On 02/23/2013 10:25 AM, Salvador Girbau wrote: > Hi all, > would it be possible to replace /usr/bin/[ with a symlink to /usr/bin/test ?
Not really. Although [ and test are compiled from the same sources, they are compiled with different macro definitions, and have different behavior (namely, whether --help is supported, and whether a ] must appear as the last command line argument). GNU Coding Standards recommend that programs never inspect argv[0] as a means of dynamically changing their behavior, and coreutils follows this rule by compiling two separate binaries with the two different behaviors, regardless of what the resulting binary finally gets named. If you want to go for minimal binary size, then busybox is a better project - that project has intentionally decided to base behavior on the name of argv[0], and hence can symlink both [ and test to the same busybox binary (along with a host of other utilties all crammed into one super-binary). But coreutils will not be adopting that approach. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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