Shell Programming and Scripting

Hai ,

I Have Some x.txt file in which has the following data

x.txt

HI, How Are u
r u fine
/home/Sanju/samp.html
/root/Sanju/design/sample


now in tcl i have the following script

set fp [open x.txt r+ 0600]
while { [gets $fp line ] >= 0 } {
puts $line
}
close $fp


now if i run the program the lines in the file will be displayed one after the other ,

but now i want to display the file in different order like

1. first line to last line
2 .last line to first line
3 . display 1,3 ,5 and then 2,4 ,etc but all lines must display

how can i do that
plz help me


Sanju

one is:

set fhndl [open "filename" r]
gets $fhndl line
while {$line != ""} {
puts $line
gets $fhndl line
}
close $fhndl

other is:

set fhndl [open "filename" r]
set all [read $fhndl]
set lines [split $all "\n"]
foreach line $lines {
# do line processing here
}
close $fhndl



REST ALL YOU CAN BUILD AROUND THIS.....