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重命名文件的脚本

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重命名文件的脚本

非常感谢您的帮助。我编写了一个脚本来重命名所有 .BMP 文件，它似乎有效，但我收到每个文件的以下错误/消息：

IM2019.BMP
mv: cannot stat `IM2000.BMP': No such file or directory
mv: cannot stat `IM2001.BMP': No such file or directory
mv: cannot stat `IM2002.BMP': No such file or directory
mv: cannot stat `IM2003.BMP': No such file or directory
mv: cannot stat `IM2004.BMP': No such file or directory
mv: cannot stat `IM2005.BMP': No such file or directory
mv: cannot stat `IM2006.BMP': No such file or directory
mv: cannot stat `IM2007.BMP': No such file or directory
mv: cannot stat `IM2008.BMP': No such file or directory
mv: cannot stat `IM2009.BMP': No such file or directory
mv: cannot stat `IM2010.BMP': No such file or directory
mv: cannot stat `IM2011.BMP': No such file or directory
mv: cannot stat `IM2012.BMP': No such file or directory
mv: cannot stat `IM2013.BMP': No such file or directory
mv: cannot stat `IM2014.BMP': No such file or directory
mv: cannot stat `IM2015.BMP': No such file or directory
mv: cannot stat `IM2016.BMP': No such file or directory
mv: cannot stat `IM2017.BMP': No such file or directory
mv: cannot stat `IM2018.BMP': No such file or directory
mv: cannot stat `IM2019.BMP': No such file or directory

我在目录中有以下文件：

hristo@HassanGrad27:~/Desktop/Test$ ls
IM0000.BMP  IM0011.BMP  IM1002.BMP  IM1013.BMP  IM2004.BMP  IM2015.BMP
IM0001.BMP  IM0012.BMP  IM1003.BMP  IM1014.BMP  IM2005.BMP  IM2016.BMP
IM0002.BMP  IM0013.BMP  IM1004.BMP  IM1015.BMP  IM2006.BMP  IM2017.BMP
IM0003.BMP  IM0014.BMP  IM1005.BMP  IM1016.BMP  IM2007.BMP  IM2018.BMP
IM0004.BMP  IM0015.BMP  IM1006.BMP  IM1017.BMP  IM2008.BMP  IM2019.BMP
IM0005.BMP  IM0016.BMP  IM1007.BMP  IM1018.BMP  IM2009.BMP  rename
IM0006.BMP  IM0017.BMP  IM1008.BMP  IM1019.BMP  IM2010.BMP  rename~
IM0007.BMP  IM0018.BMP  IM1009.BMP  IM2000.BMP  IM2011.BMP  stringtest
IM0008.BMP  IM0019.BMP  IM1010.BMP  IM2001.BMP  IM2012.BMP  stringtest~
IM0009.BMP  IM1000.BMP  IM1011.BMP  IM2002.BMP  IM2013.BMP
IM0010.BMP  IM1001.BMP  IM1012.BMP  IM2003.BMP  IM2014.BMP

我可以将我的文件重命名为：

hristo@HassanGrad27:~/Desktop/Test$ ls
cam1-0.BMP   cam1-3.BMP   cam2-15.BMP  cam2-9.BMP   cam3-2.BMP
cam1-10.BMP  cam1-4.BMP   cam2-16.BMP  cam3-0.BMP   cam3-3.BMP
cam1-11.BMP  cam1-5.BMP   cam2-17.BMP  cam3-10.BMP  cam3-4.BMP
cam1-12.BMP  cam1-6.BMP   cam2-18.BMP  cam3-11.BMP  cam3-5.BMP
cam1-13.BMP  cam1-7.BMP   cam2-19.BMP  cam3-12.BMP  cam3-6.BMP
cam1-14.BMP  cam1-8.BMP   cam2-1.BMP   cam3-13.BMP  cam3-7.BMP
cam1-15.BMP  cam1-9.BMP   cam2-2.BMP   cam3-14.BMP  cam3-8.BMP
cam1-16.BMP  cam2-0.BMP   cam2-3.BMP   cam3-15.BMP  cam3-9.BMP
cam1-17.BMP  cam2-10.BMP  cam2-4.BMP   cam3-16.BMP  rename
cam1-18.BMP  cam2-11.BMP  cam2-5.BMP   cam3-17.BMP  rename~
cam1-19.BMP  cam2-12.BMP  cam2-6.BMP   cam3-18.BMP  stringtest
cam1-1.BMP   cam2-13.BMP  cam2-7.BMP   cam3-19.BMP  stringtest~
cam1-2.BMP   cam2-14.BMP  cam2-8.BMP   cam3-1.BMP

这是脚本：

#!/bin/bash

# Specify directory
for i in $(ls *.BMP) 
    do str="$i"
    echo $str
    charim=${str:2:1}
    #echo $charim

    if [ "$charim" -eq 0 ] && [ "$charim" -ne 1 ] && [ "$charim" -ne 2 ];       then
        #echo "1"
        for j in {0..9}
        do mv IM000$j.BMP cam1-$j.BMP
        done
        for j in {10..19}
        do mv IM00$j.BMP cam1-$j.BMP
        done
    fi 

    if [ "$charim" -ne 0 ] && [ "$charim" -eq 1 ] && [ "$charim" -ne 2 ];       then
    #echo "2"
        for j in {0..9}
        do mv IM100$j.BMP cam2-$j.BMP
        done
        for j in {10..19}
        do mv IM10$j.BMP cam2-$j.BMP
        done
    fi

    if [ "$charim" -ne 0 ] && [ "$charim" -ne 1 ] && [ "$charim" -eq 2 ];       then
    #echo "3"
        for j in {0..9}
        do mv IM200$j.BMP cam3-$j.BMP
        done
        for j in {10..19}
        do mv IM20$j.BMP cam3-$j.BMP
        done
    fi

done

什么原因导致错误/警告？

多谢

答案1

for f in IM*.BMP; do
    n1=${f:2:1}
    n2=${f:3:3}
    new="cam$(( n1 + 1 ))-$(( 10#$n2 )).BMP"
    echo mv "$f" "$new"
done

$(( ... ))是算术扩展。10#$n2强制将 n2 变量的内容作为十进制数处理，并删除前导零：您不能使用，$(( n2 + 0 ))因为您会得到 n2 == 008 的“无效八进制”错误。$在算术表达式中是可选的，除非您使用根据# 符号

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