Apart from the advice already proffered elsewhere on this thread, I'm intrigued as to how you can ...mv to /bin and then expect the script to run by entering ./bl filename without first cd(1)'ing to /bin aka having just moved the script from your current working directory, you expect to still be able to invoke the script in there &91;your current working directory&93;

Moreover, the 2 scripts, called by the shell script, are no longer in the same directory as the shell script - hence it should come as no surprise that the shell script can no longer find them, so assuming all 3 scripts were previously in your home directory, I would modify the shell script (now /bin/bl) to read...

#!/bin/sh
filename=$HOME/$1
firstscript $filename
secondscript $filename
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