ref: 49b7e1ee8c341c8a259172883d738710f5118f36
parent: 71565c1d5b70ea052515cd2efaa110c6d55c8bf9
author: sl <sl@stanleylieber.com>
date: Mon Jun 15 16:22:56 EDT 2020
add bin/contrib/fix-rc-scripts (thanks, Ethan Gardner)
--- /dev/null
+++ b/bin/contrib/fix-rc-scripts
@@ -1,0 +1,27 @@
+#!/usr/local/plan9/bin/rc
+
+# Fix rc shell scripts to find rc without launching env every time.
+# Invoke with rc and plan9 versions of grep and ed in $PATH
+
+# If your system lacks which (e.g. some gnu/linux)
+# substitute the full path to rc in this line:
+rc=/usr/local/plan9/bin/rc
+firstline='#!'$"rc
+
+if(~ $#* 0) files = *
+if not files = $*
+
+myname = `{basename $0}+
+for(file in $files) {+ if(test -d $file) $0 $file/*
+ if not if(~ $file *$myname) {}+ if not if(sed 1q $file | grep '^#!/.*[/ ]rc$' > /dev/null) {+ {+ echo 1c
+ echo $firstline
+ echo .
+ echo wq
+ } | ed $file > /dev/null
+ }
+}