Content added Content deleted
imported>mutante mNo edit summary |
imported>DrOwl (added if else) |
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# gzip $x |
# gzip $x |
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done |
done |
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==If Else== |
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===Noarmal way=== |
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if [ -f /usr/bin/sudo ] ; then |
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SUDO='/usr/bin/sudo' |
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else |
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SUDO='' |
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fi |
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echo $SUDO |
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===Sneeky way=== |
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[ -f /usr/bin/sudo ] && SUDO='/usr/bin/sudo' || SUDO='' ; echo $SUDO |
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Revision as of 11:24, 9 July 2008
Template loop detected: Template:Stub
Korn Shell
KSH is a Unix shell, it has scripting cabilities
Examples for loops in ksh
Simple for loop
for x in `ls .tar$` ; 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