trim                  package:gdata                  R Documentation

_R_e_m_o_v_e _l_e_a_d_i_n_g _a_n_d _t_r_a_i_l_i_n_g _s_p_a_c_e_s _f_r_o_m _c_h_a_r_a_c_t_e_r _s_t_r_i_n_g_s

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

     Remove leading and traling spaces from character strings

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

     trim(s)

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

       s: object to be processed

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

     'trim' is a generic function, where default method does nothing,
     while method for character 's' trims its elements and method for
     factor 's' trims 'levels'. There are also methods for 'list' and
     'data.frame'.

_V_a_l_u_e:

     's' with all leading and traling spaces removed in its elements.

_A_u_t_h_o_r(_s):

     Gregory R. Warnes warnes@bst.rochester.edu

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

     'sub', 'gsub'

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

     s <- "    this is an example string    "
     trim(s)

     f <- c(s, s, " A", " B ", "  C ", "D ")
     trim(f)

     l <- list(s=rep(s, times=6), f=f, i=1:6)
     trim(l)

     df <- as.data.frame(l)
     trim(df)

