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Full Discussion: Rename mass files with text from first line
Top Forums Shell Programming and Scripting Rename mass files with text from first line Post 302649649 by Chubler_XL on Thursday 31st of May 2012 11:10:24 PM
Old 06-01-2012
Try this:

Code:
for file in *
do
   # Avoid renaming diretories!
   if [ -f "$file" ]
   then
       newname=`head -1 $file`
       if [ -f "$newname" ]
       then
              echo "Cannot rename $file to $newname - file already exists"
       else
              mv "$file" "$newname"
       fi
   fi
done

 

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LEARN ABOUT DEBIAN

gcjh

GCJH(1)                                                                 GNU                                                                GCJH(1)

NAME

       gcjh - - generate header files from Java class files

SYNOPSIS

       gcjh [OPTIONS]... CLASS...

DESCRIPTION

       The "gcjh" program is used to generate header files from class files.  It can generate both CNI and JNI header files, as well as stub
       implementation files which can be used as a basis for implementing the required native methods.  It is similar to "javah" but has slightly
       different command line options, and defaults to CNI.

OPTIONS

       See "javah" for a full description; this page only lists the additional options provided by "gcjh".

       CNI text options

       -add text
           Insert text into class body.

       -append text
           Append text after class declaration.

       -friend text
           Insert text as a "friend" declaration.

       -prepend text
           Insert text before start of class.

       Compatibility options (unused)

       -td DIR
       -M
       -MM
       -MD
       -MMD
           Unused compatibility option.

       Standard options:

       -help
           Print help text, then exit.

       -version
           Print version number, then exit.

       -JOPTION
           Pass argument to the Java runtime.

BUGS

SEE ALSO

       javac(1), javah(1), ...

AUTHOR

0.98                                                                2010-07-05                                                             GCJH(1)
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