1.    04 Dec 2016 #1
    Join Date : Dec 2016
    Posts : 3
    Windows 10

    DOS2UNIX Problem - Operation not permitted when using dos2unix to file

    Excuse me, I'm a fellow newbie here wanting to resolve this issue because it is tiring only to resolve this issue by restarting the bash.exe. I just want no errors to be seen when doing my project. Thank you!
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  2.    04 Dec 2016 #2
    Join Date : Jul 2016
    Posts : 254
    Windows 10

    My Cygwin does not have dos2unix (nor d2u). It was present in older versions of Cygwin years ago, but no more.

    I had to get mine (d2u) from a third-party source. (The reverse u2d is also available.)

    To your problem ... I wonder whether your dos2unix is defective. There are some bad ones out there in the wild.

    Also, its "operation not permitted" error messageis a bit cryptic.
    Does it mean that you don't have read (or write) permission on the file? Check and see.
    Last edited by margrave55; 06 Dec 2016 at 14:19.
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  3.    05 Dec 2016 #3
    Join Date : Dec 2016
    Posts : 3
    Windows 10
    Thread Starter

    I tried to make the file and directories a 777 permission base but it doesn't work.... Thanks for the reply.
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  4.    05 Dec 2016 #4
    Join Date : Oct 2013
    South Australia
    Posts : 724
    macOS High Sierra

    How about trying chmod +rw

    What text editor are using? Some will save as Unix format. E.g. UltraEdit.
    Last edited by Golden; 05 Dec 2016 at 11:19.
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  5.    05 Dec 2016 #5
    Join Date : Jul 2016
    Posts : 254
    Windows 10

    Cygwin chmod is not quite the same as Windows iacls.
    In particular, a file can have a DENY acl ... which chmod cannot deal with.
    So use Windows explorer. Go to file properties, select the Security tab, and click Advanced.

    Check to see that you are the owner. If not, click the Change link, take ownership, and click OK. Back on the Advanced panel, click OK.
    When you change ownership, you have to exit from properties, and go back in before the next step.

    Next step ... on Security / Advanced panel ... If there are any DENY acls, remove them. Then add yourself in as a acl with full control. (Or, if your account is already there, change it to full control.) Then OK OK to exit.
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  6.    06 Dec 2016 #6
    Join Date : Dec 2016
    Posts : 3
    Windows 10
    Thread Starter

    @Golden I'm using atom as text editor and i always apply the command dos2unix in order to apply unix format. Sorry for the misunderstanding but both chmod 777 and chmod +rw worked but error still appeared while editing the file. BTW,
    @margrave55 i set to full control both to users. so far so good, no error has occurred yet. will update you tomorrow if there will be errors. sorry got no time this weekdays due to many workloads but i'll try
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