Hello, > --- Ursprüngliche Nachricht --- ... > > That's how the script is right now. I thought it would be nice to use > a few extra features of bash, changed the first line and found this > "change of directory" problem... I thought it was funny, since in the > Linux machines (where I had that problem) /bin/sh is a link to > /bin/bash, so I was expecting to see no difference with the change... > /bin/sh exists for compatability with the legacy Bourne shell and does not provide bash-specific features. In APP 1 I had a ~bash_cmd_rc file with some output in the BASH_ENV, and it is ignored by /bin/sh, even if /bin/sh is a softlink to /bin/bash on my machine. Having a softlink or several softlinks to the same executable is quite a common pattern in Unix. Every binary can read the name under which it was executed and make decisions on that. You can also use that in shellscripts (APP 2) where the $0 contains the name of the script. Regards, Roland APP 1: ===== [EMAIL PROTECTED]:/usr/local/home/roland_NEW$ BASH_ENV=~/.bash_cmd_rc bash -c 'echo MMMMMMMMMMMMMMMM' bash called ... UID PID PPID C STIME TTY TIME CMD roland 9658 9627 0 Jan05 pts/6 00:00:00 /bin/bash roland 10411 9658 0 00:22 pts/6 00:00:00 bash -c echo MMMMMMMMMMMMMMMM roland 10412 10411 0 00:22 pts/6 00:00:00 ps -f MMMMMMMMMMMMMMMM [EMAIL PROTECTED]:/usr/local/home/roland_NEW$ BASH_ENV=~/.bash_cmd_rc sh -c 'echo MMMMMMMMMMMMMMMM' MMMMMMMMMMMMMMMM APP 2: ===== foo.sh: #!/bin/sh echo I was invoked as $0 if [ `basename $0` == "a" ] then echo AAAAAAAAAAAAAAAAAAAA elsif [ `basename $0` == "b" ] echo BBBBBBBBBBBBBBBBBBBBBBBBB else echo Dont know fi $ ln -s foo.sh a $ ln -s foo.sh b [EMAIL PROTECTED]:/usr/local/home/roland_NEW$ ./a I was invoked as ./a AAAAAAAAAAAAAAAAAAAA [EMAIL PROTECTED]:/usr/local/home/roland_NEW$ ./b I was invoked as ./b BBBBBBBBBBBBBBBBBBBBBBBBB > Thanks! > > Luis >
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