aesub(1) aesub(1) NNAAMMEE aesub - substitute and echo strings SSYYNNOOPPSSIISS aaeessuubb [ _o_p_t_i_o_n... ] string ... aaeessuubb --HHeellpp aaeessuubb --VVEERRSSiioonn DDEESSCCRRIIPPTTIIOONN The _a_e_s_u_b command is used to perform the usual _a_e_s_u_b(5) substitutions on its command line arguments, and then echo them to the standard output. SShheellll SSccrriipptt QQuuoottiinngg The _a_e_s_u_b(1) command is often used in shell scripts. It is important to remember that the shell will do its own substitutions on the command line argument _b_e_f_o_r_e it invokes the _a_e_s_u_b(1) command. Usually, you don't want this to happen, so you need to use _s_i_n_g_l_e (') quotes to do this. (The shell continues to substitute inside double (") quotes.) Quote _a_e_s_u_b(1) arguments using ' _s_i_n_g_l_e ' quotes. OOPPTTIIOONNSS The following options are understood: --BBaasseeLLiinnee This option may be used to specify that the project baseline is the subject of the command. --CChhaannggee _n_u_m_b_e_r This option may be used to specify a particular change within a project. When no --CChhaannggee option is specified, the _A_E_G_I_S___C_H_A_N_G_E environment variable is consulted. If that does not exist, the user's _$_H_O_M_E_/_._a_e_g_i_s_r_c file is examined for a default change field (see _a_e_u_c_o_n_f(5) for more information). If that does not exist, when the user is only working on one change within a project, that is the default change number. Otherwise, it is an error. --HHeellpp This option may be used to obtain more information about how to use the _a_e_s_u_b program. --PPrroojjeecctt _n_a_m_e This option may be used to select the project of interest. When no --PPrroojjeecctt option is specified, the _A_E_G_I_S___P_R_O_J_E_C_T environment variable is consulted. If that does not exist, the user's _$_H_O_M_E_/_._a_e_g_i_s_r_c file is examined for a default project field (see _a_e_u_c_o_n_f(5) for more information). If that does not exist, when the user is only working on changes within a single project, the project name defaults to that project. Otherwise, it is an error. See also _a_e_g_i_s(1) for options common to all aegis commands. All options may be abbreviated; the abbreviation is documented as the upper case letters, all lower case letters and underscores (_) are optional. You must use consecutive sequences of optional letters. All options are case insensitive, you may type them in upper case or lower case or a combination of both, case is not important. For example: the arguments "-project, "-PROJ" and "-p" are all interpreted to mean the --PPrroojjeecctt option. The argument "-prj" will not be understood, because consecutive optional characters were not supplied. Options and other command line arguments may be mixed arbitrarily on the command line, after the function selectors. The GNU long option names are understood. Since all option names for _a_e_s_u_b are long, this means ignoring the extra leading '-'. The "----_o_p_t_i_o_n==_v_a_l_u_e" convention is also understood. EEXXIITT SSTTAATTUUSS The _a_e_s_u_b command will exit with a status of 1 on any error. The _a_e_s_u_b command will only exit with a status of 0 if there are no errors. EENNVVIIRROONNMMEENNTT VVAARRIIAABBLLEESS See _a_e_g_i_s(1) for a list of environment variables which may affect this command. SSEEEE AALLSSOO aaeessuubb(5) Available string substitutions. CCOOPPYYRRIIGGHHTT aesub version .C001 Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 Peter Miller; All rights reserved. The aesub program comes with ABSOLUTELY NO WARRANTY; for details use the '_a_e_s_u_b _-_V_E_R_S_i_o_n _L_i_c_e_n_s_e' command. This is free software and you are welcome to redistribute it under certain conditions; for details use the '_a_e_s_u_b _-_V_E_R_S_i_o_n _L_i_c_e_n_s_e' command. AAUUTTHHOORR Peter Miller E-Mail: millerp@canb.auug.org.au /\/\* WWW: http://www.canb.auug.org.au/~millerp/ Reference Manual Aegis 1