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Masking Bank Account Number except last 4 digits in the file

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Top Forums Shell Programming and Scripting Masking Bank Account Number except last 4 digits in the file
# 8  
Old 09-12-2018
Hello MadeinGermany,

How to pass the below file to your script and then updated with masking value in 11th column in the file?

File Name: Sample.txt
Code:
560|101012|4267||||||||520114025017|Balance_bank|06/30/2018||||151716.41|AUD
448|101034|3148||||||||232041005|Balance_bank|06/30/2018||||991.23|AUD
270|101034|2770||||||||121339005|Balance_bank|06/30/2018||||594217.11|AUD
P59|101017|1765||||||||177-000072-011|Balance_bank|06/30/2018||||0.00|CNY

Thank you
Last edited by vgersh99; 09-12-2018 at 10:48 AM.. Reason: Code tags, please!
# 9  
Old 09-12-2018
Code:
echo '560|101012|4267||||||||520114025017|Balance_bank|06/30/2018||||151716.41|AUD' | awk -F'|' 'BEGIN{m="XXXXXXXXXXXXX"} {l=length($11);$11=substr(m,1,l-4) substr($11,l-3)}1' OFS='|'

# 10  
Old 09-12-2018
My script in post#7 reads from stdin.
You must redirect it from the input file:
Code:
bash /path/to/script < Sample.txt

Additionally redirect the stdout to a new file:
Code:
bash /path/to/script < Sample.txt > Newfile.txt

If the x-bit is set on /path/to/script you can run it directly, it will take the interpreter from its #! shebang
Code:
/path/to/script < Sample.txt > Newfile.txt

# 11  
Old 09-12-2018
Hi Vgerh99,

It works perfect. How to copy these results into the same file?


Code:
awk -F'|' 'BEGIN{m="XXXXXXXXXXXXX"} {l=length($11);$11=substr(m,1,l-4) substr($11,l-3)}1' OFS='|' NOAD_BK_BAL_MULTI_CURR_*

thanks,
Pradeep
Last edited by vgersh99; 09-12-2018 at 11:28 AM..
# 12  
Old 09-12-2018
Quote:
Originally Posted by Pradeep R
Hi Vgerh99,

It works perfect. How to copy these results into the same file?


Code:
awk -F'|' 'BEGIN{m="XXXXXXXXXXXXX"} {l=length($11);$11=substr(m,1,l-4) substr($11,l-3)}1' OFS='|' NOAD_BK_BAL_MULTI_CURR_*

thanks,
Pradeep
Firstly, please start using code tags as outlined in the Forum's rules.

awk doesn't have the inline editing capabilities. You'll have wrap awk within a shell script, saving the output of awk to a temp file and then MVing the temp file to the original (when satisfied with the results).
E.g.
Code:
awk -F'|' 'BEGIN{m="XXXXXXXXXXXXX"} {l=length($11);$11=substr(m,1,l-4) substr($11,l-3)}1' OFS='|' myFile >|/tmp/myTempFile
mv /tmp/myTempFile myFile

Last edited by vgersh99; 09-12-2018 at 12:25 PM.. Reason: sample code
# 13  
Old 09-12-2018
Hi,
For fun, another bash script:
Code:
while IFS=\| read -a ARR
do
  [[ ${#ARR[10]} -gt 4 ]] && { 
    XX="${ARR[10]::((${#ARR[10]}-4))}"
    YY="${ARR[10]:((${#ARR[10]}-4)):4}"
    ARR[10]="${XX//?/X}$YY"
  }
  printf "%s" "${ARR[0]}"
  unset ARR[0]
  printf "|%s" "${ARR[@]}"
  printf "\n"
done </tmp/sample.txt

Regards.
# 14  
Old 09-12-2018
Thank you so much guys. It's really helped me.
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