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I get this error: "sh: 1: echo: echo: I/O error" from a script but then it works

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I have an .sh file that has the following commands: #!/bin/bash for i in 1 2 3 4 do echo "\npwm$i running:" sh -c "echo $i > /sys/class/pwm/pwmchip0/export" echo...

#sudo #scripts #commandline

13h ago