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-rwxr-xr-xdhall/compare.fish9
1 files changed, 9 insertions, 0 deletions
diff --git a/dhall/compare.fish b/dhall/compare.fish
new file mode 100755
index 0000000..154f06a
--- /dev/null
+++ b/dhall/compare.fish
@@ -0,0 +1,9 @@
+#!/usr/bin/env fish
+
+set dhall_hs_path ../dhall
+set dhall_hs $dhall_hs_path/.stack-work/install/**/bin/dhall
+set dhall_rs target/debug/dhall
+set input_file $argv[1]
+diff -u \
+ --label "dhall-hs < $input_file" (eval $dhall_hs < $input_file ^&1 | psub) \
+ --label "dhall-rs < $input_file" (eval $dhall_rs < $input_file ^&1 | psub)