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Allowing a wget to run as part of a command line parameter

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0

I'm writing a little script that takes several command line arguments and substitutes their values into some files.

I have a requirement where the user can either specify a file on their machine, or fetch it over http(s), but the problem is my script eats up the wget as a parameter, and doesn't actually execute it.

Here's what I'm using to parse the arguments:

while [[ "$#" -gt 0 ]] ; do 
 if [[ "$1" == '--ip-address' ]] ; then 
 shift 
 ip_address="$1" 
 fi 
 if [[ "$1" == '--hostname' ]] ; then 
 shift 
 hostname="$1" 
 fi
 shift
done

What I'm looking for is something like
script.sh --file wget http://foo.bar/file.txt and it would first download the file and then pass it as a parameter.

bash

share|improve this question

asked Mar 8 at 18:55

John DoeJohn Doe

1

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why do not refactor your script and command line on this way: script.sh --file http://foo.bar/file.txt and check for :// string and if present use wget
  
  – Romeo Ninov
  Mar 8 at 18:57
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  script.sh --file <(curl http://foo.bar/file.txt) ? (or wget -O /dev/stdout )
  
  – Kamil Cuk
  Mar 8 at 18:58
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Given the requirement, it sounds like you're supposed to accept --url http://foo.bar/file.txt or --file file.txt (or autodetect) , and in the former case use wget yourself. You are not supposed to write wget when you run the program.
  
  – that other guy
  Mar 8 at 19:02
  
  

  
  
  
  

add a comment | 

0

I'm writing a little script that takes several command line arguments and substitutes their values into some files.

I have a requirement where the user can either specify a file on their machine, or fetch it over http(s), but the problem is my script eats up the wget as a parameter, and doesn't actually execute it.

Here's what I'm using to parse the arguments:

while [[ "$#" -gt 0 ]] ; do 
 if [[ "$1" == '--ip-address' ]] ; then 
 shift 
 ip_address="$1" 
 fi 
 if [[ "$1" == '--hostname' ]] ; then 
 shift 
 hostname="$1" 
 fi
 shift
done

What I'm looking for is something like
script.sh --file wget http://foo.bar/file.txt and it would first download the file and then pass it as a parameter.

bash

share|improve this question

asked Mar 8 at 18:55

John DoeJohn Doe

1

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why do not refactor your script and command line on this way: script.sh --file http://foo.bar/file.txt and check for :// string and if present use wget
  
  – Romeo Ninov
  Mar 8 at 18:57
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  script.sh --file <(curl http://foo.bar/file.txt) ? (or wget -O /dev/stdout )
  
  – Kamil Cuk
  Mar 8 at 18:58
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Given the requirement, it sounds like you're supposed to accept --url http://foo.bar/file.txt or --file file.txt (or autodetect) , and in the former case use wget yourself. You are not supposed to write wget when you run the program.
  
  – that other guy
  Mar 8 at 19:02
  
  

  
  
  
  

add a comment | 

I'm writing a little script that takes several command line arguments and substitutes their values into some files.

I have a requirement where the user can either specify a file on their machine, or fetch it over http(s), but the problem is my script eats up the wget as a parameter, and doesn't actually execute it.

Here's what I'm using to parse the arguments:

while [[ "$#" -gt 0 ]] ; do 
 if [[ "$1" == '--ip-address' ]] ; then 
 shift 
 ip_address="$1" 
 fi 
 if [[ "$1" == '--hostname' ]] ; then 
 shift 
 hostname="$1" 
 fi
 shift
done

What I'm looking for is something like
script.sh --file wget http://foo.bar/file.txt and it would first download the file and then pass it as a parameter.

bash

share|improve this question

asked Mar 8 at 18:55

John DoeJohn Doe

1

while [[ "$#" -gt 0 ]] ; do 
 if [[ "$1" == '--ip-address' ]] ; then 
 shift 
 ip_address="$1" 
 fi 
 if [[ "$1" == '--hostname' ]] ; then 
 shift 
 hostname="$1" 
 fi
 shift
done

share|improve this question

asked Mar 8 at 18:55

John DoeJohn Doe

1

share|improve this question

asked Mar 8 at 18:55

John DoeJohn Doe

1

asked Mar 8 at 18:55

John DoeJohn Doe

1

asked Mar 8 at 18:55

John DoeJohn Doe

1

1 Answer
1

active

oldest

votes

0

What about something like:

 if [[ "$1" == '--file' ]] ; then 
 shift 
 filename="$1"
 if [ `echo $filename|grep '://'` != "" ]; then
 wget --no-check-certificate -O /tmp/file "$filename"
 filename=/tmp/file
 fi
 fi

share|improve this answer

edited Mar 8 at 19:35

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814

add a comment | 

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0

What about something like:

 if [[ "$1" == '--file' ]] ; then 
 shift 
 filename="$1"
 if [ `echo $filename|grep '://'` != "" ]; then
 wget --no-check-certificate -O /tmp/file "$filename"
 filename=/tmp/file
 fi
 fi

share|improve this answer

edited Mar 8 at 19:35

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814

add a comment | 

0

What about something like:

 if [[ "$1" == '--file' ]] ; then 
 shift 
 filename="$1"
 if [ `echo $filename|grep '://'` != "" ]; then
 wget --no-check-certificate -O /tmp/file "$filename"
 filename=/tmp/file
 fi
 fi

share|improve this answer

edited Mar 8 at 19:35

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814

add a comment | 

What about something like:

 if [[ "$1" == '--file' ]] ; then 
 shift 
 filename="$1"
 if [ `echo $filename|grep '://'` != "" ]; then
 wget --no-check-certificate -O /tmp/file "$filename"
 filename=/tmp/file
 fi
 fi

share|improve this answer

edited Mar 8 at 19:35

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814

 if [[ "$1" == '--file' ]] ; then 
 shift 
 filename="$1"
 if [ `echo $filename|grep '://'` != "" ]; then
 wget --no-check-certificate -O /tmp/file "$filename"
 filename=/tmp/file
 fi
 fi

share|improve this answer

edited Mar 8 at 19:35

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814

answered Mar 8 at 19:17

Romeo NinovRomeo Ninov

1,7161814