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Top Forums Shell Programming and Scripting Lines with strange characters and sed... Post 302253252 by joeyg on Friday 31st of October 2008 09:17:04 AM
Old 10-31-2008
Hammer & Screwdriver There are some special character classes

Sometimes hard to test a file with strange characters without the file, but consider the following:

You may have seen where you can
Code:
echo "hello" | tr [:lower:] [:upper:]
HELLO

but there are others
[:alnum:] for printable characters
[:cntrl:] for control characters

Perhaps using one of the above might allow you to strip off the bad, or only carry forward the good characters.
 

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SHAR(1) 						    BSD General Commands Manual 						   SHAR(1)

NAME
shar -- create a shell archive of files SYNOPSIS
shar file ... DESCRIPTION
shar writes an sh(1) shell script to the standard output which will recreate the file hierarchy specified by the command line operands. Directories will be recreated and must be specified before the files they contain (the find(1) utility does this correctly). shar is normally used for distributing files by ftp(1) or mail(1). SEE ALSO
compress(1), mail(1), uuencode(1), tar(1) BUGS
shar makes no provisions for special types of files or files containing magic characters. EXAMPLES
To create a shell archive of the program ls(1) and mail it to Rick: cd ls shar `find . -print` | mail -s "ls source" rick To recreate the program directory: mkdir ls cd ls ... <delete header lines and examine mailed archive> ... sh archive HISTORY
The shar command appears in 4.4BSD. SECURITY CONSIDERATIONS
It is easy to insert trojan horses into shar files. It is strongly recommended that all shell archive files be examined before running them through sh(1). Archives produced using this implementation of shar may be easily examined with the command: egrep -v '^[X#]' shar.file 4.4BSD June 6, 1993 4.4BSD
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