ -e "$f" ]]; then "$cmd" "$(< "$f")"; else echo no such file: "$f"; fi