我为cp编写了一个支持脚本，称为CP（请注意大写字母），旨在完成此操作。脚本将检查您输入的路径中是否有错误（最后一个目标除外），如果一切正常，它将执行mkdir -p步骤以在开始复制之前创建目标路径。此时，常规cp实用程序将接管，并且您与CP一起使用的任何开关（如-r，-p，-rpL都将直接传递给cp）。在使用我的脚本之前，需要了解一些内容。
- 可以通过执行CP --help来访问此处的所有信息。CP --help-all包括cp的开关。
- 如果找不到目标路径，常规cp将不会执行复制。您没有CP的错字安全网。您的目的地将被创建，因此如果您将目的地拼写错误为/ usrr / share / icons或/ usr / share / icon，那么将要创建该目的地。
- 常规cp倾向于在现有路径上对其行为进行建模：cp / a / b / c / d将根据d是否存在而有所不同。如果d是现有文件夹，则cp会将b复制到该文件夹中，即/ c / d / b。如果d不存在，则b将被复制到c并重命名为d。如果d存在但是文件，而b是文件，它将被b的副本覆盖。如果c不存在，则cp不执行复制并退出。
CP不能从现有路径中获取线索，因此必须具有一些非常牢固的行为模式。CP假定您要复制的项目被放置在目标路径中，而不是目标本身（也就是源文件/文件夹的重命名副本）。含义：
- 如果d是文件夹，则“ CP / a / b / c / d”将导致/ c / d / b
- 如果/ c / b中的b是文件夹，则“ CP / a / b / c / b”将导致/ c / b / b。
- 如果b和d均为文件：CP / a / b / c / d将生成/ c / d（其中d是b的副本）。在相同情况下，CP / a / b / c / b相同。
可以使用“ --rename”开关更改默认的CP行为。在这种情况下，假设
- “ CP --rename / a / b / c / d”将b复制到/ c并将副本重命名为d。
结束语：与cp一样，CP一次可以复制多个项目，并且列出的最后一个路径被假定为目的地。只要您使用引号，它也可以处理带有空格的路径。
CP将检查您放入的路径，并确保它们在复制之前存在。在严格模式下（可通过--strict开关使用），所有要复制的文件/文件夹必须存在或不进行复制。在放松模式（松弛）下，如果您列出的至少一项存在，则复制将继续。宽松模式是默认模式，您可以通过开关临时更改模式，也可以通过在脚本开头设置变量easy_going永久更改模式。
安装方法如下：
在非root用户终端中，执行以下操作：
sudo echo > /usr/bin/CP; sudo chmod +x /usr/bin/CP; sudo touch /usr/bin/CP
gedit admin:///usr/bin/CP
在gedit中，粘贴CP实用程序并保存：
#!/bin/bash
#Regular cp works with the assumption that the destination path exists and if it doesn't, it will verify that it's parent directory does.
#eg: cp /a/b /c/d will give /c/d/b if folder path /c/d already exists but will give /c/d (where d is renamed copy of b) if /c/d doesn't exists but /c does.
#CP works differently, provided that d in /c/d isn't an existing file, it assumes that you're copying item into a folder path called /c/d and will create it if it doesn't exist. so CP /a/b /c/d will always give /c/d/b unless d is an existing file. If you put the --rename switch, it will assume that you're copying into /c and renaming the singl item you're copying from b to d at the destination. Again, if /c doesn't exist, it will be created. So CP --rename /a/b /c/d will give a /c/d and if there already a folder called /c/d, contents of b will be merged into d.
