On Fri, Jun 19, 2009 at 8:43 AM, James Bensley <jwbensley at gmail.com> wrote: > Hey Guys n Gals; > > I have some arrays that I can't seem to expand correctly (if that's > the correct word?), imagine the following example: > > #!/bin/bash > myArray=("First" "Second" "Third") > > First=("Monday" "Tuesdays" "Wednesday") > Second=("One" "Two" "Three") > Third=("A" "B" "C") > > for ((i=0;i<${#myArray[@]};i++)) > do > for ((k=0;k<${#${myArray[$i]}[@]};k++)) # < Things go bad here! > do > echo "${${myArray[$i]}[$k]}" # I understand this line > is won't work but it doesn't matter right now > done > done > > So ultimatly we shall loop round each value in the myArray array and > print out the values in each array which has the same name as the > value in the myArray, array. > > Where I have marked with a comment, the script stops with the error- > > : bad substitution > > I have looked on-line but I don't quite understand how I can correct > this? I have seen other people have this error for other problems but > not one like mine so I don't fully understand it? Can anyone explain > to me exactly what is going wrong and how I might correct it? > How about this? Avoids the c=like for loop increments and just uses the array elements for the next loop ... #!/bin/bash myArray=("First" "Second" "Third") First=("Monday" "Tuesdays" "Wednesday") Second=("One" "Two" "Three") Third=("A" "B" "C") for i in ${myArray[@]}; do for k in ${i}; do eval TMP=\${$k[@]} echo ${TMP} done done -Bob -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20090619/c6568e3f/attachment-0004.html>