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sed, a stream editor

4.4 Print bash Environment

This script strips the definition of the shell functions from the output of the set Bourne-shell command.

#!/bin/sh set | sed -n ' :x # if no occurrence of "=()" print and load next line # if no occurrence of `=()' print and load next line /=()/! { p; b; } / () $/! { p; b; } # possible start of functions section # save the line in case this is a var like FOO="() " h # if the next line has a brace, we quit because # nothing comes after functions n /^{/ q # print the old line x; p # work on the new line now x; bx '