linux:shellcommands
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| linux:shellcommands [2018/05/05 12:44] – [sed] admin | linux:shellcommands [2018/05/05 13:00] – [sed] admin | ||
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| Line 361: | Line 361: | ||
| * original = a regular expression describing the word to replace (or just the word itself) | * original = a regular expression describing the word to replace (or just the word itself) | ||
| * new = the text to replace it with | * new = the text to replace it with | ||
| - | *g = global (i.e. replace all and not just the first occurrence) | + | * g = global (i.e. replace all and not just the first occurrence) |
| Below are some basic examples for searching and replaccing string< | Below are some basic examples for searching and replaccing string< | ||
| cat intro | cat intro | ||
| Line 371: | Line 371: | ||
| </ | </ | ||
| The UNIX operating system. Unix system</ | The UNIX operating system. Unix system</ | ||
| - | * <code bash>sed --in-place ' | + | * Substitute Unix with UNIX in file intro: |
| - | * <code bash>sed ' | + | sed --in-place ' |
| + | </ | ||
| + | * Substitute Unix with UNIX< | ||
| + | sed ' | ||
| + | </ | ||
| * example with -n option< | * example with -n option< | ||
| sed -n ' | sed -n ' | ||
| - | * <code bash>sed -n '/ | + | * Just print lines containing UNIX: <code bash> |
| + | sed -n '/ | ||
| + | </ | ||
| * example Deleting Lines< | * example Deleting Lines< | ||
| sed ' | sed ' | ||
| </ | </ | ||
| - | * <code bash>sed '/ | + | * Delete all lines containing UNIX:<code bash> |
| + | sed '/ | ||
| + | </ | ||
| + | * Delete all characters before string< | ||
| + | sed ' | ||
| + | </ | ||
| ==== awk ==== | ==== awk ==== | ||
| # cat server | # cat server | ||
linux/shellcommands.txt · Last modified: 2022/10/29 16:15 by 127.0.0.1