#!/bin/bash
things=( first second third )
for i in ${things[@]}
do
echo $i
done
If the number of array elements is large, it can be useful to have one element per line:
things=( \
first \
second \
third \
)
23 March 2008
iterating through an array in bash
Every now and then I need to iterate through an array of items in a bash script, and I can never remember the syntax--I always have to look it up. So here's a quick example...
If the number of array elements is large, it can be useful to have one element per line:
If the number of array elements is large, it can be useful to have one element per line:
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3 comments:
If you want to loop through an array literally you can do it like this:
for i in file1 file2 file3
do
...
done
thanks for documenting syntax. I wish I knew what the @ sign is doing. is the another variable indicator like $?
anyway I plan to write a script to remove my log and aux files after compiling a xelatex document.
The @ symbol is an array subscript which causes the word (things[@]) to expand to all members of the things array. (See the "Arrays" section of the bash man page.)
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