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Shell Programming and Scripting

How to pass special character as parameter?

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# 1  
Old 06-03-2010
How to pass special character as parameter?
I need to pass congruent or comma character as parameter. i have tried congruent and it prints home directory. is escape char required. And also in awk i have to pass the no to print a column. e.g awk '{print $Param}'
# 2  
Old 06-03-2010
Code:
somecmd  \'  '.,$;|'   "\\ , \$ "

awk -v param="$Param" '{ print param }'

# 3  
Old 06-04-2010
awk -v a="~" -v b="5" 'BEGIN{OFS=FS=a}{$b="test"}{print}' filename


im trying like this problem is when passing ~ im getting error.

how do i pass this character and execute the awk script.
# 4  
Old 06-04-2010
Try with single quotes. '~'
# 5  
Old 06-04-2010
cahr= "$1"



+ cahr=
+ '~'
temp.sh: line 11: ~: command not found

when running this is the error im getting
# 6  
Old 06-04-2010
This message is not coming from awk but from your script shell. Could you post the script that you are trying to run?
# 7  
Old 06-04-2010
#!/bin/sh

cahr="$1"
col1=$2

awk -v a="$cahr" -v b=$col1 'BEGIN{OFS=FS=a}{$b="test"}{print}' filename

this is the script im executing.
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