无夜2020 2021-09-18 22:20 往事难追忆凤飞飞 词：白峰 莫为春梦空陶醉 春梦一去难追回
I have a string like sample.txt.pgp and I want to return sample.txt in a shell script (but, the string length will vary, so, basically all of the characters before the \".pgp\").Is there a substr func
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