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-rw-r--r--sh/functions.sh.in7
1 files changed, 6 insertions, 1 deletions
diff --git a/sh/functions.sh.in b/sh/functions.sh.in
index 57917ed3..acf37e45 100644
--- a/sh/functions.sh.in
+++ b/sh/functions.sh.in
@@ -59,13 +59,18 @@ _sanitize_path()
}
# Allow our scripts to support zsh
-if [ -n "${ZSH_VERSION}" ]; then
+if [ -n "$ZSH_VERSION" ]; then
emulate sh
NULLCMD=:
alias -g '${1+"$@"}'='"$@"'
setopt NO_GLOB_SUBST
fi
+# Use a special shell feature to save forking
+if [ -n "$BASH_VERSION" -o "$ZSH_VERSION" ]; then
+ shell_var() { LC_ALL=C echo "${@//[![:word:]]/_}"; }
+fi
+
# Make a sane PATH
_PREFIX=@PREFIX@
_PKG_PREFIX=@PKG_PREFIX@