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strang thing happend in doing loops over string array



Hi,

I have run this command in ferret v5.41 in linux system.

let name = {"a","b","c","d"}

repeat/i=1:4 (define symbol ii `i`;SAY `name[i=($ii)]`)

I got ---------------------------------------------------------

yes? repeat/i=1:4 (define symbol ii `i`;SAY `name[i=($ii)]`)
!-> repeat/i=1:4 (define symbol ii `i`;SAY `name[i= ]`)
!-> REPEAT: I=1
!-> define symbol ii 1
**ERROR: command syntax: I=
MESSAGE/CONTINUE `name[i= ]`
Command file, command group, or REPEAT execution aborted
----------------------------------------------------------------------------------------

command

repeat/i=1:4 (define symbol ii `i`;SAY `name[i=($ii)]`)

again and got
------------------------------------------------------------------------------
!-> repeat/i=1:4 (define symbol ii `i`;SAY `name[i=1]`)
!-> REPEAT: I=1
!-> define symbol ii 1
!-> MESSAGE/CONTINUE a
a
!-> REPEAT: I=2
!-> define symbol ii 2
!-> MESSAGE/CONTINUE a
a
!-> REPEAT: I=3
!-> define symbol ii 3
!-> MESSAGE/CONTINUE a
a
!-> REPEAT: I=4
!-> define symbol ii 4
!-> MESSAGE/CONTINUE a
a
--------------------------------------------------
command

repeat/i=1:4 (define symbol ii `i`;SAY `name[i=($ii)]`)

once more and got

------------------------------------------------------------------
!-> repeat/i=1:4 (define symbol ii `i`;SAY `name[i=4]`)
!-> REPEAT: I=1
!-> define symbol ii 1
!-> MESSAGE/CONTINUE d
d
!-> REPEAT: I=2
!-> define symbol ii 2
!-> MESSAGE/CONTINUE d
d
!-> REPEAT: I=3
!-> define symbol ii 3
!-> MESSAGE/CONTINUE d
d
!-> REPEAT: I=4
!-> define symbol ii 4
!-> MESSAGE/CONTINUE d
d
----------------------------------------------------

NONE of these are correct.

What's wrong with this loop


Thanks

Xin



--
________________________________________

Xin Jin
Inst.of Geophysics and Planetary Physics
University of California Los Angeles
5845 Slichter Hall
Los Angeles, CA 90095-4996, USA
phone: (310) 825 4526
fax : (310) 206 3051
email: xjin@igpp.ucla.edu




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