# !/bin/bash
# filename:keep.sh
cmdself=$0
echo $cmdself # ./keep.sh
#截取字符/后面所有字符
cmdfilename=${cmdself#*/}
echo $cmdfilename # keep.sh
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# !/bin/bash
# filename:keep.sh
cmdself=$0
echo $cmdself # ./keep.sh
#截取字符/后面所有字符
cmdfilename=${cmdself#*/}
echo $cmdfilename # keep.sh