Add --rexec example to symbex --help, refs #34

simonw · Jul 16, 2023 · 3ce59ae · 3ce59ae
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diff --git a/README.md b/README.md
@@ -450,6 +450,10 @@ Usage: symbex [OPTIONS] [SYMBOLS]...
           return a + b + 3
       " | symbex my_function --replace
 
+      # Replace my_function with the output of a command:
+      symbex first_function --rexec "sed 's/^/# /'"
+      # This uses sed to comment out the function body
+
 Options:
   --version                  Show the version and exit.
   -f, --file FILE            Files to search

diff --git a/symbex/cli.py b/symbex/cli.py
@@ -234,6 +234,11 @@ def cli(
             # This is a replacement implementation
             return a + b + 3
         " | symbex my_function --replace
+
+    \b
+        # Replace my_function with the output of a command:
+        symbex first_function --rexec "sed 's/^/# /'"
+        # This uses sed to comment out the function body
     """
     if modules:
         module_dirs = []