Visit Our UNIX and Linux User Community

Top Forums Shell Programming and Scripting Perl RegExp to remove last character from strings Post 302181389 by ospreyeagle on Wednesday 2nd of April 2008 10:44:26 PM
Old 04-02-2008
Perl RegExp to remove last character from strings

I use SAS (a statistical software) and have to remove last character or the last 1/2 numbers that appear after characters from the string using Perl Regular Expression (which is recognized by SAS).

Input: f183ii10 f183ii2 f182ii1 f182ii2 f183iim f22ii f22ii11 f22ii12 pmh4 pmhm

Desired Output:f183ii f183ii f182ii1 f182ii2 f183ii f22ii f22ii f22ii pmh pmh


Thanks for your assistance,

OsE
 
Test Your Knowledge in Computers #60
Difficulty: Easy
BCD stands for 'Binary Coded Decimal'.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

tcl: regexp matching special character

Hello Experts, Can someone help me here: I have a variable which contains a string with "". set var1 {a} set str1 {a is the element i want to match} Now "regexp $var1 $str1" does not work? ("regexp {a\} $str1" works, but var1 gets it's value automatically from another script) Is... (6 Replies)
Discussion started by: sumitgarg
6 Replies

2. Shell Programming and Scripting

Remove parenthesis character (Perl)

Hello, i'm unable to remove the parenthesis character. With $parsed_AsciiName =~ s/\(//; the string is the same And with $parsed_AsciiName =~ s/(//; i retrieve "Unmatched ( in regex; marked by <-- HERE in m/( <-- HERE" Any ideas, please? thank you in advanced. (4 Replies)
Discussion started by: aristegui
4 Replies

3. Shell Programming and Scripting

Perl use split and remove specific character

i want to split the input by a space and remove specific characters like full stop, comma...... etc. and then save each word in an array. i got something below, but it didn't work. can anyone please help me? Thank you #!/usr/bin/perl -w while (<>) { $line = <>; @word = split(' ',... (6 Replies)
Discussion started by: mingming88
6 Replies

4. Shell Programming and Scripting

rename - change n'th character of regexp

Hi, I wonder if its possible to do the following task using rename (perl v5.8.8). I want to find filenames matching the specific pattern and then change chosen character of this pattern to a given character, e.g. do the following renaming: regexp: 'ab' -----> 'a0b' What's the simplest... (0 Replies)
Discussion started by: pms
0 Replies

5. UNIX for Dummies Questions & Answers

Doubt with regexp-meta character

Hi, I am learning reg exp a bit :) Meta char info: {n,m} Matches the preceding character at least n times but not more than m times, for example, 'ba{2,3}b' will find 'baab' and 'baaab' but NOT 'bab' or 'baaaab'. Values are enclosed in braces (curly brackets). Input file: 112 11112... (2 Replies)
Discussion started by: dragon.1431
2 Replies

6. Shell Programming and Scripting

any savant ? using AWK/SED to remove newline character between two strings : conditional removal

I'd like to remove (do a pattern or precise replacement - this I can handle in SED using Regex ) ---AFTER THE 1ST Occurrence ( i.e. on the 2nd occurrence - from the 2nd to fourth occurance ) of a specific string : type 1 -- After the 1st occurrence of 1 string1 till the 1st occurrence of... (4 Replies)
Discussion started by: sieger007
4 Replies

7. Shell Programming and Scripting

perl cmd to remove the control-Z character at end of 10GB file

In a 10-50GB file , at end of file there is Control-z character tried the below options, 1. perl -p -i -e 's/^Z//g' new.txt 2. perl -0777lwi -032e0 new.txt and Sed command, dos2unix etc it takes more time to remove the control-z. need a command or perl program to GO TO LAST LINE OF FILE ... (7 Replies)
Discussion started by: prsam
7 Replies

8. Shell Programming and Scripting

Regexp for string that might contain a given character

I'm probably just not thinking of the correct term to search for :-) But I want to match a pattern that might be 'ABC' or '1ABC' there might be three characters, or there might be four, but if there are four, the first has to be 1 (1 Reply)
Discussion started by: jnojr
1 Replies

