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Annotation of coherent/a/usr/man/MULTI/system, revision 1.1

1.1     ! root        1: 
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        !             3: system()                 General Function                system()
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        !             7: 
        !             8: Pass a command to the shell for execution
        !             9: 
        !            10: iinntt ssyysstteemm(_c_o_m_m_a_n_d_l_i_n_e) cchhaarr *_c_o_m_m_a_n_d_l_i_n_e;
        !            11: 
        !            12: system passes  _c_o_m_m_a_n_d_l_i_n_e to the  shell sshh, which  loads it into
        !            13: memory and  executes it.  ssyysstteemm executes  commands exactly as if
        !            14: they had been typed at the COHERENT command level.  system may be
        !            15: used  by commands  such as  ed,  which can  pass commands  to the
        !            16: COHERENT shell  in addition to processing  normal interactive re-
        !            17: quests.
        !            18: 
        !            19: ***** Example *****
        !            20: 
        !            21: This example uses ssyysstteemm to list  the names of all C source files
        !            22: in the parent directory.
        !            23: 
        !            24: 
        !            25: #include <stdio.h>
        !            26: main()
        !            27: {
        !            28:         system("cd .. ; ls *.c > mytemp; cat mytemp");
        !            29: }
        !            30: 
        !            31: 
        !            32: ***** See Also *****
        !            33: 
        !            34: exec, fork(), general functions, popen(), wait
        !            35: 
        !            36: ***** Diagnostics *****
        !            37: 
        !            38: ssyysstteemm returns the exit status  of the child process, in the for-
        !            39: mat described  in wait: exit status in the  high byte, signal in-
        !            40: formation in the  low byte.  Zero normally means success, whereas
        !            41: nonzero normally  means failure.   This, however, depends  on the
        !            42: command.   If  the  shell is  not  executable,  system returns  a
        !            43: special code of octal 0177.
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        !            64: COHERENT Lexicon                                           Page 1
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