Plan 9 from Bell Labs’s /usr/web/sources/patch/sorry/ape-rc-scripts-safe-path/ar89.orig
#!/bin/rc flagfmt='c,d,p,r,t,u,v,x' args='archive [files ...]' if(! ifs=() eval `{aux/getflags $*} || ~ $#* 0) { aux/usage exit usage } key='' for(i in c d p r t x u v) if(f=flag$i ~ $#$f 1) key=$key$i exec /$cputype/bin/ar $key $*