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#!/bin/csh -f
#
# FGET -- Download a URL.
#
# Usage: fget [-h] [-n] [-q | -v] url
#
# Where -n no-op flag
# -q suppress output
# -v verbose output
# -d set download directory
# -o set output filename
# -h this message
#
# Example:
# % fget -q ftp://iraf.noao.edu/iraf/extern/foo-linux.tar.gz
#
# ----------------------------------------------------------------------------
unset noclobber
onintr cleanup_
unalias cd cp cmp echo ln mv rm sed set grep ls chmod chown pwd touch sort which
unalias ftp wget
setenv path "(../util /sbin /usr/sbin /bin /usr/bin /usr/5bin /usr/ucb /etc /usr/etc $path /usr/local/bin /opt/local/bin /local/bin /home/local/bin)"
# set echo
##############################################################################
# START OF MACHDEP DEFINITIONS.
##############################################################################
# MACHDEP definitions which may be reset below.
# Find the iraf root directory.
if (! $?iraf) then
set iraf = ""
foreach f ( ~/.iraf.h ~/.iraf/iraf.h /usr/include/iraf.h)
# $iraf is defined, use a well-known path for the system
if (-e ${f}) then
set i = `egrep IRAF ${f} | egrep \#define | sed -e 's/"//g'`
set iraf = $i[3]
echo $i
break
endif
end
endif
if ("$iraf" == "") then
if (-e /iraf/iraf) then
set iraf = /iraf/iraf/
else
set iraf = `dirname $0`/../
endif
endif
# Determine platform architecture.
set arch = `$iraf/unix/hlib/irafarch.csh`
##############################################################################
# END OF MACHDEP DEFINITIONS.
##############################################################################
#=============================================================================
# Declarations and initializations.
#=============================================================================
set exec = yes
set verb = no
set url = ""
set fname = ""
set ddir = ""
# Process cmdline flags.
while ("$1" != "")
switch ("$1")
case -n: # no execute
set exec = no
breaksw
case -q: # be quiet
set verb = no
set quiet = yes
breaksw
case -v: # be chatty
set verb = yes
set quiet = no
breaksw
case -h: # print help summary
goto Usage
case -d: # set download directory
set ddir = $2
shift
breaksw
case -o: # set output file name
set fname = $2
shift
breaksw
default:
set url = $1
break
endsw
if ("$2" == "") then
break
else
shift
endif
end
# Error checks.
if ("$url" == "") then
if ("$verb" == "yes") then
echo "ERROR: URL not specified"
endif
exit 1
endif
# Get the download filename. Delete an existing copy of the file
if ($fname == "") then
set fname = $url:t
endif
if (-e "$fname") then
/bin/rm -f $fname
endif
# Ensure URL is an HTTP protocol.
set prot = `echo $url | cut -c1-3`
if ("$prot" == "ftp") then
set u = `echo $url | sed -e 's;ftp://iraf.noao.edu/iraf;http://iraf.noao.edu/ftp;'`
set url = $u
endif
# Do it.
if ("$exec" == "yes") then
if ("$verb" == "yes") then
echo "Downloading "$url" ...."
endif
set args = "url='$url' fname='${ddir}${fname}' cache='/tmp' verbose=no extn='' use_cache=no"
if ("$verb" == "no") then
$iraf/bin.$arch/x_system.e urlget ${args} \$nargs=2 >& /dev/null
else
$iraf/bin.$arch/x_system.e urlget ${args} \$nargs=2
endif
if ("$verb" == "yes") then
echo "done"
endif
endif
# Verify we have the file.
if (! -e $url:t) then
if ("$verb" == "yes") then
echo "Error downloading file '"$fname"'"
endif
exit 1
else
if ($#argv > 1) then
mv $url:t $2
endif
endif
# Normal exit.
exit 0
#=============================================================================
# Usage
#=============================================================================
Usage:
echo "Usage: fget [-h] [-n] [-q | -v] url"
echo ""
echo " where -n # no execute"
echo " -q # suppress output"
echo " -v # verbose output"
echo " -h # this message"
exit 0
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