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Top Forums Shell Programming and Scripting sed searches a character string for a specified delimiter character, and returns a leading or traili Post 302989128 by fspalero on Monday 9th of January 2017 12:55:53 AM
Old 01-09-2017
sed searches a character string for a specified delimiter character, and returns a leading or traili

Hi,

Anyone can help using SED searches a character string for a specified delimiter character, and returns a leading or trailing space/blank.

Text file :
Code:
  "1"|"ExternalClassDEA519CF5"|"Art1"
  "2"|"ExternalClass563EA516C"|"Art3"
  "3"|"ExternalClass305ED16B8"|"Art9"
  ...
  ...

Output file :
Code:
  "1"|" "|"Art1"
  "2"|" "|"Art3"
  "3"|" "|"Art9"
  ...
  ...

Thanks in advance.

Regards,
FSPalero

Moderator's Comments:
Mod Comment The last time you got one of these infractions, the note:
Quote:
Repeated refusal to use CODE tags when presenting sample input, sample output, and code segments has resulted in this user being placed in read-only mode for a while.

Continued refusal to properly format posts may result in a permanent ban from this site.To keep the forums high quality for all users, please take the time to format your posts correctly.
was included in your post when tags were added for you. And you still refuse to make any attempt to format your posts. Smilie This is your last warning, the next post from you that includes untagged sample input, sample output, or code segments will result in you being permanently banned from this site.

Last edited by Don Cragun; 01-09-2017 at 03:29 AM..
 

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REGEXP(6)							   Games Manual 							 REGEXP(6)

NAME
regexp - regular expression notation DESCRIPTION
A regular expression specifies a set of strings of characters. A member of this set of strings is said to be matched by the regular expression. In many applications a delimiter character, commonly bounds a regular expression. In the following specification for regular expressions the word `character' means any character (rune) but newline. The syntax for a regular expression e0 is e3: literal | charclass | '.' | '^' | '$' | '(' e0 ')' e2: e3 | e2 REP REP: '*' | '+' | '?' e1: e2 | e1 e2 e0: e1 | e0 '|' e1 A literal is any non-metacharacter, or a metacharacter (one of .*+?[]()|^$), or the delimiter preceded by A charclass is a nonempty string s bracketed [s] (or [^s]); it matches any character in (or not in) s. A negated character class never matches newline. A substring a-b, with a and b in ascending order, stands for the inclusive range of characters between a and b. In s, the metacharacters an initial and the regular expression delimiter must be preceded by a other metacharacters have no special meaning and may appear unescaped. A matches any character. A matches the beginning of a line; matches the end of the line. The REP operators match zero or more (*), one or more (+), zero or one (?), instances respectively of the preceding regular expression e2. A concatenated regular expression, e1e2, matches a match to e1 followed by a match to e2. An alternative regular expression, e0|e1, matches either a match to e0 or a match to e1. A match to any part of a regular expression extends as far as possible without preventing a match to the remainder of the regular expres- sion. SEE ALSO
awk(1), ed(1), sam(1), sed(1), regexp(2) REGEXP(6)
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