git - How to clear the result of a command? -


so, imagine result of cmd: git l | tail -n 1 | awk '{print $3}’ hash 709bc16

when run cmd:

git show --pretty="format:" --name-only $(git l | tail -n 1 | awk '{print $3}’)

i error

fatal: ambiguous argument '709bc16': unknown revision or path not in working tree. use '--' separate paths revisions, this: 'git <command> [<revision>...] -- [<file>…]’

when try directly git show --pretty="format:" 709bc16

then cmd executed successfully.

i don't know ask. believe format of result of cmd: $(git l | tail -n 1 | awk '{print $3}’)

based on diagnosis in comments of invisible characters surrounding revision shortname, git l command alias of "porcelain" (ui) git command, not "plumbing" (shell script) command.

porcelain commands more user-friendly on command line, using color, indentation, , ascii art display repository. however, exact output isn't specified, , subject change , evolution across versions. plumbing commands low-level commands exactly-specified plaintext outputs designed cases shell scripting.

you may want scan git man page relevant plumbing commands git rev-list.


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