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Top Forums Shell Programming and Scripting Removing "Hidden Characters" on a file Post 302533204 by itkamaraj on Thursday 23rd of June 2011 03:46:48 AM
Old 06-23-2011
just try this.

This will remove all the special characters except the keyboard characters
Code:
perl -i -pe 's/[^\x20-\x7f]//g' examplefile

---------- Post updated at 01:16 PM ---------- Previous update was at 01:07 PM ----------

Is the file generated by perl script ?

did u use chomp method for each variable to remove the new line character ?
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GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME
grub-render-label - generate a .disk_label for Apple Macs. SYNOPSIS
grub-render-label [OPTION...] [OPTIONS] DESCRIPTION
Render Apple .disk_label. -b, --bgcolor=COLOR use COLOR for background -c, --color=COLOR use COLOR for text -f, --font=FILE use FILE as font (PF2). -i, --input=FILE read text from FILE. -o, --output=FILE set output filename. Default is STDOUT -t, --text=STRING set the label to render -v, --verbose print verbose messages. -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. REPORTING BUGS
Report bugs to <bug-grub@gnu.org>. SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly installed at your site, the command info grub-render-label should give you access to the complete manual. grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)
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