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tr abc 123 < file1 > file2
# 32 JMJS    11.4.11 16:07

tr [-c] [-d] [-s] [string1] [string2]

-c Complement the set of characters specified by string1.
-d Delete all occurrences of input characters that are specified by string1.
-s Replace instances of repeated characters with a single character.
string1 First string or character to be changed.
string2 Second string or character to change the string1.

Examples

tr -s '[a-z][A-Z]' '[A-Z][a-z]' <input_file >output_file

echo "12345678 9247" | tr 123456789 computerh
:this example takes an echo response of '12345678 9247' and pipes it through the tr replacing the appropriate numbers with the letters. In this example it would return computer hope.

tr -cd '\11\12\40-\176' < myfile1 > myfile2
:this example would take the file myfile1 and strip all non printable characters and take that results to myfile2.

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112  dirname JMJS 23.3.20 6
111  zip a.zip -r ./a JMJS 23.2.1 19
110  ffmpeg AlwaysMovie JMJS 22.12.6 39
109  7za a abc.zip abc -> tar -c -z -f abc.zip abc JMJS 22.11.30 39
108  convert mogrify JMJS 23.2.1 123
107  [sh]array JMJS 19.8.14 177
106  arithmetic in a makefile, shell pwd export JMJS 17.9.8 4230
105  Split and merge large files JMJS 16.3.21 822
104  [Makefile]random JMJS 14.12.5 1218
100  À©µµ¿ì7 ¿ë·®ºÎÁ· winsxs Æú´õ ÃÖÀûÈ­ JMJS 14.10.14 2146
99  [sh,csh]while loop JMJS 13.2.6 2192
98  hostname, hostid, /sbin/ifconfig eth0 JMJS 13.1.4 4197
97  [linux]fedora 16 gome-shell extension JMJS 12.3.12 1878
96  [linux]fedora 16 grub boot order change JMJS 12.3.10 2120
95  [linux]fedora Input Method,ibus,hangul JMJS 12.3.8 1809
94  [linux]audio,mp3,mplayer,gstreamer,vlc JMJS 12.3.7 2532
93  [sh].wrapper example JMJS 11.6.15 2122
92  [make]for loop JMJS 11.9.8 1814
91  [make]conditional expression JMJS 11.5.12 1701
90  [make]shell ½ÇÇà JMJS 11.3.9 1832
89  [wish]jplot JMJS 10.5.12 1486
88  yum JMJS 09.8.12 1511
87  [CYGWIN]X setupÇϱâ JMJS 10.8.6 2843
86  [Make]Makefile Brief JMJS 10.8.6 1536
85  ldd /user/bin/xterm JMJS 09.4.24 1222
84  [HTML]¾îµµºñ SVG ºä¾î¿Í HTML JMJS 09.4.24 1796
83  [DOS]DOS command JMJS 09.7.20 1480
82  [DOS]DOS command brief JMJS 07.2.21 1951
81  À¥ÆäÀÌÁö ¼Ò½ºº¸±â JMJS 09.4.24 1478
80  [html]ÀÚµ¿À¸·Î ±ÛÀÚ»ö ¹Ù²ñ JMJS 07.1.10 1431
79  [html]º¹»ç, µå·¡±× ±ÝÁö JMJS 07.1.10 1919
78  [csh]cshell¿¡¼­ function ¸ø¾´´Ù³×¿ä JMJS 11.3.17 1482
77  ¸®´ª½º¿¡¼­ i386,i586,i686, x86ÀÇ Â÷ÀÌÁ¡ JMJS 06.10.16 1729
76  [CSH]$status JMJS 06.8.21 1194
75  [sh]substr, read, until,IFS,for,dirname JMJS 14.12.19 1396
74  [sh]rgbview.sh . hello.sh JMJS 10.11.30 1305
73  automount - /etc/fstab JMJS 06.2.23 1335
