Linux за българи: Форуми

#!/bin/sh

_fname= _errexit= _zip= _user_host=
_zip=/bin/bzip2
_ts=`date +%Y%m%d_%H%M%S`
_ext=bz2

_usage_msg="

usage: $0 -f <file_name>  -h user@host [ -e | -g ]

  -f file name containing pathnames
  -e exit if path does not exists
  -g use gzip (otherwise bzip2)
  -h remote user@host

"

die() {
  printf >&2 '%s\n' "$@"
  exit 1
  }

[ $# -lt 1 ] && die "$_usage_msg"

[ -f /tmp/_kill_byte_ ] && rm /tmp/_kill_byte_

set -- `getopt f:egh: "$@"`

[ $? -ne 0 ] && die "$_usage_msg"

while [ $# -gt 0 ]; do
  case $1 in
     -f ) shift;  _fname=$1; shift ;;
     -e ) shift; _errexit=on ;;
     -g ) shift; _zip=/bin/gzip _ext=gz ;;
     -h ) shift; _user_host=$1; shift ;;
     -- ) break ;;
  esac
done

[ -r "$_fname" ] || die "invalid filename: $_fname"

case $_user_host in
   *@* )                                 ;;
    *  ) die "invalid host: $_user_host" ;;
esac

touch arch_"$_ts".tar

while IFS= read f; do
  [ -f "$f" ] || {
    [ "$_errexit" ] &&
      printf '%s\n' "$f" >  /tmp/_kill_byte_
    continue
     }
  tar uf arch_"$_ts".tar "$f"
done < "$_fname"

[ -f /tmp/_kill_byte_ ] && die "invalid path: `cat /tmp/_kill_byte_`"

"$_zip" arch_"$_ts".tar ||
  die 'compressing archive file failed'

scp arch_"$_ts.tar.$_ext" "$_user_host":

IFS=

$ _fn='      fname     '
$ printf '%s\n' "$_fn" |
>   while read v; do
>   printf 'one:\n|%s|\n' "$v"
> done
one:
|fname|
$ printf '%s\n' "$_fn" |
>   while IFS= read v; do
>     printf 'two:\n|%s|\n' "$v"
> done
two:
|      fname     |

touch arch_"$_ts".tar
.........
.........
  tar uf arch_"$_ts".tar "$f" 

 [ $# -lt 1 ] && die "$_usage_msg" 

 [ $? -ne 0 ] && die "$_usage_msg" 

 set -- `getopt f:egh: "$@"`

while [ $# -gt 0 ]; do
  case $1 in
 ...

[ -L  /tmp/_kill_byte_ ] || {
  [ -f /tmp/_kill_byte_ ] &&
    rm /tmp/_kill_byte_
    }

#!/bin/sh

_fname= _errexit= _zip= _user_host=
_zip=/bin/bzip2
_ts=`date +%Y%m%d_%H%M%S`
_ext=bz2

_usage_msg="

usage: $0 -f <file_name>  -h user@host [ -e | -g ]

  -f file name containing pathnames
  -e exit if path does not exists
  -g use gzip (otherwise bzip2)
  -h remote user@host

"

die() {
  printf >&2 '%s\n' "$@"
  exit 1
  }

[ $# -lt 1 ] && die "$_usage_msg"

# This commands do not work with all shells, 
# because the set command does not always return an error code 
# if getopt fails
set -- `getopt f:egh: "$@"` ||
  die "$_usage_msg"

while [ $# -gt 0 ]; do
  case $1 in
     -f ) shift;  _fname=$1; shift ;;
     -e ) shift; _errexit=on ;;
     -g ) shift; _zip=/bin/gzip _ext=gz ;;
     -h ) shift; _user_host=$1; shift ;;
     -- ) break ;;
  esac
done

[ -r "$_fname" ] || die "invalid filename: $_fname"

case $_user_host in
   *@* )                                 ;;
    *  ) die "invalid host: $_user_host" ;;
esac

touch arch_"$_ts".tar

while IFS= read f; do
  [ -f "$f" ] && [ ! -L "$f" ] || {
    [ "$_errexit" ] &&
      die "invalid path: $f" ||
     continue
     }
  tar uf arch_"$_ts".tar "$f" ||
    die 'tar failed'
done < "$_fname" ||
  exit 1


"$_zip" arch_"$_ts".tar ||
  die 'compressing archive file failed'

scp arch_"$_ts.tar.$_ext" "$_user_host": ||
  die 'scp failed'