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List Ruby gems, that are not a dependency of any other gem (analog of `brew leaves`)
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| #!/bin/sh | |
| # List Ruby gems, that are not a dependency of any other gem (analog of `brew leaves`) | |
| # https://gist.github.com/astyagun/290b783045afffb8190a0c75ab76d0fa | |
| GEMS_FILE=`mktemp` | |
| DEPENDENCIES_FILE=`mktemp` | |
| gem list -l | sed 's/ (.*//' | sort > $GEMS_FILE | |
| cat $GEMS_FILE | xargs -n1 gem dependency -l --pipe | sed 's/ --version.*//' | sort -u > $DEPENDENCIES_FILE | |
| comm -23 $GEMS_FILE $DEPENDENCIES_FILE | |
| rm -f $GEMS_FILE $DEPENDENCIES_FILE |
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