Sed/scripts - Revision history

Christoph: /* Miscellaneous */

2019-08-21T22:47:20Z

‎Miscellaneous

2019-08-06T19:54:36Z

‎Miscellaneous

2017-05-16T20:15:27Z

‎Miscellaneous

2016-04-20T20:22:29Z

‎Selective deletion of certain lines

2016-04-19T00:31:41Z

‎Selective printing of certain lines

2016-03-19T19:11:58Z

‎Selective deletion of certain lines

2015-12-05T21:53:30Z

2015-11-26T00:11:20Z

‎Miscellaneous

2015-08-15T21:21:27Z

2015-06-19T19:11:43Z

‎Miscellaneous

@@ Line 475: / Line 475: @@
    sed -e 's/"\(.*\)",".*","\$\(.*\)"/echo $(date -d "\1" "+%Y-%m-%d") \2/e'
 -07-18 67.92
 </pre>

@@ Line 407: / Line 407: @@
 Then, issue this command:
   for i in $(seq 1 5 10);\
-    do sed -n `echo "$i,$(echo -e "$i+4" |bc -q)"`'p' foo |\
+    do sed -n $(echo "$i,$(echo -e "$i+4"|bc -q)")'p' foo |\
        sed -e :a -e '$b;N;s/\n//;ba';\
   done
@@ Line 463: / Line 463: @@
 * Increment number in a given line matching the regex:
   $ sed -i -r 's/^(security.provider.)([0-9]+)=(.*)/echo "\1\$((\2+1))=\3"/ge' java.security
 == Comments ==

@@ Line 460: / Line 460: @@
 * Parse output of ping for packet loss value:
   $ ping -c 5 -W 0.2 -q www.google.com | sed -rn "/packet loss/ s|.*([0-9]+)%.*|\1|p"
 == Comments ==

@@ Line 283: / Line 283: @@
   #~OR~
   sed 's/<[^>]\+>//g'
 == Date formats ==

@@ Line 215: / Line 215: @@
 * print section of file between two regular expressions (inclusive)
   sed -n '/Iowa/,/Montana/p'             # case sensitive
 == Selective deletion of certain lines ==

@@ Line 276: / Line 276: @@
 * delete (strip) all HTML tags (not the line, just the tag; e.g. <nowiki><p></p></nowiki>):<ref name=champ>Christoph Champ's additions</ref>
   sed -e 's#<[^>]*>##g'
-  #Or,
+  #~OR~
   sed -e '{{Regex/Replace|<[^>]*>||g}}'
 == Date formats ==

← Older revision	Revision as of 21:53, 5 December 2015
(No difference)

@@ Line 447: / Line 447: @@
   done
 There are obviously much easier ways to do the above. This is just an example to show the power of Bash.
 == Comments ==

@@ Line 489: / Line 489: @@
   sed -n '45,50p' filename           # print line nos. 45-50 of a file
   sed -n '51q;45,50p' filename       # same, but executes much faster
 == Credits ==

@@ Line 435: / Line 435: @@
   # results-2014-10-11.json -> results-2014-10-10.json
   for f in *.json; do\
-    mv "$f" "$(echo $f|sed -e 's|\(.*closed-\)\(.*\).json|echo $(date -d "\2-1day" +"%F")XXX\1|e' -e 's/\(.*\)XXX\(.*\)/\2\1.json/')"
+    mv "$f" "$(echo $f|sed -e 's|\(results-\)\(.*\).json|echo $(date -d "\2-1day" +"%F")XXX\1|e' -e 's/\(.*\)XXX\(.*\)/\2\1.json/')"
   done
 == Comments ==