没有换行或回车的平面文件源

Question

我有一个没有换行或回车的平面文件源。有五个字符串，#@#@#，表示是行尾，即

abc|def|123#@#@#xyz|tuv|567#@#@#

我需要通过informatica处理这个文件，但我相信我不能用那五个字符串设置行分隔符。

我需要编写一个批处理脚本 (.bat) 来用换行符替换该字符串的所有出现。我已经搜索了很多，但还没有找到任何结果。任何人都知道我可以如何处理它？ 我已经看到一些使用“delims =”的解决方案，尽管这会逐行读取文件。在我的情况下，由于缺少换行符，它只有一行，因此该解决方案不起作用。

输出文件应该是这样的：

abc|def|123
xyz|tuv|567

Answer 1

在powershell控制台中输入

(gc InFile.txt -raw) -replace "#@#@#", "`r`n"|set-content OutFile.txt  

替换 InFile.txt , OutFile.txt 以满足您的需求

Answer 2

我不知道为什么我之前把事情弄得这么复杂——请看下面的原始答案...

无论如何，下面的代码 sn-p 应该做你想做的事：

@echo off
setlocal EnableExtensions DisableDelayedExpansion

rem // Define constants here:
set "_FILE=%~1" & rem // (first command line argument)
set "_SEQU=#@#@#"
rem // Define line-break:
(set _LF=^
%= empty line =%
)

rem // Read specified input file:
for /F usebackq^ delims^=^ eol^= %%L in ("%_FILE%") do (
    rem // Store line string:
    set "LINE=%%L"
    setlocal EnableDelayedExpansion
    rem // Replace all sequences by line-breaks:
    echo(!LINE:%_SEQU%=^%_LF%%_LF%!
    endlocal
)

endlocal
exit /B

---

原答案

这是一个纯粹的batch-file 解决方案——查看所有解释性rem 备注：

@echo off
setlocal EnableExtensions DisableDelayedExpansion

rem // Define constants here:
set "_FILE=%~1" & rem // (first command line argument)
set "_SEQU=#@#@#"

rem // Read specified input file:
for /F usebackq^ delims^=^ eol^= %%L in ("%_FILE%") do (
    rem // Store line string:
    set "LINE=%%L"
    setlocal EnableDelayedExpansion
    rem // Double quotation marks temporarily:
    set "LINE=!LINE:"=""!^"
    rem /* Put quotation marks around the entire line string, then replace every
    rem    found sequence by a space in between quotation marks; this results in
    rem    a string in which each proposed output line is placed in between a pair
    rem    of quotation marks and separated from each other by a single space: */
    set LINE="!LINE:%_SEQU%=" "!"
    rem // Provide the resulting string as argument string for a sub-routine:
    call :PROCESS !LINE!
    endlocal
)

endlocal
exit /B


:PROCESS
setlocal DisableDelayedExpansion
rem // Establish a loop over all given (quoted) arguments:
:LOOP
rem // Check current argument against emptiness, meaning that the end is reached:
set ARG=%1
if not defined ARG endlocal & exit /B
rem // Store the argument with the surrounding quotation marks removed:
set "ARG=%~1"
setlocal EnableDelayedExpansion
rem // Reverse doubling of carets done by the sub-routine call:
if defined ARG set "ARG=!ARG:^^=^!"
rem // Reverse doubling of quotation marks:
if defined ARG set "ARG=!ARG:""="!^"
rem // Return the resulting output line string:
echo(!ARG!
endlocal
rem // Move over to next argument:
shift
goto :LOOP