Template loop detected: Template:Stub
Korn Shell
KSH is a Unix shell, it has scripting cabilities
Examples for loops in ksh
Simple for loop
for x in `ls .tar$` ; do echo "gzip $x" # gzip $x done
Simple while loop (infanitly repating)
while : do tail log.file sleep 23 clear done
If Else
Noarmal way
if [ -f /usr/bin/sudo ] ; then SUDO='/usr/bin/sudo' else SUDO= fi echo $SUDO
Sneeky way
[ -f /usr/bin/sudo ] && SUDO='/usr/bin/sudo' || SUDO= ; echo $SUDO