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我也补充点东西,和大家分享!注意双引号的用法!
- echo|awk 'BEGIN {a=1.234;var=" is a number";}
- {b=avar;print "b=[avar],res=["b"]"}
- {b=a var;print "b=[a var],res=["b"]"}
- {b="a var";print "b=[\"a var\"],res=["b"]"}
- {b="a" var;print "b=[\"a\" var],res=["b"]"}
- {b=""a" var";print "b=[\"\"a\" var\"],res=["b"]"}'
- #{b='a var';print "b=[a var],res=["b"]"}'
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运行结果:
- b=[avar],res=[]
- b=[a var],res=[1.234 is a number]
- b=["a var"],res=[a var]
- b=["a" var],res=[a is a number]
- b=[""a" var"],res=[1.234 var]
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[ 本帖最后由 ruifox 于 2006-7-24 16:38 编辑 ] |
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