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"funny feature" in ksh

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ogniemi

ogniemi

Technical User
Nov 7, 2003
1,041
PL
root@boxb# pwd
/
root@boxb# ls -ld /usr/123
ls: 0653-341 The file /usr/123 does not exist.
root@boxb# [ -d /usr/123/456/789/../../../bin ]
root@boxb# echo $?
1
root@boxb# cd /usr/123/456/789/../../../bin
root@boxb# echo $?
0
root@boxb# pwd
/usr/bin
 
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The cd builtin in ksh apparently 'calculates' where you want it to go, then moves in one swift motion...

The cd in bsh, csh or bash move one dir at a time and will fail on the first non-existent dir.



HTH,

p5wizard
 
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