Nested If question


 
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# 8  
Old 10-10-2007
Quote:
Originally Posted by NycUnxer
Then this makes less sense. Wouldnt the move overwrite whats there if the old one exists anyway? I dont see the reason for the remove then.
not if you didn't specify 'mv -f'
'man mv' yields:
Code:
     -f      Do not prompt for confirmation before overwriting the destination
             path.  (The -f option overrides any previous -i or -n options.)

somewhat ugly coding, if you ask me.....
# 9  
Old 10-10-2007
Quote:
Originally Posted by devtakh
what about this- is this what u r looking for?

if [[ -s ${LOGFILE} ]] && [[ [[ -s ${LOGFILE}.old ]]; then
rm -f ${LOGFILE}.old
mv ${LOGFILE} ${LOGFILE}.old
fi


cheers,
Devaraj Takhellambam
./a.sh[1]: syntax error: `[[' missing expression operator

why do you have to check BOTH conditions?
why do you have to delete .old?
why cannot you just mv 'new' to 'old' if 'new' exists?
 
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