Cheatography
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Quick Example Commands From Manual
Example CommandsCompress all *.html files in parallel | parallel gzip --best ::: *.html
| Convert (via lame) all *.wav files to *.mp3 | parallel lame {} -o {.}.mp3 ::: *.wav
| Delete pict{0..9999}.jpg files in parallel | seq -w 0 9999 | parallel rm pict{}.jpg # Runs rm 10,000 Times
seq -w 0 9999 | parallel -X rm pict{}.jpg # Runs rm minimal times
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| | Command Synopsisparallel [options] [command [arguments]] < list_of_arguments
parallel [options] [command [arguments]] ( ::: arguments | :::: argfile(s) ) ...
parallel --semaphore [options] command
#!/usr/bin/parallel --shebang [options] [command [arguments]] |
Input Lines{}
| Unaltered input line (foo/bar.jpg) | {.}
| Remove extension: foo/bar | {/}
| Basename: bar.jpg | {//}
| Dirname: foo/ | {/.}
| Basename w/o ext: bar | {#}
| Sequence Number of Job | {%}
| Job Slot Number | {n}
| Argument from input source n or the n'th argument. | {n.}
| Combo of {n} and{.}. | {n/}, {n//}, {n/.}
| Other Combo's Available | {=perl expression=}
| $_ with = {}, $_ is output after eval. |
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www.clintpriest.com
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