path.sh, config-path: don't rely on external programs (sed)

1 files changed, 7 insertions, 9 deletions

diff --git a/.local/bin/config-path b/.local/bin/config-path
index 7cd1fcd..1d4d4d1 100755
--- a/.local/bin/config-path
+++ b/.local/bin/config-path
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # All the prefixes to consider
 prefixes=(
@@ -61,14 +61,12 @@ main() {
 	done
 
 	# Finally, print the values
-	# The `sed` bit here is the only time we call an external program
-	{
-		var_done PATH
-		var_done MANPATH
-		var_done LD_LIBRARY_PATH
-		var_done RUBYLIB
-		var_done PERL5LIB
-	} | sed 's/^declare \(-\S* \)*//'
+	lines=()
+	for var in PATH MANPATH LD_LIBRARY_PATH RUBYLIB PERL5LIB; do
+		lines+=("$(var_done "$var")")
+	done
+	shopt -s extglob
+	printf -- '%s\n' "${lines[@]##declare *(-+([[:graph:]]) )}"
 }
 
 main "$@"