Insert character at specific location in a each line of the file
Hi All,
I am trying to write a shell script where it should insert character 'I' in 180th position of each line(except first and last line) of the file. Below is the script
Code:
for file in /home/test/bharat/*.RET
do
# Process file
echo "File Name=" $file
#l_fileName="${file##*/}"
l_fileName=`basename ${file}`_P
mv $file $l_fileName
echo "New File Name= " $l_fileName
#Remove special chracters from the file
sed 's/[!@#\$%^&*()]//g' $l_fileName>$file
mv -f $l_fileName /home/test/bharat/archive
#Loop throguh all the lines in the file and insert I in 180 position
COUNT=0
while read -r line; do
COUNT=$(( $COUNT + 1 ))
echo "line " $line
echo "Inside the file line count: " $COUNT
sed 's/./I/180' $line
done < $file
done
Somehow sed 's/./I/180' $line is not working properly. Please help to achieve this. and also i need to do this starting line 2 and should exclude last line.
Please help.
Thanks
Bharat
Moderator's Comments:
Please use CODE tags, as required by forum rules, when displaying sample input, sample output, and code segments.
Last edited by Don Cragun; 10-06-2016 at 10:37 PM..
Reason: Add CODE and ICODE tags.
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Discussion started by: siamak
4 Replies
LEARN ABOUT X11R4
shuf
SHUF(1) User Commands SHUF(1)NAME
shuf - generate random permutations
SYNOPSIS
shuf [OPTION]... [FILE]
shuf -e [OPTION]... [ARG]...
shuf -i LO-HI [OPTION]...
DESCRIPTION
Write a random permutation of the input lines to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-e, --echo
treat each ARG as an input line
-i, --input-range=LO-HI
treat each number LO through HI as an input line
-n, --head-count=COUNT
output at most COUNT lines
-o, --output=FILE
write result to FILE instead of standard output
--random-source=FILE
get random bytes from FILE
-r, --repeat
output lines can be repeated
-z, --zero-terminated
line delimiter is NUL, not newline
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Paul Eggert.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report shuf translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 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
Full documentation at: <http://www.gnu.org/software/coreutils/shuf>
or available locally via: info '(coreutils) shuf invocation'
GNU coreutils 8.28 January 2018 SHUF(1)
10-06-2016
Insert character at specific location in a each line of the file