9. Shell Programming and Scripting

Filter non-alpha character with grep/regexp

Hi all, I am trying to filter out those lines that contain a "non-alpha" character. An example of my input is the following: zygnematales grb zygocactus grb zygocactus_truncatus plt zygodactyl_foot prt zygoma prt zygomatic prt zygomatic_arch prt zygomatic_bone ... (2 Replies)
Discussion started by: owwow14
2 Replies

10. Shell Programming and Scripting

How to remove certain character strings with awk?

Hi all, I need to remove DBPATH= and /db from the string below using awk (or sed, as it also exists on the machine). Input: DBPATH=/some/path/database/db Desired output: /some/path/database Thank you! (8 Replies)
Discussion started by: ejianu
8 Replies
SMP_REP_PHY_EVENT_LIST(8)					     SMP_UTILS						 SMP_REP_PHY_EVENT_LIST(8)

NAME
smp_rep_phy_event_list - invoke REPORT PHY EVENT LIST SMP function SYNOPSIS
smp_rep_phy_event_list [--help] [--hex] [--index=IN] [--interface=PARAMS] [--raw] [--sa=SAS_ADDR] [--verbose] [--version] [--zero] SMP_DEVICE[,N] DESCRIPTION
Sends a SAS Management Protocol (SMP) REPORT PHY EVENT LIST function request to a SMP target. The SMP target is identified by the SMP_DEVICE and the SAS_ADDR. Depending on the interface, the SAS_ADDR may be deduced from the SMP_DEVICE. The mpt interface uses SMP_DEVICE to identify a HBA (an SMP initiator) and needs the additional ,N to differentiate between HBAs if there are multiple present. OPTIONS
Mandatory arguments to long options are mandatory for short options as well. -h, --help output the usage message then exit. -H, --hex output the response (less the CRC field) in hexadecimal. -i, --index=IN starting phy event list descriptor index. ID is a value between 1 and 65535. Default is 1. -I, --interface=PARAMS interface specific parameters. In this case "interface" refers to the path through the operating system to the SMP initiator. See the smp_utils man page for more information. -r, --raw send the response (less the CRC field) to stdout in binary. All error messages are sent to stderr. -s, --sa=SAS_ADDR specifies the SAS address of the SMP target device. Typically this is an expander. This option may not be needed if the SMP_DEVICE has the target's SAS address within it. The SAS_ADDR is in decimal but most SAS addresses are shown in hexadecimal. To give a number in hexadecimal either prefix it with '0x' or put a trailing 'h' on it. -v, --verbose increase the verbosity of the output. Can be used multiple times -V, --version print the version string and then exit. NOTES
Similar information is maintained for SAS SSP target phys (e.g. on a SAS disk). It can be obtained from the Protocol Specific Port log page with the sg_logs utility. Similar information may be obtained for SAS initiator phys (e.g. on a SAS HBA). As an example in Linux 2.6.28 error information can be found in this directory /sys/class/sas_phy/phy-4:0 (for the phy 0 in SCSI/SAS host 4). Similar information may be obtained for SATA device phys (e.g. on a SATA disk). If there is a SAT layer between OS and the SATA device then the sg_sat_phy_event utility can fetch the information. CONFORMING TO
The SMP REPORT PHY EVENT LIST function was introduced in SAS-2 . AUTHORS
Written by Douglas Gilbert. REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>. COPYRIGHT
Copyright (C) 2011 Douglas Gilbert This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR- POSE. SEE ALSO
smp_utils, smp_phy_control, smp_rep_phy_event(smp_utils) sg_logs, sg_sat_phy_event(sg3_utils) smp_utils-0.96 May 2011 SMP_REP_PHY_EVENT_LIST(8)

Featured Tech Videos

All times are GMT -4. The time now is 01:16 PM.
Unix & Linux Forums Content Copyright 1993-2021. All Rights Reserved.
Privacy Policy