lib.sh: Fix installed() for which with no output in case of error.

[config/dotfiles.git] / lib.sh

diff --git a/lib.sh b/lib.sh
index d9b14c50c8c1851ef1542ed9e2cd7ece5e003d3b..1fa3c8fc0fedaea09f27b91769f1f93218a793fb 100644 (file)
--- a/lib.sh
+++ b/lib.sh
@@ -11,7 +11,7 @@ unset LS_COLORS
 # Check if the given program is installed. Returns 0 if it exists, 1
 # otherwise; so it can be used in if.
 installed() {
-    which $1 2>&1 | perl -ne 'if (not m{^/}) { exit 1 }'
+    which $1 2>&1 | perl -e '$_ = <>; if (not m{^/}) { exit 1 }'
 }
 
 # Print the current OS. The following OS are supported at the moment: