Three ksh scripting questions

liguorir · 05-01-2004, 12:50 PM

How do i read the following 'ksh' statements: ( I want to know what they do )

1) (( test != 0 )) && sleep 1
Additional question: Why are there double brackets.

2) for a in $b{[*]} ; do ...
Additional question: What does the[*] do?

3) ${b%[26]}
Additional question: What does the '26' do?

Please advise.

archtoad6 · 10-22-2005, 12:15 PM

Did you RTFM? There's the link if you need it. Also the bash man page is a good alternative.

phil.d.g · 10-22-2005, 12:40 PM

Sounds like a homework assignment to me

search google and/or read the ksh manual