我的bash命令都不起作用，所以我无法安装apache ant

Question

我试图安装apache ant但很多我的bash命令都不起作用。 我进入了

echo $PATH

并且回到了很长的路上

/Users/arthurlecalvez/.rbenv/bin:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/bin:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/bin::/usr/local/bin:/Users/arthurlecalvez/adt/sdk/tools:/Users/arthurlecalvez/ant/bin:/usr/local/bin:/Users/arthurlecalvez/ant/bin:/System/Library/Frameworks/JavaVM.framework/Home:/usr/local/bin:/Users/arthurlecalvez/ant/bin::/Users/arthurlecalvez/ant/bin:/Users/arthurlecalvez/ant/bin:/usr/local/bin:/System/Library/Frameworks/JavaVM.framework/Home:/Users/arthurlecalvez/ant/bin:/usr/local/bin:/System/Library/Frameworks/JavaVM.framework/Home:/Users/arthurlecalvez/ant/bin

我如何解决此问题

Answer 1

运行
PATH="/usr/bin:/bin:$PATH"
显然，$PATH中的大多数目录都位于Library目录或/Users/arthurlecalvez中，两者都没有默认情况下是bash命令。显然某些命令有效，因为$PATH包含/usr/local/bin，但大部分都不会。