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Top Forums Shell Programming and Scripting Get file extension with multiple dots Post 302603946 by ctsgnb on Friday 2nd of March 2012 10:57:14 AM
Old 03-02-2012
Code:
MYFILE="one.dat.002"
t=${MYFILE#*.}
echo "${t%%.*}"

 

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DIFF3(1)							   User Commands							  DIFF3(1)

NAME
diff3 - compare three files line by line SYNOPSIS
diff3 [OPTION]... MYFILE OLDFILE YOURFILE DESCRIPTION
Compare three files line by line. -e --ed Output unmerged changes from OLDFILE to YOURFILE into MYFILE. -E --show-overlap Output unmerged changes, bracketing conflicts. -A --show-all Output all changes, bracketing conflicts. -x --overlap-only Output overlapping changes. -X Output overlapping changes, bracketing them. -3 --easy-only Output unmerged nonoverlapping changes. -m --merge Output merged file instead of ed script (default -A). -L LABEL --label=LABEL Use LABEL instead of file name. -i Append `w' and `q' commands to ed scripts. -a --text Treat all files as text. --strip-trailing-cr Strip trailing carriage return on input. -T --initial-tab Make tabs line up by prepending a tab. --diff-program=PROGRAM Use PROGRAM to compare files. -v --version Output version info. --help Output this help. If a FILE is `-', read standard input. Exit status is 0 if successful, 1 if conflicts, 2 if trouble. AUTHOR
Written by Randy Smith. REPORTING BUGS
Report bugs to: bug-diffutils@gnu.org GNU diffutils home page: <http://www.gnu.org/software/diffutils/> General help using GNU software: <http://www.gnu.org/gethelp/> COPYRIGHT
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for diff3 is maintained as a Texinfo manual. If the info and diff3 programs are properly installed at your site, the command info diff should give you access to the complete manual. diffutils 2.9.19-4065 April 2010 DIFF3(1)
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