lib.sh: Use simpler version in installed() using cut.

[config/dotfiles.git] / lib.sh

diff --git a/lib.sh b/lib.sh
index d9b14c50c8c1851ef1542ed9e2cd7ece5e003d3b..045af4c44afb05f8b3f3583f357d859a0a2424c3 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 }'
+    [ x`which $1 2>&1 | cut -c 1` = x/ ] || return 1
 }
 
 # Print the current OS. The following OS are supported at the moment: