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I need to compare two directories with tab separated files. I'm using diff to do this. diff output doesn't identify which column values are different, it just tells which lines are different. Is...

files are being matched using only first column instead of first two columns, so when there are multiple records with same column1 value (which is record id) but different column2(which transaction...

Here is my situation. I need to compare two tab separated files (diff is not useful since there could be known difference between files).

I have found similar posts , but not fully matching.I was...

Lets see if these help:

input file data:

ABC00010008000 BBU N S XYZABC N N

Manupulation required:
1.Add 10 spaces begining of position 19.
2.Add character 0 and two spaces (i.e. "0 ")...

small version of test.txt file:

ABC00010008000 BBU N S XYZABC N N

I need to add 10 black spaces starting position 10 and number 3 + two black spaces staring position 22.

help pls!!!

I need to manipulate an existing file, test.txt. The length of record inside test.txt is 500 with multiple columns. I need to find out the position 145 and insert 10 blank spaces. The test.txt...