#cp+ $source $destination
#mkdir -p /foo/bar && cp myfile "$_"
err=0 # error count
i=0 #item counter, doesn't include destination (starts at 1, ex. item1, item2 etc)
m=0 #cp switch counter (starts at 1, switch 1, switch2, etc)
n=1 # argument counter (aka the arguments inputed into script, those include both switches and items, aka: $1 $2 $3 $4 $5)
count_s=0
count_i=0
easy_going=true #determines how you deal with bad pathes in your copy, true will allow copy to continue provided one of the items being copied exists, false will exit script for one bad path. this setting can also be changed via the custom switches: --strict and --not-strict
verbal="-v"
help="===============================================================================\
\n CREATIVE COPY SCRIPT (CP) -- written by thebunnyrules\
\n===============================================================================\n
\n This script (CP, note capital letters) is intended to supplement \
\n your system's regular cp command (note uncapped letters). \n
\n Script's function is to check if the destination path exists \
\n before starting the copy. If it doesn't it will be created.\n
\n To make this happen, CP assumes that the item you're copying is \
\n being dropped in the destination path and is not the destination\
\n itself (aka, a renamed copy of the source file/folder). Meaning:\n
\n * \"CP /a/b /c/d\" will result in /c/d/b \
\n * even if you write \"CP /a/b /c/b\", CP will create the path /a/b, \
\n resulting in /c/b/b. \n
\n Of course, if /c/b or /c/d are existing files and /a/b is also a\
\n file, the existing destination file will simply be overwritten. \
\n This behavior can be changed with the \"--rename\" switch. In this\
\n case, it's assumed that \"CP --rename /a/b /c/d\" is copying b into /c \
\n and renaming the copy to d.\n
\n===============================================================================\
\n CP specific help: Switches and their Usages \
\n===============================================================================\n
\
\n --rename\tSee above. Ignored if copying more than one item. \n
\n --quiet\tCP is verbose by default. This quiets it.\n
\n --strict\tIf one+ of your files was not found, CP exits if\
\n\t\tyou use --rename switch with multiple items, CP \
\n\t\texits.\n
\n --relaxed\tIgnores bad paths unless they're all bad but warns\
\n\t\tyou about them. Ignores in-appropriate rename switch\
\n\t\twithout exiting. This is default behavior. You can \
\n\t\tmake strict the default behavior by editing the \
\n\t\tCP script and setting: \n
\n\t\teasy_going=false.\n
\n --help-all\tShows help specific to cp (in addition to CP)."
cp_hlp="\n\nRegular cp command's switches will still work when using CP.\
\nHere is the help out of the original cp command... \
\n\n===============================================================================\
\n cp specific help: \
\n===============================================================================\n"
outro1="\n******************************************************************************\
\n******************************************************************************\
\n******************************************************************************\
\n USE THIS SCRIPT WITH CARE, TYPOS WILL GIVE YOU PROBLEMS...\
\n******************************************************************************\
\n******************************* HIT q TO EXIT ********************************\
\n******************************************************************************"
#count and classify arguments that were inputed into script, output help message if needed
while true; do
eval input="\$$n"
in_=${input::1}
if [ -z "$input" -a $n = 1 ]; then input="--help"; fi
if [ "$input" = "-h" -o "$input" = "--help" -o "$input" = "-?" -o "$input" = "--help-all" ]; then
if [ "$input" = "--help-all" ]; then
echo -e "$help"$cp_hlp > /tmp/cp.hlp
cp --help >> /tmp/cp.hlp
echo -e "$outro1" >> /tmp/cp.hlp
cat /tmp/cp.hlp|less
cat /tmp/cp.hlp
rm /tmp/cp.hlp
else
echo -e "$help" "$outro1"|less
echo -e "$help" "$outro1"
fi
exit
fi
if [ -z "$input" ]; then
count_i=$(expr $count_i - 1 ) # remember, last item is destination and it's not included in cound
break
elif [ "$in_" = "-" ]; then
count_s=$(expr $count_s + 1 )
else
count_i=$(expr $count_i + 1 )
fi
n=$(expr $n + 1)
done
#error condition: no items to copy or no destination
if [ $count_i -lt 0 ]; then
echo "Error: You haven't listed any items for copying. Exiting." # you didn't put any items for copying
elif [ $count_i -lt 1 ]; then
echo "Error: Copying usually involves a destination. Exiting." # you put one item and no destination
fi
#reset the counter and grab content of arguments, aka: switches and item paths
n=1
while true; do
eval input="\$$n" #input=$1,$2,$3,etc...
