Merge pull request #854 from tldr-pages/sed-tweaks

sed tweaks
waldyrious/alt-syntax
Felix Yan 2016-04-21 23:00:53 -05:00
commit 5841b530e7
2 changed files with 13 additions and 9 deletions

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@ -6,22 +6,22 @@
`sed 's/{{find}}/{{replace}}/' {{filename}}`
- Replace only on lines matching the line pattern:
- Replace all occurrences of an extended regular expression in a file:
`sed '/{{line_pattern}}/s/{{find}}/{{replace}}/'`
`sed -r 's/{{regex}}/{{replace}}/g' {{filename}}`
- Replace all occurrences of a string in a file, overwriting the file (i.e. in-place):
`sed -i 's/{{find}}/{{replace}}/g' {{filename}}`
- Replace all occurrences of an extended regular expression in a file:
- Replace only on lines matching the line pattern:
`sed -r 's/{{regex}}/{{replace}}/g' {{filename}}`
`sed '/{{line_pattern}}/s/{{find}}/{{replace}}/'`
- Apply multiple find-replace expressions to a file:
`sed -e 's/{{find}}/{{replace}}/' -e 's/{{find}}/{{replace}}/' {{filename}}`
- Replace separator / by any other character not used in your string, e.g., #:
- Replace separator / by any other character not used in the find or replace patterns, e.g., #:
`sed 's#{{find}}#{{replace}}#' {{filename}}`

View File

@ -6,18 +6,22 @@
`sed 's/{{find}}/{{replace}}/' {{filename}}`
- Replace only on lines matching the line pattern:
- Replace all occurrences of an extended regular expression in a file:
`sed '/{{line_pattern}}/s/{{find}}/{{replace}}/'`
`sed -E 's/{{regex}}/{{replace}}/g' {{filename}}`
- Replace all occurrences of a string in a file, overwriting the file (i.e. in-place):
`sed -i '' 's/{{find}}/{{replace}}/g' {{filename}}`
- Replace all occurrences of an extended regular expression in a file:
- Replace only on lines matching the line pattern:
`sed -E 's/{{regex}}/{{replace}}/g' {{filename}}`
`sed '/{{line_pattern}}/s/{{find}}/{{replace}}/'`
- Apply multiple find-replace expressions to a file:
`sed -e 's/{{find}}/{{replace}}/' -e 's/{{find}}/{{replace}}/' {{filename}}`
- Replace separator / by any other character not used in the find or replace patterns, e.g., #:
`sed 's#{{find}}#{{replace}}#' {{filename}}`