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add sprunge.us pastebin uploader - uses files, or pipes

Matt Parnell authored on 13/11/2011 at 05:09:27
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+# Contributed and SLIGHTLY modded by Matt Parnell/ilikenwf <parwok -at- gmail>
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+# Created by the blogger at the URL below...I don't know where to find his/her name
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+# Original found at http://www.shellperson.net/sprunge-pastebin-script/
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+ 
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+usage() {
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+description | fmt -s >&2
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+}
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+ 
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+description() {
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+cat << HERE
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+ 
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+DESCRIPTION
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+  Upload data and fetch URL from the pastebin http://sprunge.us
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+ 
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+USAGE
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+  $0 filename.txt
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+  $0 text string
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+  $0 < filename.txt
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+  piped_data | $0
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+ 
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+NOTES
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+--------------------------------------------------------------------------
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+* INPUT METHODS *
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+$0 can accept piped data, STDIN redirection [<filename.txt], text strings following the command as arguments, or filenames as arguments.  Only one of these methods can be used at a time, so please see the note on precedence.  Also, note that using a pipe or STDIN redirection will treat tabs as spaces, or disregard them entirely (if they appear at the beginning of a line).  So I suggest using a filename as an argument if tabs are important either to the function or readability of the code.
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+ 
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+* PRECEDENCE *
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+STDIN redirection has precedence, then piped input, then a filename as an argument, and finally text strings as an arguments.
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+ 
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+  EXAMPLE:
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+  echo piped | "$0" arguments.txt < stdin_redirection.txt
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+ 
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+In this example, the contents of file_as_stdin_redirection.txt would be uploaded. Both the piped_text and the file_as_argument.txt are ignored. If there is piped input and arguments, the arguments will be ignored, and the piped input uploaded.
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+ 
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+* FILENAMES *
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+If a filename is misspelled or doesn't have the necessary path description, it will NOT generate an error, but will instead treat it as a text string and upload it.
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+--------------------------------------------------------------------------
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+ 
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+HERE
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+exit
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+}
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+
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+sprunge() {
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+	if [ -t 0 ]; then
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+	  echo Running interactively, checking for arguments... >&2
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+	  if [ "$*" ]; then
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+		echo Arguments present... >&2
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+		if [ -f "$*" ]; then
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+		  echo Uploading the contents of "$*"... >&2
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+		  cat "$*"
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+		else
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+		  echo Uploading the text: \""$*"\"... >&2
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+		  echo "$*"
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+		fi | curl -F 'sprunge=<-' http://sprunge.us
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+	  else
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+		echo No arguments found, printing USAGE and exiting. >&2
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+		usage
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+	  fi
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+	else
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+	  echo Using input from a pipe or STDIN redirection... >&2
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+	  while read -r line ; do
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+		echo $line
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+	  done | curl -F 'sprunge=<-' http://sprunge.us
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+	fi
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+}