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Top Forums Shell Programming and Scripting Command line arguments for addition Post 302692879 by surendran on Tuesday 28th of August 2012 07:45:37 AM
Old 08-28-2012
Command line arguments for addition

Please try the code below:
Code:
 
add=0
for i in $*
do
add=`expr $i + $add`
done
echo "sum is : $add"
 
sh a 12 32 14 25
sum is : 83

Moderator's Comments:
Mod Comment Please view this code tag video for how to use code tags when posting code and data.

Last edited by vbe; 08-28-2012 at 08:56 AM..
This User Gave Thanks to surendran For This Post:
 

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pfstag(1)						      General Commands Manual							 pfstag(1)

NAME
pfstag - Set or remove tags to/from pfs stream SYNOPSIS
pfstag [--set [channel:]name=value] [--remove [channel:]name] DESCRIPTION
Use this command to set or remove tags from the pfs-stream. Tags are used to add additional information to pfs frames and they are in the format: 'name=value'. To learn more about tags, read 'Specification of the PFS File Format'. Tags are set/removed to/from all pfs frames in the stream. Note that currently only OpenEXR file format supports tags. OPTIONS
--set [channel:]name=value], -s [channel:]name=value], --add [channel:]name=value] Change existing or add a new tag of the given name. If no channel is given, tags are added to the frame. --remove [channel:]name], -r [channel:]name] Remove tag of the given name. Ignore if the tag does not exist. If no channel is given, tags are removed from the frame. EXAMPLES
pfsin memorial.hdr | pfstag --add "EXTRA_INFO=foo" | pfsout memorial_ei.exr Add tag "EXTRA_INFO=foo" to the memorial image and save it as memorial_ei.exr. SEE ALSO
pfsin(1) pfsout(1) BUGS
Please report bugs and comments to Rafal Mantiuk <mantiuk@mpi-sb.mpg.de>. pfstag(1)
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