NunoSempere/fermi
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sets echo on by default with read from file flag

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NunoSempere 2024-11-10 17:07:19 +00:00
parent a99934387c
commit 27f9932db8
3 changed files with 5 additions and 3 deletions
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5
README.md
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@ -4,7 +4,7 @@ This project is a minimalist, calculator-style DSL for fermi estimation. It can
## Motivation ## Motivation
Sometimes, [Squiggle](https://github.com/quantified-uncertainty/squiggle), [simple squiggle](https://git.nunosempere.com/quantified.uncertainty/simple-squiggle) or [squiggle.c](https://git.nunosempere.com/personal/squiggle.c) are still too complicated and un-unix-like. Sometimes, [Squiggle](https://github.com/quantified-uncertainty/squiggle), [simple squiggle](https://git.nunosempere.com/quantified.uncertainty/simple-squiggle) or [squiggle.c](https://git.nunosempere.com/personal/squiggle.c) are still too complicated and un-unix-like. In particular, their startup cost is not instant.
## Installation ## Installation
@ -94,7 +94,7 @@ Command flags:
-echo -echo
Specifies whether inputs should be echoed back. Useful if reading from a file Specifies whether inputs should be echoed back. Useful if reading from a file
. -f string . -f string
Specifies a file with a model to run Specifies a file with a model to run. Sets the echo command to true by default.
-n int -n int
Specifies the number of samples to draw when using samples (default 100000) Specifies the number of samples to draw when using samples (default 100000)
-h Shows help message -h Shows help message
@ -194,6 +194,7 @@ Done:
To (possibly) do: To (possibly) do:
- [ ] With the -f command line option, the program doesn't read from stdin after finishing reading the file
- [ ] Add functions. Now easier to do with an explicit representation of the stakc - [ ] Add functions. Now easier to do with an explicit representation of the stakc
- [ ] Think about how to draw a histogram from samples - [ ] Think about how to draw a histogram from samples
- [ ] Dump samples to file - [ ] Dump samples to file

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fermi
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3
fermi.go
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@ -459,7 +459,7 @@ replForLoop:
func main() { func main() {
num_samples_flag := flag.Int("n", N_SAMPLES, "Specifies the number of samples to draw when using samples") num_samples_flag := flag.Int("n", N_SAMPLES, "Specifies the number of samples to draw when using samples")
filename := flag.String("f", "", "Specifies a file with a model to run") filename := flag.String("f", "", "Specifies a file with a model to run. Sets the echo flag to true")
echo_flag := flag.Bool("echo", false, "Specifies whether inputs should be echoed back. Useful if reading from a file.") echo_flag := flag.Bool("echo", false, "Specifies whether inputs should be echoed back. Useful if reading from a file.")
help_flag := flag.Bool("h", false, "Shows help message") help_flag := flag.Bool("h", false, "Shows help message")
flag.Parse() flag.Parse()
@ -472,6 +472,7 @@ func main() {
if *filename != "" { if *filename != "" {
file, err := os.Open(*filename) file, err := os.Open(*filename)
if err == nil { if err == nil {
*echo_flag = true
reader = bufio.NewReader(file) reader = bufio.NewReader(file)
} else { } else {
fmt.Printf("Error opening filename; reading from stdin instead\n") fmt.Printf("Error opening filename; reading from stdin instead\n")