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LSST v1.05r3 > Chapter 3 > How to de-bug the shell script?
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日期：2026-04-21
Press ctrl + d to save, and run it as $ chmod 755 dsh1.sh $ ./dsh1.sh 4 5 9 $ sh -x dsh1.sh 4 5 # # Script to show debug of shell # tot=`expr $1 + $2` expr $1 + $2 ++ expr 4 + 5 + tot=9 echo $tot + echo 9 9 See the above output, -x shows the exact values ...看更多
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