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Forum: Shell Programming and Scripting 09-01-2019

Match text to lines in a file, iterate backwards until text or text substring matches, print to file

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Match text to lines in a file, iterate backwards until text or text substring matches, print to file

hi all,

trying this using shell/bash with sed/awk/grep

I have two files, one containing one column, the other containing multiple columns (comma delimited).

file1.txt
abc12345
def12345...

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