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Top Forums Shell Programming and Scripting Ensuring A String Doesn't Begin With Space Post 302231785 by radoulov on Wednesday 3rd of September 2008 06:38:10 AM
Old 09-03-2008
Code:
$ cat s
#! /bin/bash

printf 'enter name: '
while IFS= :; do
  read
  case $REPLY in
    \ *) printf 'invalid, retry: ';;
      *) printf 'ok\n';break;;
  esac
done
$ ./s
enter name:  initial space
invalid, retry: no_space
ok


Last edited by radoulov; 09-03-2008 at 07:42 AM.. Reason: depending on your shell, you may need to modify the IFS temporarily
 

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SHELR(1)																  SHELR(1)

NAME
shelr - screencasting for shell ninjas DESCRIPTION
Shelr records terminal output and can replay it. Also you can shere Your records at http://shelr.tv/ or other services. SYNOPSIS
shelr command [id] COMMANDS
record Will record your terminal unless you type exit or Ctrl+D and store it to $HOME/.local/share/shelr/ list lists all your shellcasts. play plays local or remote shellcast. push publish your shellcast dump dump shellcast as json to current directory. EXAMPLES
Record your shellcast: $ shelr record $ # do something ... $ exit List recorded shellcasts: $ shelr list Play local shellcast: $ shelr play 1293702847 # play your own local record $ shelr play record.json # created with shelr dump $ shelr play last # will play most recent local record Play remote shellcast: $ shelr play http://shelr.tv/records/4d1f7c3890820d6144000002.json Publish your shellcast: $ shelr push 1293702847 $ shelr push last # will push most recent local record Setup recording backend: $ shelr backend script $ shelr backend ttyrec BUGS
Windows heh. COPYRIGHT
(C) 2010, 2011, 2012 Antono Vasiljev self@antono.info Licensed under GPLv3+ SEE ALSO
script(1), scriptreplay(1), ttyrec(1), ttyplay(1) April 2012 SHELR(1)
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