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From: | 21naown |
Subject: | bug#32704: Can grep search for a line feed and a null character at the same time? |
Date: | Sat, 15 Sep 2018 18:43:44 +0200 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
Thank you for your messages.It is possible I did not understand correctly your messages, because grep finds hex sequences with the “-Pa” options at least.
Examples—“input.txt” contains, from the file system, for example “\xFF\xFE\x0D\x00\x0A\x00\x74\x00\x65\x00\x73\x00\x74\x00\x0D\x00\x0A\x00\x74\x00\x65\x00\x73\x00\x74\x00\x5F\x00\x74\x00\x77\x00\x6F\x00\x0D\x00\x0A\x00”:
grep -Pa '\x00' input.txt → found grep -Pza '\x0A' input.txt → found grep -Pa '\x0A\x00' input.txt grep -Pza '\x0A\x00' input.txt → not found for the both But is it at least possible to find “\x0A\x00” with grep?
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