cmdfun
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snystrom
Framework for building R interfaces to shell commands
Solution: ``` x % cmd_ui_file_exists(), silent = TRUE) if (class(x) == "try-error") { # if block below is the addition, make the message a little nicer, but this is the...
Because cmd_is_installed calls `util = TRUE`, if no utils, get error. This really highlights how this is a bad design choice to begin with #22. ``` my_fun
These are useful helpers for a specific case when something is named. `cmd_list_drop/keep` is a useful helper when case is generic, but specificity can be good sometimes. In fact, I...
This will avoid getting "" if unset, instead value will be NA.
### Issue v1.0.1 release has poor function documentation & needs an overhaul. Go through each function & write good docs, ya dingus! ### Of particular note - [ ] `cmd_output_expect`...
Currently `list_index_named_values` will throw a warning & ignore any `named_values` set to NA. This it to prevent subsetting to NAs. I could do better here and fix this to work...
These utilities can be used to check for things other than "installs" like API keys, etc. The function names should reflect this. `cmd_install_is_valid` -> `cmd_path_is_valid` `cmd_install_check` -> `cmd_path_check` (change message...
example: `shellCut("hello_world", f = 1, d = "_ && echo test")` are there any instances where shell programs use what I call illegal characters for functionality following flags? Could "sanitizing"...
#### reprex see previous version of `cmd_path_handle` & read comments. When passing a variable that did double assignment, would evaluate to internal R assignment function which passes the length check....