host - Unix or DOS command execution

Calling Sequence

stat=host(command-name)

Parameters

• command-name : A character string containing Unix sh instruction
• stat : An integer flag

Description

Sends a string command-name to Unix for execution by the command interpreter (sh under Unix, or command.com under DOS). Standard output and standard errors of the shell command are written in the calling shell. stat gives -1 if host can't be called (Not enough system memory available) or the command interpreter return code.

Examples

host("ls $SCI/demos");
host("emacs $SCI/demos/wheel2/Makefile");
deff('wd=getdir()','if MSDOS then host(''cd>''+TMPDIR+''\path'');..
                 else host(''pwd>''+TMPDIR+''/path'');end..
      wd=read(TMPDIR+''/path'',1,1,''(a)'')')
wd=getdir()
 

See Also

edit  manedit  unix_g  unix_s  unix_w  unix_x