isfile
port for fish shell.
Return nothing if it does exist and 1
in my prompt if does not exists
someuser ~/D/functions (main)> isfile README.md
someuser ~/D/functions (main)>
someuser ~/D/functions (main)> isfile README.mddd
someuser ~/D/functions (main) [1]>
# same as running `test -f README.md
someuser ~/D/functions (main)> test -f README.md
# returns empty prompt
someuser ~/D/functions (main)>
# returns empty prompt preceded by number 1
someuser ~/D/functions (main)> test -f README.mddd
someuser ~/D/functions (main) [1]>
Using fisher(recommended)
fisher install idkjs/isfile