04-07-2010
hi grepFruit,
thanks for replying, but i want the script to run on all machines, so i dont think so i'll be able to use "readlink" (i found that its not working on SunOS 5.10).
---------- Post updated at 07:18 PM ---------- Previous update was at 06:54 PM ----------
hi ygemici,
thnx for replying,
with the suggestion provided i am able to get absolute script path when i run script from the directoy where it is situated i.e. using ./test.sh.
# cat test.sh
currentpath="`pwd`/"
currentscript=`echo $0 | sed 's/^[./]*//'`
echo "currentscript : $currentscript"
echo "script name: $currentpath$currentscript"
# ./test.sh
currentscript : test.sh
script name: /my/test/dir/test.sh
but my real concern is in situation where i run script using ../ as in following case
# pwd
/my/test1
bash-3.00# ../test/dir/test.sh
currentscript : test/dir/test.sh
script name: /my/test1/test/dir/test.sh
bash-3.00#
scriptname should have been "/my/test/dir/test.sh"
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LEARN ABOUT OPENDARWIN
while
while(n) Tcl Built-In Commands while(n)
__________________________________________________________________________________________________________________________________________________
NAME
while - Execute script repeatedly as long as a condition is met
SYNOPSIS
while test body
_________________________________________________________________
DESCRIPTION
The while command evaluates test as an expression (in the same way that expr evaluates its argument). The value of the expression must a
proper boolean value; if it is a true value then body is executed by passing it to the Tcl interpreter. Once body has been executed then
test is evaluated again, and the process repeats until eventually test evaluates to a false boolean value. Continue commands may be exe-
cuted inside body to terminate the current iteration of the loop, and break commands may be executed inside body to cause immediate termi-
nation of the while command. The while command always returns an empty string.
Note: test should almost always be enclosed in braces. If not, variable substitutions will be made before the while command starts execut-
ing, which means that variable changes made by the loop body will not be considered in the expression. This is likely to result in an
infinite loop. If test is enclosed in braces, variable substitutions are delayed until the expression is evaluated (before each loop iter-
ation), so changes in the variables will be visible. For an example, try the following script with and without the braces around $x<10:
set x 0
while {$x<10} {
puts "x is $x"
incr x
}
SEE ALSO
break(n), continue(n), for(n), foreach(n)
KEYWORDS
boolean value, loop, test, while
Tcl while(n)