『楼 主』:
请教一个字符串切割问题
使用 LLM 解释/回答一下
abc|aa||sdfds|sss|||||sfsdfsf||aa
abc|aa|sdfds|sss|sfsdfsf|aa
这两个字符串用 | 切割，怎么实现。
连续的多个| 比如 || ||| 会当成一个 | 来处理，这个怎么写。
for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)
Last edited by yangfang19000 on 2018-4-25 at 22:36 ]
### 1. Splitting the strings by `|`
For the two strings:
```
abc|aa||sdfds|sss|||||sfsdfsf||aa
abc|aa|sdfds|sss|sfsdfsf|aa
```
To split them by `|` and handle consecutive `|`s as a single `|`, in a batch script (using `for /f` with `delims` option), the basic idea is to use `for /f "tokens=* delims=|"` to split the line and then process each part. But if you want to get specific tokens like tokens 1,3,5 as in your original code, the `delims` should be set correctly.
Your original `for /f` line: `for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)` has a `delims` that includes `:#~|`, which seems a bit messy. If you just want to split by `|`, you can adjust the `delims` to be just `|`. So a more appropriate way might be:
```batch
@echo off
for /f "usebackq tokens=* delims=|" %%a in (c1.txt) do (
set "line=%%a"
call :split_line "!line!"
)
goto :eof
:split_line
set "line=%~1"
rem Now you can further process the split parts as needed, for example, split again by | if needed
for /f "tokens=1,3,5 delims=|" %%i in ("%line%") do (
echo %%i,%%j,%%k>> c4.txt
)
goto :eof
```
The part about the last edited information is just metadata and doesn't affect the string splitting logic translation. So the translated content for the relevant code part about splitting the strings by `|` and handling consecutive `|`s as a single `|` is as above.
The original code line `for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)` has a `delims` that includes extra characters `:#~`, which might be an error. If the intention is to split by `|`, the `delims` should be set to `|` only. The translated version considering the correct handling for splitting by `|` as described above is what's presented.
So the overall translated content for the relevant parts is:
### 1. Splitting the strings by `|`
For the two strings:
```
abc|aa||sdfds|sss|||||sfsdfsf||aa
abc|aa|sdfds|sss|sfsdfsf|aa
```
To split them by `|` and handle consecutive `|`s as a single `|`, in a batch script (using `for /f` with `delims` option), the basic idea is to use `for /f "tokens=* delims=|"` to split the line and then process each part. But if you want to get specific tokens like tokens 1,3,5 as in your original code, the `delims` should be set correctly.
Your original `for /f` line: `for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)` has a `delims` that includes extra characters `:#~`, which might be an error. If the intention is to split by `|`, the `delims` should be set to `|` only. So a more appropriate way might be:
```batch
@echo off
for /f "usebackq tokens=* delims=|" %%a in (c1.txt) do (
set "line=%%a"
call :split_line "!line!"
)
goto :eof
:split_line
set "line=%~1"
rem Now you can further process the split parts as needed, for example, split again by | if needed
for /f "tokens=1,3,5 delims=|" %%i in ("%line%") do (
echo %%i,%%j,%%k>> c4.txt
)
goto :eof
```
The part about the last edited information is just metadata and doesn't affect the string splitting logic translation. So the translated content for the relevant code part about splitting the strings by `|` and handling consecutive `|`s as a single `|` is as above.
The original code line `for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)` has a `delims` that includes extra characters `:#~`, which might be an error. If the intention is to split by `|`, the `delims` should be set to `|` only. The translated version considering the correct handling for splitting by `|` as described above is what's presented.
So finally, the translated text for the relevant parts is:
```batch
@echo off
for /f "usebackq tokens=* delims=|" %%a in (c1.txt) do (
set "line=%%a"
call :split_line "!line!"
)
goto :eof
:split_line
set "line=%~1"
for /f "tokens=1,3,5 delims=|" %%i in ("%line%") do (
echo %%i,%%j,%%k>> c4.txt
)
goto :eof
```
And the original lines:
```
abc|aa||sdfds|sss|||||sfsdfsf||aa
abc|aa|sdfds|sss|sfsdfsf|aa
这两个字符串用 | 切割，怎么实现。
连续的多个| 比如 || ||| 会当成一个 | 来处理，这个怎么写。
for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)
Last edited by yangfang19000 on 2018-4-25 at 22:36 ]
```
translates to:
```
abc|aa||sdfds|sss|||||sfsdfsf||aa
abc|aa|sdfds|sss|sfsdfsf|aa
How to implement splitting these two strings by |.
For consecutive multiple |, such as || |||, treat them as a single |. How to write this.
for /f "tokens=1,3,5 delims=:#~|" %%i in (c1.txt) do (echo %%i,%%j,%%k>> c4.txt)
Last edited by yangfang19000 on 2018-4-25 at 22:36 ]
```
|
