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| From: | Denys Vlasenko |
| Subject: | Re: gensub() treats trailing backslash in replacement string inconsistently / surprisingly |
| Date: | Sat, 3 Jun 2023 20:21:13 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 |
On 6/3/23 19:52, Wolfgang Laun wrote:
There is a general problem with backslashes in the gensub replacement string.
$ awk 'BEGIN { s="b\\b\\";g=gensub("a",s,1,"a");print g; }' | od -tx1
0000000 62 62 00 0a
Yes, this is exactly the behavior I described. If the string ends with a trailing backslash, the NUL will be inserted.
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