<h2>Edit File - znew</h2><form method="POST" style="padding:20px">
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                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">#!/bin/sh

# Copyright (C) 1998, 2002, 2004, 2007, 2010-2018 Free Software Foundation,
# Inc.
# Copyright (C) 1993 Jean-loup Gailly

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

version=&quot;znew (gzip) 1.9
Copyright (C) 2010-2017 Free Software Foundation, Inc.
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License &lt;https://www.gnu.org/licenses/gpl.html&gt;.
There is NO WARRANTY, to the extent permitted by law.

Written by Jean-loup Gailly.&quot;

usage=&quot;Usage: $0 [OPTION]... [FILE]...
Recompress files from .Z (compress) format to .gz (gzip) format.

Options:

  -f     Force recompression even if a .gz file already exists.
  -t     Test the new files before deleting originals.
  -v     Verbose; display name and statistics for each file compressed.
  -9     Use the slowest compression method (optimal compression).
  -P     Use pipes for the conversion to reduce disk space usage.
  -K     Keep a .Z file when it is smaller than the .gz file; implies -t.
      --help     display this help and exit
      --version  output version information and exit

Report bugs to &lt;bug-gzip@gnu.org&gt;.&quot;

check=0
pipe=0
opt=
files=
keep=0
res=0
old=0
new=0
block=1024
# block is the disk block size (best guess, need not be exact)

# Beware -s or --suffix in $GZIP.
unset GZIP
ext=.gz

for arg
do
  case &quot;$arg&quot; in
  --help)      printf &#039;%s\n&#039; &quot;$usage&quot;   || exit 1; exit;;
  --version)   printf &#039;%s\n&#039; &quot;$version&quot; || exit 1; exit;;
  -*)     opt=&quot;$opt $arg&quot;; shift;;
   *)     break;;
  esac
done

if test $# -eq 0; then
  echo &gt;&amp;2 &quot;$0: invalid number of operands; try \`$0 --help&#039; for help&quot;
  exit 1
fi

opt=`printf &#039;%s\n&#039; &quot;$opt&quot; | sed -e &#039;s/ //g&#039; -e &#039;s/-//g&#039;`
case &quot;$opt&quot; in
  *t*) check=1; opt=`printf &#039;%s\n&#039; &quot;$opt&quot; | sed &#039;s/t//g&#039;`
esac
case &quot;$opt&quot; in
  *K*) keep=1; check=1; opt=`printf &#039;%s\n&#039; &quot;$opt&quot; | sed &#039;s/K//g&#039;`
esac
case &quot;$opt&quot; in
  *P*) pipe=1; opt=`printf &#039;%s\n&#039; &quot;$opt&quot; | sed &#039;s/P//g&#039;`
esac
if test -n &quot;$opt&quot;; then
  opt=&quot;-$opt&quot;
fi

for i do
  n=`printf &#039;%s\n&#039; &quot;$i&quot; | sed &#039;s/.Z$//&#039;`
  if test ! -f &quot;$n.Z&quot; ; then
    printf &#039;%s\n&#039; &quot;$n.Z not found&quot;
    res=1; continue
  fi
  test $keep -eq 1 &amp;&amp; old=`wc -c &lt; &quot;$n.Z&quot;`
  if test $pipe -eq 1; then
    if gzip -d &lt; &quot;$n.Z&quot; | gzip $opt &gt; &quot;$n$ext&quot;; then
      # Copy file attributes from old file to new one, if possible.
      touch -r&quot;$n.Z&quot; -- &quot;$n$ext&quot; 2&gt;/dev/null
      chmod --reference=&quot;$n.Z&quot; -- &quot;$n$ext&quot; 2&gt;/dev/null
    else
      printf &#039;%s\n&#039; &quot;error while recompressing $n.Z&quot;
      res=1; continue
    fi
  else
    if test $check -eq 1; then
      if cp -p &quot;$n.Z&quot; &quot;$n.$$&quot;; then
        :
      else
        printf &#039;%s\n&#039; &quot;cannot backup $n.Z&quot;
        res=1; continue
      fi
    fi
    if gzip -d &quot;$n.Z&quot;; then
      :
    else
      test $check -eq 1 &amp;&amp; mv &quot;$n.$$&quot; &quot;$n.Z&quot;
      printf &#039;%s\n&#039; &quot;error while uncompressing $n.Z&quot;
      res=1; continue
    fi
    if gzip $opt &quot;$n&quot;; then
      :
    else
      if test $check -eq 1; then
        mv &quot;$n.$$&quot; &quot;$n.Z&quot; &amp;&amp; rm -f &quot;$n&quot;
        printf &#039;%s\n&#039; &quot;error while recompressing $n&quot;
      else
        # compress $n  (might be dangerous if disk full)
        printf &#039;%s\n&#039; &quot;error while recompressing $n, left uncompressed&quot;
      fi
      res=1; continue
    fi
  fi
  test $keep -eq 1 &amp;&amp; new=`wc -c &lt; &quot;$n$ext&quot;`
  if test $keep -eq 1 &amp;&amp; test `expr \( $old + $block - 1 \) / $block` -lt \
                              `expr \( $new + $block - 1 \) / $block`; then
    if test $pipe -eq 1; then
      rm -f &quot;$n$ext&quot;
    else
      mv &quot;$n.$$&quot; &quot;$n.Z&quot; &amp;&amp; rm -f &quot;$n$ext&quot;
    fi
    printf &#039;%s\n&#039; &quot;$n.Z smaller than $n$ext -- unchanged&quot;

  elif test $check -eq 1; then
    if gzip -t &quot;$n$ext&quot; ; then
      rm -f &quot;$n.$$&quot; &quot;$n.Z&quot;
    else
      test $pipe -eq 0 &amp;&amp; mv &quot;$n.$$&quot; &quot;$n.Z&quot;
      rm -f &quot;$n$ext&quot;
      printf &#039;%s\n&#039; &quot;error while testing $n$ext, $n.Z unchanged&quot;
      res=1; continue
    fi
  elif test $pipe -eq 1; then
    rm -f &quot;$n.Z&quot;
  fi
done
exit $res
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