ref: b7b3c7b1d4ea36ec141886409fca4e3ef33b8c92
dir: /bin/contrib/fix-rc-scripts/
#!/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
}
}