Shell Programming and Scripting

# man netrc
DESCRIPTION
     This file contains configuration and autologin information for the File Transfer Protocol client ftp(1).
........................

open("/root/.netrc", O_RDONLY)

wget "options/parameters" ftp://10.100.110.83 .....other options

curl -n "options/parameters" ftp://10.100.110.83 ....other options

ftp remoteserver << ftp 
    quote USER uid
    quote PASS pass
    prompt
    cd remote_directory
    mput file.txt
    bye
ftp

ftp remoteserver << EOFTP
    quote USER uid
    quote PASS pass
    prompt
    cd remote_directory
    mput file.txt
    bye
EOFTP

# a=$(./unix.com-ftp.sh 10.100.110.83 cd 4) && echo $a
250
# a=$(./unix.com-ftp.sh 10.100.110.83 get 2) && echo $a
226
# a=$(./unix.com-ftp.sh 10.100.110.83 cd 34234qwq) && echo $a
550

#!/bin/bash
# /********************************************************\
# *     unix.com ftp return-codes                          *
# *     @ygemici                                           *
# *     uses $HOME/.netrc for auto-login                   *
# \********************************************************/
arrayX=($@ ); ftpcmd="${arrayX[@]:1}";ok=0
echo "$ftpcmd"|/usr/bin/ftp -v "${arrayX[0]}"> /tmp/tmpuxXXXX.ftp
for i in get put ; do
echo "$ftpcmd"|grep $i|grep -v m >/dev/null
if [ $? -eq 0 ] ; then
for j in "File receive" "File send" ; do
grep "$j" /tmp/tmpuxXXXX.ftp >/dev/null
if [ $? -eq 0 ] ; then
sed 'N;N;x;$!D' /tmp/tmpuxXXXX.ftp|sed -n '$s/ .*$//p';exit;fi
done
sed 'N;x;$!D' /tmp/tmpuxXXXX.ftp|sed -n '$s/ .*$//p';exit ;fi
done
for i in mget mput mdelete mdir mls; do
echo "$ftpcmd"|grep $i >/dev/null; if [ $? -eq 0 ] ; then ok=1;fi
done
if [ $ok -eq 1 ] ; then
echo;echo "detected interactive command! ftp return code(s) maybe cant be determined!!";
sed 'N;N;x;$!D' /tmp/tmpuxXXXX.ftp|sed -n '$p'
else sed '$!N;$!D' /tmp/tmpuxXXXX.ftp|sed -n '1s/ .*$//p' ; fi