WebJun 21, 2024 · 1. As of Fish version 3.4.0, command substitution may now be done with either $ () or () grouping. E.g.: ls -l $ (which vim) # or ls -l (which vim) For versions prior to 3.4.0, only the () form is available. Backticks, which do work in Bash and other POSIX … WebJul 18, 2012 · @maxnordlund The biggest obstacle is that fish uses the C stack for builtins, functions, and command substitutions. Therefore executing two of these concurrently means multiple threads, multiple processes, or something like coroutines. ... function background --description "Run a fish command in the background using a bash …
Execute bash command inside fish function
WebJan 29, 2014 · Parsing command line arguments. When creating complex scripts using fish it can be useful to parse command line arguments. Most tutorials about this using bash will explain the usage of the getopts command. That command is specific to bash so it is not usable in fish, fortunately we can use an alternative which is the Unix standard getopt … WebIn fish, as in other shells, command substitutions takes the output of the inner command, and uses it as arguments to the outer command. The exit status is discarded, which is why fish disallows them as the condition in loops. Cannot … compare health plans 2021
fish: Tutorial
WebDec 28, 2024 · In fish, command substitution cannot be quoted. set arg "-J (nproc)" set -S arg $arg: set in global scope, unexported, with 1 elements $arg [1]: -J (nproc) Use set -Ux MAKEFLAGS "-J" (nproc) Share Improve this answer Follow answered Dec 28, 2024 at 21:27 glenn jackman 81.9k 14 114 164 Add a comment 0 Webecho (mc) # fish command substitution syntax Another interesting thing to note is that after this command returns you can issue jobs to see that the mc process was suspended. The equivalent command in sh, bash, and zsh hangs the shell, and by hang I mean that I cannot kill the command or suspend it using C-z/C-c. WebDec 25, 2013 · Longer answer: In keeping with fish's philosophy of replacing magical syntax with concrete commands, we should hunt for a Unix command that substitutes for the syntactic construct {1..6}. seq fits the bill; it outputs numbers in some range, and in this case, integers from 1 to 6. fish (to its shame) omits a help page for seq, but it is a standard … compare health of snacks