Comment on Ask HN: Portable Shell Scripting resources?Comments−SwellJoe17yThe most concise and useful resource I found was from when Ubuntu moved to dash for /bin/sh:https://wiki.ubuntu.com/DashAsBinShIt covered pretty much every issue I had in a relatively large shell script (about 3200 lines including library code).−xenoterracideOP17yI've been looking at that. It's the best thing I've found so far, but I don't have a good general shell reference to start with.
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The most concise and useful resource I found was from when Ubuntu moved to dash for /bin/sh:
https://wiki.ubuntu.com/DashAsBinSh
It covered pretty much every issue I had in a relatively large shell script (about 3200 lines including library code).
I've been looking at that. It's the best thing I've found so far, but I don't have a good general shell reference to start with.