<oerjan> learn shebang_args_or_input is similar to print_args_or_input, but for other scripting languages like perl or python. E.g. if you have a python script that pipes stdin, replace the usual shebang line by #!/hackenv/bin/shebang_args_or_input python .

char s[99],*p[9],**q;main(){for(;q=p,*q++=strtok(gets(s)," ");fork()||execvp(*p,p),wait(0))for(;*q++=strtok(0," "););}