nwsFindTryFile              package:nws              R Documentation

_n_e_t_W_o_r_k_S_p_a_c_e _C_l_a_s_s _M_e_t_h_o_d

_D_e_s_c_r_i_p_t_i_o_n:

     Find a value of a workspace variable and write it to a file.

_U_s_a_g_e:

     ## S4 method for signature 'netWorkSpace':
     nwsFindTryFile(.Object, xName, fObj)

_A_r_g_u_m_e_n_t_s:

 .Object: a netWorkSpace object

   xName: name of the variable to find

    fObj: File to write data to

_D_e_t_a_i_l_s:

     The nwsFindTryFile method trys to find a value in the variable
     specified by 'xName'.  If found, it writes the value to the file
     object, and the method returns TRUE.  If it is not found, it
     simply returns FALSE.

_S_e_e _A_l_s_o:

     'nwsFetchTryFile', 'nwsFindTry'

_E_x_a_m_p_l_e_s:

     ## Not run: 
     ws <- netWorkSpace('nws example')
     nwsStore(ws, 'x', 'Hello, world\n')
     if (nwsFindTryFile(ws, 'x', 'hello.txt')) {
       cat('success\n')
     } else {
       cat('failure\n')
     }
     ## End(Not run)