72  lmutil.csh JMJS 05.11.8 1661
71  È­ÀÏÀ̸§¿¡ ¸ø¿À´Â ¹®ÀÚ JMJS 05.9.8 1449
70  /usr/ucb /usr/ccs JMJS 05.9.5 1318
69  Solaris Version JMJS 05.9.5 1537
68  /usr/ccs/bin/nm -x debpli.so JMJS 05.8.31 1810
67  tar, gzip, zcat, uncompress, mn(.a ÆÄÀϺ¸±â) JMJS 13.1.6 1656
66  find . -name -print -exec perl JMJS 09.4.17 1610
65  pkgadd -d packagefile JMJS 05.5.9 1366
64  prstat JMJS 08.10.2 1603
63  vi ¸í·É¾î, vim¸í·É¾î gvim JMJS 22.11.1 4747
62  multiple directory ¿¡¼­ grep ? JMJS 04.5.31 1768
61  [csh].cshrc_axis JMJS 04.5.14 1645
60  [csh].cshrc_modelsim JMJS 04.5.14 1759
59  [csh].cshrc_cadence JMJS 04.5.14 1795
58  [csh].cshrc_novas JMJS 04.5.14 1681
57  [csh].cshrc_verisity JMJS 04.5.14 2051
56  lmgrd JMJS 09.6.22 2387
55  [csh]which case JMJS 04.5.14 1648
54  [bash]example 2 JMJS 04.5.12 1889
53  [bash]example 1 JMJS 04.5.12 1754
52  fedora 12¿¡¼­ touchpad disable JMJS 11.1.17 1834
51  [Perl]Çѱ¹¾î ÀÎÄÚµù JMJS 04.1.16 2641
50  [Perl]HTML¿¡¼­ ±âÈ£ Ç¥½Ã¸¦ À§ÇÑ ¹®ÀÚġȯ JMJS 04.1.5 10780
49  [csh]make awk JMJS 03.6.6 2035
48  [csh]wordsplit JMJS 03.6.6 1674
47  [csh]vi2 JMJS 03.6.6 1516
46  [csh]cat.csh JMJS 03.6.6 1575
45  [csh]chgword.csh JMJS 03.6.6 1521
44  [bash]password JMJS 11.3.9 1430
43  [Tcl]bi2int JMJS 02.11.29 1424
42  [PC]ask °Ë»öâÀÌ ÀÚ²Ù ¶á´Ù¸é JMJS 09.4.24 1945
41  [csh]backup_copyc.csh; foreach; continue JMJS 09.4.24 1600
40  uname, uname -s -r, uname -p, uname -a JMJS 09.4.24 1803
39  [tk]»õ â ¿­°í ´Ý±â ¿¹Á¦ JMJS 09.4.24 11397
38  [sh]if [[ "$abc" == "abc" && "$bbc" == "bbc" ]]; ... JMJS 11.3.17 1538
37  [expect]expect_scp.exp JMJS 11.3.9 1597
36  ssh -x -l soc lion scp -r ... JMJS 11.3.9 1388
35  TclTk ¹è¿­ JMJS 09.7.20 1483
34  ./configure make make install JMJS 11.1.13 1402
33  [csh]diff JMJS 10.7.14 1468
32  tr abc 123 < file1 > file2 JMJS 11.4.11 1411
31  Installing RPMforge JMJS 10.2.8 1500
30  [ű×]±ÛÀÚ»öÀÌ »ç¶óÁü JMJS 09.4.24 1559
29  [ű×]ÀÚµ¿À¸·Î ±ÛÀÚ»öÀÌ º¯ÇÔ JMJS 09.4.24 1542
28  ±ÛÀÚÅÂ±× ¸ðÀ½ JMJS 09.4.24 1692
27  »ö»ó¸í°ú RGB°ª Ç¥ JMJS 09.4.24 1705
26  RGB »ö»óÇ¥ JMJS 09.4.24 1860
25  ÇÑ±ÛÆ¯¼ö¹®ÀÚÇ¥ JMJS 09.4.24 1773
24  bc -l JMJS 01.5.22 1454
23  file *,  od -xc *, cat * JMJS 01.3.28 1762
22  Linux Memo JMJS 09.7.20 1606
21  xterm -fn 10x20 & JMJS 12.3.7 1451
20  W/S Tip JMJS 09.4.29 1531
19  [awk]example JMJS 10.10.30 1766
18  [csh].cshrc JMJS 11.6.21 2212
17  stop & background job JMJS 00.11.14 1396
16  W/S shout down JMJS 00.11.14 1405
15  [sed]example JMJS 16.9.5 1782
14  [DOS]Memo JMJS 00.10.29 1522
13  [csh]¸®½ºÆ®¸¦ ¸¸µé¾î foreach·Î ó¸®ÇÒ¶§ JMJS 00.10.7 5233
12  [Tcl]Tool Command Language JMJS 09.7.24 2908
11  [csh]vi.csh JMJS 00.6.27 1524
10  [csh]Check Process JMJS 00.6.27 1448
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