| 1 | # Demonstrations for users. Could go in docs.
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| 2 |
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| 3 | #### Iterate over command sub output with split()
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| 4 | shopt -s ysh:upgrade
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| 5 |
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| 6 | output=$(echo '1 one'; echo '2 two')
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| 7 |
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| 8 | for x in @[split(output)]; do
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| 9 | write -- $x
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| 10 | done
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| 11 |
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| 12 | echo ___
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| 13 |
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| 14 | # Now change IFS. split() is affected.
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| 15 | IFS=$'\n'
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| 16 | for x in @[split(output)]; do
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| 17 | write -- $x
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| 18 | done
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| 19 |
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| 20 | ## STDOUT:
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| 21 | 1
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| 22 | one
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| 23 | 2
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| 24 | two
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| 25 | ___
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| 26 | 1 one
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| 27 | 2 two
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| 28 | ## END
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| 29 |
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| 30 | #### split with explicit IFS argument
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| 31 | shopt -s ysh:upgrade
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| 32 |
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| 33 | # demonstrate that -- is not special to 'write'
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| 34 | output=$(echo '1 one'; echo --; echo '2 two')
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| 35 |
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| 36 | # TODO: accept named arg IFS=
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| 37 | for x in @[split(output, $'\n')]; do
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| 38 | write -- $x
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| 39 | done
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| 40 |
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| 41 | ## STDOUT:
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| 42 | 1 one
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| 43 | --
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| 44 | 2 two
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| 45 | ## END
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| 46 |
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| 47 | #### split on \0 delimiters
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| 48 | shopt -s ysh:upgrade
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| 49 |
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| 50 | write --end '' -- b'1 one\y002 two\y00' | read --all (&output)
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| 51 |
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| 52 | #json8 write (split(output, b'\y00'))
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| 53 |
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| 54 | for x in @[split(output, b'\y00')]; do
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| 55 | write -- $x
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| 56 | done
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| 57 |
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| 58 | ## STDOUT:
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| 59 | 1 one
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| 60 | 2 two
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| 61 | ## END
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