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Trimmed-down bourne-like shell
-------------------------------------------------------------------------------- YetAnotherShell -------------------------------------------------------------------------------- Copyright (c) 2010 Hugues Bruant & Nicolas Paglieri. All rights reserved YetAnotherShell is a bourne-like shell written in C and licensed under GPL3. -------------------------------------------------------------------------------- I. BUILD A qmake project file is provided. Compiling is just as easy as: $ qmake && make A default Makefile is provided in case qmake is not available. By default YAS uses readline as its input backend. If readline is not available it can be built with a simplified input backend. To disable the readline backend you can either : # comment out / remove the line "CONFIG += readline" from yas.prog # remove "-DYAS_USE_READLINE" and "-lreadline -lncurses" from the default Makefile A full rebuild is needed for the configuration change to take effect : $ make clean && qmake && make or, if using the default Makefile : $ make clean && make II. USE $ yas The program then behaves like a standard shell. Type "exit" to quit. You can use "liste_ps" or "list_tasks" (same command) to get the statuses of all the tasks running background. III. DOCUMENTATION The documentation is provided as doxygen (see ./doc/html/index.html). You can regenerate it in case it has evolved or isn't present by doing : $ doxygen IV. POSSIBLE IMPROVEMENTS # better error reporting (exec.c) # completion of executables in $PATH # management of user-defined variables # management of special variables ($0..$n $? $0) # complex redirections like >> 2>1 &> # implementation of && and || # arithmetic expansion # logic, control flow & functions
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