configure bin sh M bad interpreter

Question

I ve been trying to install lpng142 on my fed 12 system  Seems like a problem to me  I get this error   root localhost lpng142     configure bash    configure   bin sh M  bad interpreter  No such file or directory  root localhost lpng142      How do I fix this  The  etc fstab file        etc fstab   Created by anaconda on Wed May 26 18 12 05 2010     Accessible filesystems  by reference  are maintained under   dev disk    See man pages fstab 5   findfs 8   mount 8  and or blkid 8  for more info    dev mapper VolGroup-lv root                         ext4    defaults        1 1 UUID ce67cf79-22c3-45d4-8374-bd0075617cc8  boot                   ext4     defaults        1 2  dev mapper VolGroup-lv swap swap                    swap    defaults        0 0 tmpfs                    dev shm                tmpfs   defaults        0 0 devpts                   dev pts                devpts  gid 5 mode 620  0 0 sysfs                    sys                    sysfs   defaults        0 0 proc                     proc                   proc    defaults        0 0

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You can also do this in Kate     Open the file   Open the Tools menu   Expand the End Of Line submenu   Select UNIX  Save the file

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Use the dos2unix command in linux to convert the saved file  example    dos2unix file name

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If you could not found run the command   CentOS     yum install dos2unix     dos2unix filename sh dos2unix  converting file filename sh to Unix format       Ubuntu   Debian     apt-get install dos2unix

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You can use following command to fix  cat file name sh   tr -d   r   gt  file name sh new

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This usually happens when you have edited a file from Windows and now trying to execute that from some unix based machine   The solution presented on Linux Forum worked for me  many times    perl -i -pe s  r       lt file name here gt    Hope this helps   PS  you need to have perl installed on your unix linux machine

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Looks like you have a dos line ending file  The clue is the  M   You need to re-save the file using Unix line endings   You might have a dos2unix command line utility that will also do this for you

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Or if you want to do this with a script   sed -i  s  r    filename

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Your configure file contains CRLF line endings  windows style  instead of simple LF line endings  unix style   Did you transfer it using FTP mode ASCII from Windows   You can use   dos2unix configure   to fix this  or open it in vi and use   s  M  g  to substitute them all  use CTRL V  CTRL M to get the  M

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To fix  open your script with vi or vim and enter in vi command mode  key Esc   then type this    set fileformat unix   Finally save it   x  or  wq

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Thanks to pwc101 s comment on this post  this command worked in Kali Linux    sed -i s  ctrl v  ctrl m     filename   Make sure you replace the bits in brackets       I e   ctrl m  means press Ctrl key and the M key together

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If you are using TextMate or a similar programme  do save as  and then in encodings choose LF instead of CRLF

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If you re on OS X  you can change line endings in XCode by opening the file and selecting the  View -  Text -  Line Endings -  Unix  menu item  then Save  This is for XCode 3 x  Probably something similar in XCode 4

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Just adding sh before script name make it work in my case

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Following on from Richard s comment  Here s the easy way to convert your file to UNIX line endings  If you re like me you created it in Windows Notepad and then tried to run it in Linux - bad idea    Download and install yourself a copy of Notepad    free    Open your script file in Notepad    File menu -  Save As -  Save as type  Unix script file    sh   bsh  Copy the new  sh file to your Linux system Maxe it executable with   chmod 755 the script filename Run it with     the script filename   Any other problems try this link

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When you write your script on windows environment and you want to run it on unix environnement you need to be careful about the encodage    dos2unix  filePath

[linux] ./configure : /bin/sh^M : bad interpreter

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