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Full Discussion: Alphabetical help.
Homework and Emergencies Homework & Coursework Questions Alphabetical help. Post 302548792 by yazu on Friday 19th of August 2011 09:46:52 AM
Old 08-19-2011
No. Because of the absence of the priority of boolean operators in shell. You should use some kind of parenthesis:
Code:
for letter in A _ B o D 0 Z  ; do
  if [[ "$letter" < Z  || "$letter" == Z ]] && [[ "$letter" > A || "$letter" == A ]]; then
    echo "$letter" is in A..Z
  else
    echo "$letter" is not in A..Z
  fi
done

Ha! It doesn't work. Some kind of bash quirks - "o" is in A..Z. (and in ksh but not in zsh).
Ok. You can use
Code:
for letter in A _ B o D 0 Z  ; do                                            
  if echo {A..Z} | egrep -q " ?$letter ?"; then
    echo "$letter" is in A..Z
  else
    echo "$letter" is not in A..Z
  fi
done

Last edited by yazu; 08-19-2011 at 11:01 AM..
 

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LEARN ABOUT DEBIAN

xclip-copyfile

XCLIP-COPYFILE(1)					      General Commands Manual						 XCLIP-COPYFILE(1)

NAME

       xclip-copyfile, xclip-cutfile, xclip-pastefile - copy and move files via the X clipboard

SYNOPSIS

       xclip-copyfile [-p] FILES...

       xclip-cutfile [-p] FILES...

       xclip-pastefile

DESCRIPTION

       xclip-copyfile copies files into the X clipboard, recursing into directories.

       xclip-cutfile copies the files, but also deletes them afterwards.

       -p     preserve path formation

       xclip-pastefile pastes the files out of the clipboard

EXAMPLES

       Copying a file to a remote host

       [maggie.lkpg.cendio.se ~]$ echo "A file created on ${HOSTNAME}" > file1
       [maggie.lkpg.cendio.se ~]$ xclip-copyfile file1
       [sofie.homeip.net ~/doc]$ xclip-pastefile
       file1
       [sofie.homeip.net ~/doc]$ cat file1
       A file created on maggie.lkpg.cendio.se

       Copying an entire tree structure

       [sofie.homeip.net ~]$ xclip-copyfile doc
       [maggie.lkpg.cendio.se ~/tmp]$ xclip-pastefile
       doc/
       doc/letter-mom-april.txt
       doc/file1
       doc/letter-dad-march.txt

       Copying files with preserved path information

       [maggie.lkpg.cendio.se ~]$ xclip-copyfile -p /etc/sysconfig/grub
       tar: Removing leading `/' from member names
       [sofie.homeip.net ~/tmp]$ xclip-pastefile
       etc/sysconfig/grub
       [sofie.homeip.net ~/tmp]$ ls etc/sysconfig/grub
       etc/sysconfig/grub

       Moving files

       [sofie.homeip.net ~]$ ls letter-brother-may.txt
       letter-brother-may.txt
       [sofie.homeip.net ~]$ xclip-cutfile letter-brother-may.txt
       [sofie.homeip.net ~]$ ls letter-brother-may.txt
       ls: cannot access letter-brother-may.txt: No such file or directory
       [sofie.homeip.net ~]$ cd doc
       [sofie.homeip.net ~/doc]$ xclip-pastefile
       letter-brother-may.txt

AUTHORS

       This  manual  page  was written by Maximilian Gass <mxey@cloudconnected.org> for the Debian project. It may be used for everything else, of
       course.

																 XCLIP-COPYFILE(1)
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