Using itfmt without arguments now formats from stdin and prints to stdout.

Author: jack-dunham

Project.toml

@@ -1,6 +1,6 @@
 name = "ITensorFormatter"
 uuid = "b6bf39f1-c9d3-4bad-aad8-593d802f65fd"
-version = "0.2.28"
+version = "0.3.0"
 authors = ["ITensor developers <support@itensor.org> and contributors"]
 
 [workspace]

src/main.jl

@@ -143,13 +143,25 @@ function process_args(argv)
     return (; paths, format, format_yaml)
 end
 
+function format_stdin()
+    content = read(stdin, String)
+    content = organize_import_blocks_string(content)
+    content = JuliaFormatter.format_text(content; JULIAFORMATTER_OPTIONS...)
+    content = Runic.format_string(content)
+    write(stdout, content)
+    return 0
+end
+
 """
 $(help_markdown())
 """
 function main(argv)
     (; paths, format, format_yaml) = process_args(argv)
     !format && return 0
-    isempty(paths) && return error("No input paths provided.")
+    if isempty(paths)
+        format_stdin()
+        return 0
+    end
     jlfiles = filterpaths(isjlfile, paths)
     yamlfiles = format_yaml ? filterpaths(isyamlfile, paths) : String[]
     projectomls = filterpaths(isprojecttoml, paths)