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From: | John Ankarström |
Subject: | Re: utmac -muh error on Ubuntu |
Date: | Wed, 7 Jul 2021 00:23:49 +0200 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
Den 2021-07-07 kl. 00:09 skrev John Ankarström: > In any case, the POSIX-compatible equivalent is > > echo .ds head-str `printf %s "$str" | tail -c1` Ah! There is a simpler solution: echo .ds head-str ${str#"${str%?}"} Now that's elegant... and POSIX-compatible. Note the necessary quotation marks around ${str%?} (in case $str contains glob characters).
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