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21 lines
793 B
Markdown
21 lines
793 B
Markdown
# xargs
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> Execute a command with piped arguments coming from another command, a file, etc.
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> The input is treated as a single block of text and split into separate arguments on spaces, tabs, newlines and end-of-file.
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- Main usage pattern:
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`{{arguments_source}} | xargs {{command}}`
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- Delete all files with a `.backup` extension:
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`{{find . -name '*.backup'}} | xargs {{rm -v}}`
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- Convert newlines in the input into NUL (`\0`) characters, and split on those only (useful if the input to xargs contains spaces):
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`{{arguments_source}} | tr '\n' '\0' | xargs -0 {{command}}`
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- Execute the command once for each input line, replacing any occurrences of the placeholder (here marked as `_`) with the input line:
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`{{arguments_source}} | xargs -I _ {{command}} _ {{optional_extra_arguments}}`
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