execline
Software
skarnet.org

The < program

< redirects a given file descriptor to a file, then executes a program.

Interface

     < [ -r | -w | -u | -a | -c | -x ] [ -n | -b ] fd file prog...

< redirects the file descriptor number fd to file, then execs into prog....

Options

One and only one of the -r, -w, -u, -a, -c, or -x options must be given; the -n and -b options may be added in any case.

Notes

Special fifo handling

The -n and -b options are especially useful with named pipes.