in_=${input::1} #first letter of $input
if [ "$in_" = "-" ]; then
if [ "$input" = "--rename" ]; then
rename=true #my custom switches
elif [ "$input" = "--strict" ]; then
easy_going=false #exit script if even one of the non-destinations item is not found
elif [ "$input" = "--relaxed" ]; then
easy_going=true #continue script if at least one of the non-destination items is found
elif [ "$input" = "--quiet" ]; then
verbal=""
else
#m=$(expr $m + 1);eval switch$m="$input" #input is a switch, if it's not one of the above, assume it belongs to cp.
switch_list="$switch_list \"$input\""
fi
elif ! [ -z "$input" ]; then #if it's not a switch and input is not empty, it's a path
i=$(expr $i + 1)
if [ ! -f "$input" -a ! -d "$input" -a "$i" -le "$count_i" ]; then
err=$(expr $err + 1 ); error_list="$error_list\npath does not exit: \"b\""
else
if [ "$i" -le "$count_i" ]; then
eval item$i="$input"
item_list="$item_list \"$input\""
else
destination="$input" #destination is last items entered
fi
fi
else
i=0
m=0
n=1
break
fi
n=$(expr $n + 1)
done
#error condition: some or all item(s) being copied don't exist. easy_going: continue if at least one item exists, warn about rest, not easy_going: exit.
#echo "err=$err count_i=$count_i"
if [ "$easy_going" != true -a $err -gt 0 -a $err != $count_i ]; then
echo "Some of the paths you entered are incorrect. Script is running in strict mode and will therefore exit."
echo -e "Bad Paths: $err $error_list"
exit
fi
if [ $err = $count_i ]; then
echo "ALL THE PATHS you have entered are incorrect! Exiting."
echo -e "Bad Paths: $err $error_list"
fi
#one item to one destination:
#------------------------------
#assumes that destination is folder, it does't exist, it will create it. (so copying /a/b/c/d/firefox to /e/f/firefox will result in /e/f/firefox/firefox
#if -rename switch is given, will assume that the top element of destination path is the new name for the the item being given.
#multi-item to single destination:
#------------------------------
#assumes destination is a folder, gives error if it exists and it's a file. -rename switch will be ignored.
#ERROR CONDITIONS:
# - multiple items being sent to a destination and it's a file.
# - if -rename switch was given and multiple items are being copied, rename switch will be ignored (easy_going). if not easy_going, exit.
# - rename option but source is folder, destination is file, exit.
# - rename option but source is file and destination is folder. easy_going: option ignored.
if [ -f "$destination" ]; then
if [ $count_i -gt 1 ]; then
echo "Error: You've selected a single file as a destination and are copying multiple items to it. Exiting."; exit
elif [ -d "$item1" ]; then
echo "Error: Your destination is a file but your source is a folder. Exiting."; exit
fi
fi
if [ "$rename" = true ]; then
if [ $count_i -gt 1 ]; then
if [ $easy_going = true ]; then
echo "Warning: you choose the rename option but are copying multiple items. Ignoring Rename option. Continuing."
else
echo "Error: you choose the rename option but are copying multiple items. Script running in strict mode. Exiting."; exit
fi
elif [ -d "$destination" -a -f "$item1" ]; then
echo -n "Warning: you choose the rename option but source is a file and destination is a folder with the same name. "
if [ $easy_going = true ]; then
echo "Ignoring Rename option. Continuing."
else
echo "Script running in strict mode. Exiting."; exit
fi
else
dest_jr=$(dirname "$destination")
if [ -d "$destination" ]; then item_list="$item1/*";fi
mkdir -p "$dest_jr"
fi
else
mkdir -p "$destination"
fi
eval cp $switch_list $verbal $item_list "$destination"
cp_err="$?"
if [ "$cp_err" != 0 ]; then
echo -e "Something went wrong with the copy operation. \nExit Status: $cp_err"
else
echo "Copy operation exited with no errors."
fi
exit