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Many thanks, Steffen. It works as expected!!!

Hi there. I've got this batch to extract the text between wordA and wordB from a text file: wordA----------text1-----------wordB @echo off type infile |jrepl ".*wordA(.*)wordB.*" "$1" > outfile It works when there are only one set of wordA and wordB. It returns i.e. "----------text1-----------" Howe...

Thanks, Steffen. Your script works perfectly! It has no issues with % and ^ neither if not use the CALL command.

Agreed, Steffen. I started to seek a utility for renaming files on my exFAT drive D: when Windows 10 refused to make the case sensitive renaming. The fact that JREN.BAT worked on one occasion but failed on another indicates that the problem is with the Windows itself. The case-sensitive feature of J...

Thanks, Steffen.

I tested your script. It worked as the ren command.

I also think the weird observations with JREN.BAT is due to some other undefined causes. ATM, I am using the workaround.

By the way, these always worked. So perhaps is there something to do with the the dot (.)? G:\t>jren BOOTEX.1.LOG BOOTEX.1.loG "G:\t\BOOTEX.1.LOG" --> "BOOTEX.1.loG" //succeeded G:\t>jren BOOTEX.1.loG BOOTEX.1.LOG "G:\t\BOOTEX.1.loG" --> "BOOTEX.1.LOG" //succeeded G:\t>jren BOOTEX.1.LOG BOOTEX.1.loG...

More tests have revealed that JREN.bat will fail sometimes at first try, but a second try will work to rename the cases: G:\>jren captain.mkv captain.MKV "G:\captain.mkv" --> "captain.MKV" //actually failed on the first try G:\>jren captain.mkv captain.MKV "G:\captain.mkv" --> "captain.MKV" //succee...

Thanks, Dave. As Steffen said, your script has the feature where other utilities all fail when Windows simply ignores case-sensitive renaming. I did a thorough research and yours came up as the only one which can make a case sensitive name change. Windows' own ren command, all other file explorers c...

I may have found a small bug. This is reproducible: D:\>jren BOOTEX.loG BOOTEX.LOG /P "G:\" "G:\BOOTEX.loG" --> "BOOTEX.LOG" D:\>jren BOOTEX.LOG BOOTEX.loG /P "G:\" "G:\BOOTEX.LOG" --> "BOOTEX.loG" D:\>jren BOOTEX.loG BOOTEX.LOG /P "G:\" "G:\BOOTEX.loG" --> "BOOTEX.LOG" // but not renamed !!!! D:\>j...